Heymow - Lawnmower Racing Forum
Mower Building / Setup Help => Driveline => Topic started by: Lucas on June 12, 2018, 09:06:16 pm
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Hello all, I have a racing mower with a 18HP vangaurd (stock), it’s got a 5 “ engine pulley 10” gear box, then a 16 tooth to 60. What do I have wrong here my rear ratio is 3.75-1. My mower has no go down the straight. Any help be great :confused:
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Did you check that you're getting full rpm out of your engine? Belt clutch or centrifugal clutch? What size rear tires?
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Belt clutch with 16x7.50x8
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Hello all, I have a racing mower with a 18HP vangaurd (stock), it’s got a 5 “ engine pulley 10” gear box, then a 16 tooth to 60. What do I have wrong here my rear ratio is 3.75-1. My mower has no go down the straight. Any help be great :confused:
For one thing your final gear ratio is 7.50-1
If you are running governed 3650 rpm your doing about 23-24 mph with your setup ,that's why you have no straightaway speed
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I have the governor removed from my engine, what ratio should I be around ?
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I have the governor removed from my engine, what ratio should I be around ?
With the governor removed you should have a Billet Flywheel.