Sixth Army Group  

Go Back   Sixth Army Group > Discussion Areas > Armor, Mech and Weapons Division

Armor, Mech and Weapons Division Showcase of 1:6 Armor, Vehicles and Weapons Projects

Reply
 
Thread Tools Display Modes
Old 07-12-2015, 03:45 AM   #1
tankfan0720
Mortarman
 
tankfan0720's Avatar
 
Join Date: Feb 2011
Location: Pacific NW, USA
Posts: 329


Sherman (Dragon) M4A3

Hello all, I enjoy this site and all the fantastic projects. I wanted to post some pix of my latest project. The Dragon M4A3. This is a fun kit. It has a lot of things not quite correct, but being plastic it is easy to modify and has really endless potential for detailing and improvement. I wanted to improve the detail but not make a museum quality model. It is not quite finished but hope to this summer. Photos are not in any particular build order. More to follow. Hope you enjoy...
Thanks for looking...Bob

Functional spring antenna:


Front wood storage rack:


Track pad wear:


Rotor shield cast marks:



Idler axles (aluminum):


Exterior rotor shield cast marks:


Idler bearing assembly:


Idler tension shaft:


Front sprocket shaft (Al) and ball bearing:


Hull cast marks:


Drivers and hull MG gunner hatch details, periscope, guard etc:


Modified function suspension arm, with ECA wheel:


General steel castings foundry mark:


Commanders hatch detail, periscope:


Brass lamp guards:


Suspension Bogey with ECA wheel inserts:


Fully functional suspension bogeys:


Loaders hatch inside detail:


Left lamp and siren guards (brass):


Hull Mg and right lamp guard:


Tools, painted:


Rear engine deck:


Faux idler support bracket:


Sprocket fill (rear sprocket - milliput):


Suspension springs:


Tools, before painting:


Engine bay doors:


Brass periscope guards:

Last edited by tankfan0720; 07-12-2015 at 04:13 AM. Reason: add pix
tankfan0720 is offline   Reply With Quote
Old 07-12-2015, 05:27 AM   #2
geppetto2
Platoon Leader
 
Join Date: Jun 2005
Location: AZ or Hell
Posts: 573
Re: Sherman (Dragon) M4A3

Good work on all of the upgrades that you have done. Look forward to seeing this big beast when it is completed. The Dragon Sherman is such a wonderful kit, it's a damn shame that they aren't doing more vehicles. Keep posting those photos.

Jeff (Geppetto)
geppetto2 is offline   Reply With Quote
Old 07-12-2015, 08:01 AM   #3
Pzer 2
Sniper
 
Pzer 2's Avatar
 
Join Date: Aug 2014
Posts: 172
Images: 3
Re: Sherman (Dragon) M4A3

WOW - this will be a nice build. I may still get a Sherman but I will have to do some massive research on now they are built. Your detailing on the tanks tracks look good, I especially like the wear and batted look to the rubber treads. I will keep an eye on your build The fun part will be adding the massive welds around the hull and turret parts.

Cheers
Pzer 2 is offline   Reply With Quote
Old 07-12-2015, 01:59 PM   #4
pangaloss
Moderator
 
pangaloss's Avatar
 
Join Date: Jun 2005
Location: Toronto Ontario, Canada
Posts: 2,605


Re: Sherman (Dragon) M4A3

It's looking great. This one is going to be a beauty.
__________________
It's never too late to have a happy childhood.
pangaloss is offline   Reply With Quote
Old 07-12-2015, 02:50 PM   #5
Hammer's Africaners
First Sergeant
 
Join Date: Feb 2006
Location: In the middle of New Mexico
Posts: 2,415


Re: Sherman (Dragon) M4A3

She's looking really good.
__________________
Got to love those Africaners
Hammer's Africaners is offline   Reply With Quote
Old 07-12-2015, 03:37 PM   #6
Squidley
Company Commander
 
Squidley's Avatar
 
Join Date: Jun 2005
Location: Ridgefield CT
Posts: 996
Images: 30


Re: Sherman (Dragon) M4A3

Nice details! Looks really good. Look forward to seeing the completed beast.
__________________
The empires of the future are the empires of the mind. WSC
Squidley is offline   Reply With Quote
Old 07-12-2015, 11:42 PM   #7
ROB48
Platoon Leader
 
Join Date: Jul 2007
Location: Osceola, Iowa
Posts: 501


Re: Sherman (Dragon) M4A3

Looking good. Love the details.
ROB48 is offline   Reply With Quote
Old 07-13-2015, 12:26 PM   #8
Reef12
Battalion Commander
 
Reef12's Avatar
 
Join Date: Apr 2009
Location: Oklahoma USA
Posts: 1,978


Re: Sherman (Dragon) M4A3

Nice work indeed.
Keep after that bad boy.
John makes the searchlight deal, and what spring did you use on the wheels if I might ask?

