Moving onto districts

General discussions for car and semi-truck racers.
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Pack76oldtown
Apprentice
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Posts: 3
Joined: Fri Jan 04, 2019 2:59 pm
Location: Orono, Maine

Moving onto districts

Post by Pack76oldtown »

My son won his pack derby. Any recommendations for reprepinf the car? Axel or wheel polishing or anything else?
Speedster
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Posts: 1972
Joined: Sat Feb 18, 2012 1:48 pm
Location: Toledo, Ohio

Re: Moving onto districts

Post by Speedster »

CONGRATULATIONS to the team !

Being the nosey person I am, I'd be interested in every single thing, no matter how small it might be, that was done to the car following science.
Rail riding, 3 wheels, BSA axles, stock wheels, machined wheels, wax before graphite, oil, COM (where the car balances) what kind of graphite, oil, what used for weight, (tungsten, lead, other)
amount of drift if rail riding, total weight of car. amount of camber on wheels, What kind of track did you race on? If Elapsed time, what time was your fastest?

Might we see a picture of the car?
Pack76oldtown
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Posts: 3
Joined: Fri Jan 04, 2019 2:59 pm
Location: Orono, Maine

Re: Moving onto districts

Post by Pack76oldtown »

Rail riding on all 4 wheels
Revel axles
stock wheels
waxed bores with mcguiars scatch x and polished with mcguiars ultimate polish.
Burnished bore with hobby-lube with steel pin in bore.
Also used the hobby lube to lube axles before installation of wheels.
Sanded axles to 2000 grit. Then metal compound polish and finally pledge.
COM ended being to foward at about 1.5 inches.
Primary weighted with tungsten along with old zonc weights.
5” of drift to the left.
total weight of car was 4.995 oz.
I dont have a precise way to drill camber holes so i bent the rear axels to 2.5 and the fdw to 1.5. The fndw barely touched the track but was also bent at 1.5.
track was 3 lane aluminum with a digital timer. I dont know how long the track was, so with that said his fastest scaled speed was 189 mph.

I dont know how to post a picture.
Speedster
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Posts: 1972
Joined: Sat Feb 18, 2012 1:48 pm
Location: Toledo, Ohio

Re: Moving onto districts

Post by Speedster »

Thanks for the info. I know your Team worked hard. My only thought would be to re-lube the wheel bores, rub graphite on the rim of the wheel that rides the rail, and go racing.

Can you send a picture to my email address?
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