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Posted 20 June 2019 - 07:03 PM
I started a new project while accumulating more parts for other projects. I'd had the Professor Motor bodies and the recommended wheels for awhile, so I ordered the chassis to go with it. The chassis is set up with both 36D and 26D mounting. I grabbed a Classic 26D for mock up.
Rotor
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Posted 20 June 2019 - 07:24 PM
The original plan.
Rotor
On The Lead Lap
Posted 20 June 2019 - 11:17 PM
Here is my Chaparral 2J project car I built sometime back, I used a Vac body and original Cox chassis . Runs pretty good around the track.
Best Regards,
Don
Posting Leader
Posted 21 June 2019 - 01:39 PM
Nice Don. IIRC White Point actually had a 1/24 kit of the 2J available 15-20 years ago. Anybody remember it, or White Point?
Matt Bishop
On The Lead Lap
Posted 21 June 2019 - 01:56 PM
Yup. I still see them for sale at Slotmania in Stuttgart, at least I did last year.
Brad Blohm
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Posted 21 June 2019 - 04:55 PM
Well, plan "A" didn't work out well. When the rear tire/wheel/axle assembly mocked up, there is no room for a spur gear! I tried almost every type of gear I have, and nothing works yet. 
Rotor
On The Lead Lap
Posted 21 June 2019 - 05:19 PM
You dont think it might work out with an inset pinion gear like used on an old Classic chassis??? (Like my Manta Ray uses???)
Michael J. Boruff
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Posted 21 June 2019 - 05:46 PM
You dont think it might work out with an inset pinion gear like used on an old Classic chassis??? (Like my Manta Ray uses???)
Pinion is not the issue. The pinion is just a mock up. Not spaced right.
No room for the spur gear with the chosen wheel combination. The issue is the wheel combination doesn't leave room for the spur to fit, and clear the body. The boss on the rim is too long. I could fix it, but I don't have the equipment to do it.
Rotor
Dan Gurney Fan
Posted 21 June 2019 - 05:52 PM
Well, plan "A" didn't work out well. When the rear tire/wheel/axle assembly mocked up, there is no room for a spur gear! I tried almost every type of gear I have, and nothing works yet.
Rotor
I've got the same PM 2J body and chassis, and I mocked it up using Cox taper axle on the rear, wheels and spur that fit in OK.
Seeing as the body covers the rear wheels, it doesn't really matter what Cox wheels to use, but I'm going to use the Cox Chaparral ones on mine.
Just a thought.
Steve King
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Posted 21 June 2019 - 06:09 PM
I've got the same PM 2J body and chassis, and I mocked it up using Cox taper axle on the rear, wheels and spur that fit in OK.
Seeing as the body covers the rear wheels, it doesn't really matter what Cox wheels to use, but I'm going to use the Cox Chaparral ones on mine.
Just a thought.
That is plan 2.2. Plan 2.1 will attempt to do something else.
On The Lead Lap
Posted 21 June 2019 - 10:00 PM
Only thing that comes to mind right now is a threaded axle with a thin threaded spur and flat spots ground for the set-screw wheels.
Brad Blohm
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Posted 22 June 2019 - 11:02 AM
Only thing that comes to mind right now is a threaded axle with a thin threaded spur and flat spots ground for the set-screw wheels.
That's pretty close to what I am planning on Plan 2.1, but not exactly.
I scored these on ePay. I think this might work.
Rotor
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Posted 26 June 2019 - 02:32 PM
Well, I think I finally found a solution to the rear axle issue. With the Dynamic wheels, and a Cox narrow spur gear, I can now get the body on the chassis. A little bit more clearance is needed on the gear side. I think by flipping the spur gear around, and making a new gear side spacer, I should have the clearance needed.
Rotor
On The Lead Lap
Posted 26 June 2019 - 03:55 PM
Yup, those Dynamic Chaparral wheels are sweet! Their T70 wheels are nice as well, but the Russkit T70s are the best ever!
Brad Blohm
Rookie Keyboard Racer
Posted 27 June 2019 - 07:57 AM
Hi, I have the same problem with Tamiya repro chassis; please could you add a picture with your axle / gear/ spacers / wheels disassembled?
Thanks
P.
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Posted 27 June 2019 - 04:04 PM
Flipping the Cox narrow spur gear around gave me the needed clearance to get everything under the body. I used a .118 inch aluminum tubing spacer on the left side, and need about a .020 inch spacer between the axle bushing and the nut for the gear and it will be perfect.
Rotor
Rookie Keyboard Racer
Posted 28 June 2019 - 01:26 AM
Many thanks, will try it.
P
What's a title?
Posted 01 July 2019 - 03:57 PM
Yup, those Dynamic Chaparral wheels are sweet! Their T70 wheels are nice as well, but the Russkit T70s are the best ever!
These?
Rotor