Jeff
Reef12 is offline   Reply With Quote
Old 07-17-2015, 04:56 PM   #9
tankfan0720
Mortarman
 
tankfan0720's Avatar
 
Join Date: Feb 2011
Location: Pacific NW, USA
Posts: 329


Re: Sherman (Dragon) M4A3

Thanks for all the nice comments guys. I'm hoping to have some finished pix soon.


Jeff the suspension spring is McMaster Carr part 9657K121. Its 1/2" OD x 2.00 long x .047" wire dia, About $5 for a pack of 12. Spring rate is about 6.3lbs. Two required per bogey.


Bob
tankfan0720 is offline   Reply With Quote
Old 07-18-2015, 11:20 AM   #10
Reef12
Battalion Commander
 
Reef12's Avatar
 
Join Date: Apr 2009
Location: Oklahoma USA
Posts: 1,978


Re: Sherman (Dragon) M4A3

Quote:
Originally Posted by tankfan0720 View Post
Thanks for all the nice comments guys. I'm hoping to have some finished pix soon.


Jeff the suspension spring is McMaster Carr part 9657K121. Its 1/2" OD x 2.00 long x .047" wire dia, About $5 for a pack of 12. Spring rate is about 6.3lbs. Two required per bogey.


Bob
Thank you Bob , put away in favorites, when I get to that thing.

Jeff
Reef12 is offline   Reply With Quote
Old 07-25-2015, 07:30 PM   #11
tankfan0720
Mortarman
 
tankfan0720's Avatar
 
Join Date: Feb 2011
Location: Pacific NW, USA
Posts: 329


Re: Sherman (Dragon) M4A3

Hi SAG fellows,
Thanks for all the nice comments. Here are some more pix of added details. This project is finally nearing completion. Hope to get some outside shots soon.

Head lamp lenses added:


Commanders vane sight from brass:


Commanders periscope gaurd and MG barrel support in brass:


Turret Hatch details after initial Olive Drab paint:


Turret rear details after paint:


Turret front details:


Overall view:

Last edited by tankfan0720; 07-25-2015 at 07:35 PM. Reason: add pictures
tankfan0720 is offline   Reply With Quote
Old 09-08-2015, 05:03 AM   #12
tankfan0720
Mortarman
 
tankfan0720's Avatar
 
Join Date: Feb 2011
Location: Pacific NW, USA
Posts: 329


Re: Sherman (Dragon) M4A3

Hello All, Hope everyone had a great Labor Day weekend. I got a little weathering done on the Dragon Sherman and it looks better - toned down the "show room fresh". Got some out door shots since the weather was nice. Hope you enjoy - even though it is another...<ho-hum>...Sherman! The ECA wheel inserts and bogey wheels are a great addition to this kit. Still more to do...stay tuned....






















This last one shows the functional suspension working. The stump is 3" high.

tankfan0720 is offline   Reply With Quote
Old 04-13-2018, 08:00 PM   #13
tankfan0720
Mortarman
 
tankfan0720's Avatar
 
Join Date: Feb 2011
Location: Pacific NW, USA
Posts: 329


Re: Sherman (Dragon) M4A3

With the re-issue of the DML kit I thought I would post some images of my "finished" M4A3 75mm. I just recently added the S/N, engine deck star, and bumper code numbers. This unit fought in Normandy with 3rd Armd Div.

Also posting some older images because "Foto-bucket" puked on posting them.

This is a fun kit, the track links are the weakest link. They can be modified easily (with a lot of work) to be much more robust. Perhaps I will post some images of that later....

I hope we'll see some more build threads of this kit in the future.

