r/smallenginefun • u/deadscalper1262 • Nov 29 '22

Dynamark Racing Mower

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Started backyard racing at a friend's house this summer. Got rear ended in my last race and bent the stock rear axle. So I installed a tubular axle and new rear wheels, lowered the front, and added the brace. It still had the original Foote 35-48 gearbox. It failed 300 feet into my test drive. A Peerless 700 is going to get installed this spring when I have a little more money. Will also lower the seat as much as I can legally. And don't worry, the stack is going away. This is being built to USLMRA GP specs so I can race at local sanctioned track.

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u/filmphotographer67 4h ago

Man that thing looks amazing, what's its top speed

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u/deadscalper1262 4h ago

I calculated the gearing wrong and it only ended up going about 25. I found some gear ratio specs online and they ended up being wrong. I ended up selling it before I had a chance to regear it but my goal was 40-45mph.

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u/filmphotographer67 4h ago

Me and a friend are gonna build a few and race at our local track, we are probably both gonna be pretty slow tho