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Looking for a chassis for a scale armored car... SdKfz-222 - 2/16/2013 11:39 AM   
Strato50



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From: Hamilton, ON, CANADA
Status: offline 		Hey guys!

I usually frequent the RC Tanks section but I suspect the 'crawler guys will be able to help me (& us!) out!

I'm interested in scratch building the body & upper bits of a SdKfz-222 WW2 armored car. The idea is that a ready to run 4WD chassis will be easiest to build off of...

So, if anyone knows of the best particular one to look into, that'd be awesome!

What we'd need is... 4WD, 4 wheel steering (preferably with a linkage or something that can be modified into 4 wheel steering), and rough dimensions of: 6-7 inch wheelbase & 4.5 inch width.

Those are the rough 1/16 dimensions, and naturally some leeway is expected on a project like this :P

Thanks for the help







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RE: Looking for a chassis for a scale armored car... Sd... - 2/16/2013 2:03 PM   
The Mad Modder



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Status: offline 		The closest thing I can think of in rtr form is Losi's mini trail trekker. I think it's a bit too small though. The wheelbase would need to be stretched from 4.8" and you'd need to widen it too from 3.7". Even if you did that, I don't know how durable it would be. If you were able to build it from parts though, you could use RC4wd's micro t-rex axles, which would be much stronger(they're made of aluminum w/steel gears and shafts) and you may be able to get closer to your desired width(depends on the wheels you use).
http://store.rc4wd.com/118-T-Rex-Micro-Front-Axle_p_437.html

I wish I could be of more help, but there currently isn't a whole lot of trucks that are close to the size you need.

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RE: Looking for a chassis for a scale armored car... Sd... - 2/16/2013 4:29 PM   
Strato50



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Status: offline 		The dimensions aren't AS important, as say the steering mechanism & 4WD in a relatively simple package. Do many of these crawler rigs use a single motor & steering servo? Im blissfully ignorant :P

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RE: Looking for a chassis for a scale armored car... Sd... - 2/16/2013 8:26 PM   
The Mad Modder



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quote:

ORIGINAL: Strato50

The dimensions aren't AS important, as say the steering mechanism & 4WD in a relatively simple package. Do many of these crawler rigs use a single motor & steering servo? Im blissfully ignorant :P

A few use two motors with a gearbox integrated in each axle, but most use a single motor and transmission mounted in the center with drive-shafts to the axles.

Typically crawlers will have two servos that are mounted on the axles for 4WS. Some trucks that are designed to have a realistic appearance, like Tamiya's high lift, use cranks to transfer the movement of chassis mounted servos to the axles.

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RE: Looking for a chassis for a scale armored car... Sd... - 2/19/2013 3:16 PM   
Strato50



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Status: offline 		I did some more looking around, and the 1/18 scales seem to be a good fit. Losi's 1/18 looks really nice, the only (minor) detraction being non 4WS... but I can live with that.

There are a ton of 1/18 "trucks" on eBay with 4WS, but I'd prefer something from a solid name brand, losi, traxxas, HPI, because of parts and repair.

Thanks for the info so far!

*edit* I just noticed you can mod some of these chassis INTO 4WS... now that sounds like it would be perfect in the Losi frame.. thoughts?

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RE: Looking for a chassis for a scale armored car... Sd... - 2/20/2013 1:19 AM   
nitro stan


 

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Status: offline 		that will work. you would need c hubs,knuckles,servo mount,steering linkages parts and the front axle shafts. i dont know if the losi uses a cv axle or a dog bone/stub axle like axial does.
should be able to score the stock parts cheap.
and tcs makes a scale truck chassis for the MRC, if the twin plate wont work for you

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RE: Looking for a chassis for a scale armored car... Sd... - 2/20/2013 1:53 PM   
Strato50



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From: Hamilton, ON, CANADA
Status: offline 		I did some more digging.

With the 1/18 Mini-Rock Crawler from Losi, you can upgrade to all wheel steering with about $20 in extra parts, and a second servo. That sold it for me. I hope my LHS carries it!!

Front Spindals & Carriers

Steering Links

Servo Mount

With a Spektrum Dx6i I wont even need a servo Y harness, I can just program it in.

If anyone has any more suggestions, let me know! There might be a few of us getting these, we love our crazy armored cars :P

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RE: Looking for a chassis for a scale armored car... Sd... - 2/21/2013 5:53 PM   
The Mad Modder



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Status: offline 		Wouldn't that be too wide, though? Losi's site says that it's 7.425 inches wide.

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