Bumper codes and vehicle S/N:




Finished pictures from 2015:







Fully articulated suspension:

Last edited by tankfan0720; 04-13-2018 at 08:03 PM. Reason: add image
tankfan0720 is offline   Reply With Quote
Old 04-13-2018, 11:47 PM   #14
Hammer's Africaners
First Sergeant
 
Join Date: Feb 2006
Location: In the middle of New Mexico
Posts: 2,415


Re: Sherman (Dragon) M4A3

She's looking mighty fine
__________________
Got to love those Africaners
Hammer's Africaners is offline   Reply With Quote
Old 04-15-2018, 12:44 AM   #15
Panzercommander HOH
Battalion Commander
 
Panzercommander HOH's Avatar
 
Join Date: Apr 2009
Location: SW Ohio
Posts: 1,869


Re: Sherman (Dragon) M4A3

Quote:
Originally Posted by tankfan0720 View Post
I hope we'll see some more build threads of this kit in the future.
You and me both, tankfan!

Your Sherman looks fantastic! Thanks for reposting the photos!

Great job!



Fred
__________________
Sixth Scale Collectors Club - Cincinnati, Ohio

The SSCC on Facebook
Panzercommander HOH is offline   Reply With Quote
Old 11-02-2018, 04:04 AM   #16
tankfan0720
Mortarman
 
tankfan0720's Avatar
 
Join Date: Feb 2011
Location: Pacific NW, USA
Posts: 329


Re: Sherman (Dragon) M4A3

Hi all,
Been a while with no update. I've decided to RC this model using the new Spyker upgrade parts. So here goes.


Already modified the suspension with Ryans excellent kit. Will post some photos later of that.


New front tranny housing using Spyker parts. The "texture" is simply epoxy, smoothed with a piece of credit card to add texture. The black was a test of a different type of epoxy.




Casting marks using plastic letters:




After painting & adding ID numbers:




Casting numbers painted:




Inside of tranny, showing Spyker bellt transmission. The front tranny will not be glued but bolted using small screw and washer just like the real tank.




Drilling out the end connectors. The fixtures included with the kit are excellent and work well.




Lastly assembling the tracks. The delrin links are super strong - way better than stock tracks. The track fit is perfect on the sprocket but it will not fit on the stock sprocket without the modification parts.







I have the hull finished. Will hopefully have it running soon. Lots of track links to assemble first!
Till nexc time....
B
tankfan0720 is offline   Reply With Quote
Old 11-02-2018, 08:55 PM   #17
Tigertiki
Mortarman
 
Tigertiki's Avatar
 
Join Date: Jan 2011
Location: Alesd, Transylvania, Romania
Posts: 300
Re: Sherman (Dragon) M4A3

Well, really cool. I am about to start again hehe.
Cheers
Attila
Tigertiki is offline   Reply With Quote
Old 11-04-2018, 03:32 PM   #18
Panzercommander HOH
Battalion Commander
 
Panzercommander HOH's Avatar
 
Join Date: Apr 2009
Location: SW Ohio
Posts: 1,869


Re: Sherman (Dragon) M4A3

Awesome stuff, tankfan!

Especially loved the third photo down in your last post.

Fred
__________________
Sixth Scale Collectors Club - Cincinnati, Ohio

The SSCC on Facebook
Panzercommander HOH is offline   Reply With Quote
Old 11-06-2018, 04:46 AM   #19
tankfan0720
Mortarman
 
tankfan0720's Avatar
 
Join Date: Feb 2011
Location: Pacific NW, USA
Posts: 329


Re: Sherman (Dragon) M4A3

Hi SAG,
Thanks for looking in Atilla and Fred! The epoxy texture was amazingly simple to do.


Posting a quick update while in the middle of the mundane track assembly work. One downside of the Dragon sprocket are that the teeth on the back side are hollow. I machined a filler piece from styrene using the CNC.

Filler pieces fresh off machine:


Fitted to Sprocket for fit check:


Did a painting and weathering test on a small section of the Spyker track. I think it came out pretty good. I'm using black RTV the "glue" the two track pad halves together to keep out water. Probably overkill.





Thanks for looking. Till next time..

Sure would be nice if we had that go to end of thread feature back...
B

Last edited by tankfan0720; 11-06-2018 at 04:50 AM.
tankfan0720 is offline   Reply With Quote
Old 11-06-2018, 02:57 PM   #20
Old MSgt
Rifleman
 
Join Date: Oct 2012
Posts: 1
Re: Sherman (Dragon) M4A3

WOW! You're doing an EXCELLENT job detailing and installing the rc upgrades!

I REALLY LIKE the brass commander's sight vane and folding MG bracket! Where can I get some of those for my Sherman?

Mike in Kentucky
Old MSgt is offline   Reply With Quote
Old 11-10-2018, 05:41 PM   #21
tankfan0720
Mortarman
 
tankfan0720's Avatar
 
Join Date: Feb 2011
Location: Pacific NW, USA
Posts: 329


Re: Sherman (Dragon) M4A3

Mike thank you for compliment. Unfortunately the brass details are handmade. I have not made any spin cast molds to duplicate them.


Quick update. Work progressing. Still working on tracks. A few detail shots for the weekend.


Lower hull:



With upper hull resting in place:



Spyker tranny fitted.



Underside of hull. Front tranny piece is bolted on vs glued.



Spyker track (unweathered) vs stock track



Rear view (still need to add spare track racks)



Upper deck (star needs a coat of dust!)



Fuel spillage:



Bogeys:



Next time - tracks on!
B
tankfan0720 is offline   Reply With Quote
Old 11-12-2018, 01:49 AM   #22
Reef12
Battalion Commander
 
Reef12's Avatar
 
Join Date: Apr 2009
Location: Oklahoma USA
Posts: 1,978


Re: Sherman (Dragon) M4A3

Looking good , boy I bet that is heavy.

Cheers

Jeff
Reef12 is offline   Reply With Quote
Old 11-12-2018, 04:30 PM   #23
Tigertiki
Mortarman
 
Tigertiki's Avatar
 
Join Date: Jan 2011
Location: Alesd, Transylvania, Romania
Posts: 300
Re: Sherman (Dragon) M4A3

Loving it, it made me to look for one more sherman kit..Maybe

Attila
Tigertiki is offline   Reply With Quote
Old 11-22-2018, 07:52 PM   #24
tankfan0720
Mortarman
 
tankfan0720's Avatar
 
Join Date: Feb 2011
Location: Pacific NW, USA
Posts: 329


Re: Sherman (Dragon) M4A3

Hi SAG Happy Thanksgiving for everyone in USA. Greetings to all worldwide.


Jeff it is getting a bit heavy - about 45lbs with 2X batteries. But still super light compared to metal tanks!


TigerTiki - Good to hear from you. This is a fun model to build and a nice break from metal.


Here is a quick update. Got the hull running but not without some issues. The first issue was I think the new Sabertooth 2x25 I just got is defective. I could not get it to work. I substituted a Sabertooth 2x60 from another project and it worked perfectly. The second problem was the tracks are too slack. I need to remove a link. It ran ok on wooden deck but no so good in grass. But that is not a defect in the model or Spyker equipment - it all works great.


Some images: Hull with Spyker tracks on.




Initial test set up, with Sabertooth 2X25 ESC. Could not get it to work



Second test set up with Sabertooth 2X60. Worked great!



Front view. Weathered tracks look great, but paint will not last long. Delrin sheds the paint like Teflon.



Side view.



Overhead:



Some video links. Turret rotation is not set up. Gun is a bit rubbery. Videos are a little "ho hum".

Hull without turret

https://youtu.be/4yPQk4zlPv0

Hull with turret #1

https://youtu.be/6-eyQwu5xQ4

Hull with turret #2

https://youtu.be/PD4amEyxXlE

Next time, tighter tracks and hopefully working 2x25ESC.
B
tankfan0720 is offline   Reply With Quote
Old 11-22-2018, 08:29 PM   #25
Tigertiki
Mortarman
 
Tigertiki's Avatar
 
Join Date: Jan 2011
Location: Alesd, Transylvania, Romania
Posts: 300
Re: Sherman (Dragon) M4A3

Sweet !

How about the turret movements, are you going to do it ?

Cheers.

Attila
Tigertiki is offline   Reply With Quote
Old 11-23-2018, 03:23 PM   #26
Panzercommander HOH
Battalion Commander
 
Panzercommander HOH's Avatar
 
Join Date: Apr 2009
Location: SW Ohio
Posts: 1,869


Re: Sherman (Dragon) M4A3

Awesome stuff, TankFan!

Great job on your Sherman!

Fred
__________________
Sixth Scale Collectors Club - Cincinnati, Ohio

The SSCC on Facebook
Panzercommander HOH is offline   Reply With Quote
Old 11-23-2018, 05:29 PM   #27
tankfan0720
Mortarman
 
tankfan0720's Avatar
 
Join Date: Feb 2011
Location: Pacific NW, USA
Posts: 329


Re: Sherman (Dragon) M4A3

Thanks Fred - glad you enjoy the post!


Tiki, yes I will make turret rotate - I bought Spyker kit which will use Servo for rotation. I want to add a lazy susan bearing so I can easily remove turret. I also will add recoil and gun elevation - by servos. Also want some kind of sound card.


Gotta get the tracks working well first however.


Thanks for looking in!
B
tankfan0720 is offline   Reply With Quote
Old 11-25-2018, 07:35 AM   #28
agjones883u
Rifleman
 
Join Date: Oct 2018
Posts: 2
Images: 1
Re: Sherman (Dragon) M4A3

Looking great, Iím following with interest as Iíve got one of these to build at sometime in the future.

Aljones34
agjones883u is offline   Reply With Quote
Old 11-26-2018, 01:52 AM   #29
tankfan0720
Mortarman
 
tankfan0720's Avatar
 
Join Date: Feb 2011
Location: Pacific NW, USA
Posts: 329


Re: Sherman (Dragon) M4A3

Aljones34 thanks for looking in.


Heres a small update. I was able to get the turret rotation bearing and servo connected and working. Also took one link out of the tracks which made a huge difference.


Turret bearing from above ~ 12" diameter metal lazy susan bearing



Turret bearing from below with Spyker gear added for rotation



Turret servo motor mount. Modifed Spyker bracket - raised up to account for turret bearing.



Some new video of turret rotation and tank movement after tracks tightened.


Turret movement by hand
https://youtu.be/mn2v5dUNVDI


Turret bearing movement by Servo motor
https://youtu.be/d25Y-N8NuOI


Drive tests
https://youtu.be/WCFH_dlV3E4
https://youtu.be/8CpaKu1HUr0


Thanks for looking. -Bob
tankfan0720 is offline   Reply With Quote
Old 11-26-2018, 12:04 PM   #30
Tigertiki
Mortarman
 
Tigertiki's Avatar
 
Join Date: Jan 2011
Location: Alesd, Transylvania, Romania
Posts: 300
Re: Sherman (Dragon) M4A3

Awesome ! Nice movement.

Cheers
Attila
Tigertiki is offline   Reply With Quote
Old 12-06-2018, 10:28 PM   #31
crusader1xxx
Rifleman
 
Join Date: Jun 2016
Posts: 1
Re: Sherman (Dragon) M4A3

Beautiful looking Sherman, but like all things there are two very glaring flaws ..one it the grouser covers. M4A3's did not use these, and the commanders hatch ring. The hatch itself and the hatch ring are about 1/8 scale. You should not be able to see the holes or bolts under the hatch ring. Both easy fixes...just get a new commanders hatch from ECA and sand off the grouser covers and your on your way to a more accurate model.

If you interested I have done a blog on the Sherman as well as a few other scratch builds...speaking to experts like John Grimma etc help as well.

http://crusaderarmouronline.blogspot...lE_zC8kGB3IBOA
crusader1xxx is offline   Reply With Quote
Old 12-08-2018, 05:05 PM   #32
tankfan0720
Mortarman
 
tankfan0720's Avatar
 
Join Date: Feb 2011
Location: Pacific NW, USA
Posts: 329


Re: Sherman (Dragon) M4A3

Crusader
Thanks for the input and link to your blog. I really like the detail you put into your build - esp the interior. Amazing work. Mine is RC, so don't have much use for the interior on mine. I agree the hatches could use more attention. I will look into this. I'm not sure what "Grouser covers" are however? Can you show me an example of what that is?


I also like your other scratch builds, esp the Bren carrier - excellent work! Thanks for sharing your blog. Lots of great builds there.


Attila thanks for looking - the turret rotation is nice with the bearing. I'm finally putting to use those nice rubber tires you made for me!

Best regards,
B

Last edited by tankfan0720; 12-08-2018 at 05:08 PM.
tankfan0720 is offline   Reply With Quote
Old 12-09-2018, 12:42 AM   #33
ThomasJW
Rifleman
 
ThomasJW's Avatar
 
Join Date: Sep 2018
Location: Novi, MI, US
Posts: 5
Re: Sherman (Dragon) M4A3

Grouser box covers are the oval/oblong plates at the top rear of the sponsons.
ThomasJW is offline   Reply With Quote
Old 12-09-2018, 05:43 PM   #34
tankfan0720
Mortarman
 
tankfan0720's Avatar
 
Join Date: Feb 2011
Location: Pacific NW, USA
Posts: 329


Re: Sherman (Dragon) M4A3

Ah I see now. The air intake cover plates - easy enough to fix <remove> those. I was thinking grouser = track links. Thanks, B
tankfan0720 is offline   Reply With Quote
Old 12-09-2018, 08:19 PM   #35
ThomasJW
Rifleman
 
ThomasJW's Avatar
 
Join Date: Sep 2018
Location: Novi, MI, US
Posts: 5
Re: Sherman (Dragon) M4A3

Early Shermans had a storage area next to the gas tanks where the track grousers were kept. There was either a plate that stood proud of the deck or one that was flush with the deck. Some Shermans had a forward facing screened air vent/intake. The later M4A3's, which the Dragon is supposed to be, didn't have anything there at all.
ThomasJW is offline   Reply With Quote
Old 12-09-2018, 11:18 PM   #36
BarryC
Rifleman
 
Join Date: Sep 2018
Posts: 3
Re: Sherman (Dragon) M4A3

Quote:
Originally Posted by tankfan0720 View Post
Aljones34 thanks for looking in.


Heres a small update. I was able to get the turret rotation bearing and servo connected and working. Also took one link out of the tracks which made a huge difference.


Turret bearing from above ~ 12" diameter metal lazy susan bearing



Turret bearing from below with Spyker gear added for rotation



Turret servo motor mount. Modifed Spyker bracket - raised up to account for turret bearing.



Some new video of turret rotation and tank movement after tracks tightened.


Turret movement by hand
https://youtu.be/mn2v5dUNVDI


Turret bearing movement by Servo motor
https://youtu.be/d25Y-N8NuOI


Drive tests
https://youtu.be/WCFH_dlV3E4
https://youtu.be/8CpaKu1HUr0


Thanks for looking. -Bob

Hi Bob,


Great build you have in works. I've been following along as I've been amassing all the goodies for my own effort. I have the latest release of the kit and all the RC conversions from Spyker and will be using a number of John's details.



I am very interested in your use of the "Lazy Susan" bearing plate. Would it be possible to get more details? Where did you obtain the bearing? What modifications were need to adapt it? ect............


TIA,
Barry
BarryC is offline   Reply With Quote
Old 12-10-2018, 03:03 AM   #37
tankfan0720
Mortarman
 
tankfan0720's Avatar
 
Join Date: Feb 2011
Location: Pacific NW, USA
Posts: 329


Re: Sherman (Dragon) M4A3

Hi Barry,
Thanks for checking in. The turret bearing is available here:
https://www.vxb.com/300mm-Lazy-Susan...p/kit11279.htm


You might find it cheaper on Amazon. But I like VXB - I buy a lot of project bearings from them.


The bearing is a good deal of work to fit to the hull, but the motion is very smooth and nice. The other feature it allows is easy removal of the turret. This is something I did not care for with Ryans design - the turret was not removable once the rotation gear is installed. But his design is very nice for simplicity. I didn't care for plastic on plastic bearing surface either - but it will not really hurt functionality.


To fit the bearing I did the following steps:


1) The hull opening must be enlarged. I used a dremel + round saw blade and sanding drums to do this. It takes a while but easy enough to do. You must remove enough material so that the inner race is free and clear of the hull opening. Be careful to not remove too much material that the outer bearing race cannot be supported. My hull opening is exactly where the inner and outer bearing race are split.


2) Mount the bearing to inside of the hull. I did this by Drill and 6-32 tap holes in the outer race. I used left over 6-32 BHCS from Spyker kit to mount the bearing to hull. The screws mount the outer race to the hull. There are holes already in the bearing - you just have to drill and tap them through.


3) Fit the Spyker gear ring to the bearing. I did this by drilling and tapping screws into the inner race of the bearing. The gear ring must be fairly concentric to the bearing to prevent the gear on servo from binding. The bearing and gear are close in size so this was easy by eye and with shims.


4) You can use the Spyker servo bracket to mount the rotation servo but it must be elevated the thickness of the bearing which is 9mm (~.375"). I did this with 3X ABS plastic 1/2" diameter posts.


5) I drilled holes through the inner race and installed 3X screws pointing vertically to secure turret with wing nuts. The screws are epoxied to the inner race. You only really need 2X screws to hold on turret, but I did 3 just because the holes are in the bearing already.


6) I made small plastic posts to lift the turret approx. 10mm (~.40") off the inner race - this is so the turret doesn't rub or drag on hull or screw heads. If you look at the pictures you will see the 6x small posts (black plastic).


7) Drill holes in turret to match vertical screw in bearing. I hold the turret on with wing nuts.


Connect servo wire to receiver. I had to add a lot of stick trim to get the servo to stop moving, but easy to do with trim button (Spectrum DX6e radio).


It sounds like a daunting task but its pretty easy. It is a good deal of cutting and fitting but a person with good modeling skills and some tools can do it. Most of the holes are already in the bearing for mounting they just need to be drilled out and tapped. The gear ring holes are the exception. But theres plenty of meat in the bearing to drill holes and not drill through the ball bearing track.


You can mount the servo bracket with epoxy or use other method of holding it to the hull. You could probably just epoxy the bearing (outer race only) to the hull if you like.


Hope that helps. Ping me here or at RCU if you have questions.


Show us your project as well. I enjoy seeing others builds.
Best regards, Bob

Last edited by tankfan0720; 12-10-2018 at 03:19 AM.
tankfan0720 is offline   Reply With Quote
Old 12-11-2018, 01:44 AM   #38
BarryC
Rifleman
 
Join Date: Sep 2018
Posts: 3
Re: Sherman (Dragon) M4A3

Hi Bob,


First I would like to thank you for taking your time to explain.


I have one of the bearings headed my way. Thanks for the link!!


I believed I follow your installation process and once I get the bearing it will become even clearer. If not I will surly drop you a line seeking additional guidance.


I will post my work once it actually gets underway. Currently I'm knee deep in a 1/16 RC MiA1HA Abrams with the TUSK 1 upgrade. I am posting over on RC Tank Warfare.
https://www.rctankwarfare.co.uk/foru...?f=201&t=18880



I retired from Gulfstream Aerospace 2 years ago and now model full time or at least when ever I want. I've been modeling for 55 +years and have been working on the Abrams since Jan 2016.


My goal is to build the most accurate model that will function as realistically as possible. I intend to do the same with the Sherman. I am really looking forward to working in the larger scale. I am going to build it as a late war USMC M4A2. I have a 1/6 3D printed A2 Engine Deck but I am going to scratch build one as the 3D is just too rough looking for my liking. I will be using a lot of ECA details as well as a lot of scratch built details. I'm really looking forward to getting started but have to finish the Abrams first.


Thanks again!
Barry
BarryC is offline   Reply With Quote
Old 12-11-2018, 03:16 AM   #39
tankfan0720
Mortarman
 
tankfan0720's Avatar
 
Join Date: Feb 2011
Location: Pacific NW, USA
Posts: 329


Re: Sherman (Dragon) M4A3

Barry
Glad to help. Looking forward to seeing your Sherman someday.


"I retired from Gulfstream Aerospace 2 years ago and now model full time or at least when ever I want. " - Wow congratulations, I would love to be able to build whenever I want. I might actually finish something.


I just checked out your M1 build - you are going crazy building a monumental museum piece! That brass turret bustle rack is just amazing! You should have no troubles making brass details for the Sherm. Great stuff. Thanks for the link!


till next time,
Bob
tankfan0720 is offline   Reply With Quote
Old 12-18-2018, 02:38 PM   #40
Reef12
Battalion Commander
 
Reef12's Avatar
 
Join Date: Apr 2009
Location: Oklahoma USA
Posts: 1,978


Re: Sherman (Dragon) M4A3

Holy crap , another fine build between you and panzermister ,no way to keep.

Reef12 is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
.308's DML M4A3 Sherman .308 Armor, Mech and Weapons Division 68 03-26-2017 10:12 PM
DML m4a3 105 Sherman Question siquisiri General Quarters 8 05-22-2014 05:21 AM
M4A3 Sherman DALE JORDAN Armor, Mech and Weapons Division 22 12-14-2008 07:24 AM
M4A3 Sherman DALE JORDAN Armor, Mech and Weapons Division 5 09-18-2007 03:40 PM
M4A3 SHERMAN Dubar1 Armor, Mech and Weapons Division 12 10-07-2005 11:43 PM


All times are GMT. The time now is 01:46 AM.


vBulletin
Copyright ©2000 - 2019, Jelsoft Enterprises Ltd.
©2005 - 2015 www.sixtharmygroup.com