cooldudepo
Im saving some money to build a go kart it will be out of wood and not that sophisticated I have a 4hp leaf blower i was planing to use but would it be better for a lawn mower engine to be used and more hp
ps: i do not want to spend more than $250 on the engine if i have to
Thank You for your help
thanks for the info but im just wondering what is wrong with the leaf blower motor i really dont want to spend the money for a new one and i was thinking i have a great bike shop that i could use bike gears and chains to connect to the tires
and i will figure out the gearing ratio when the time comes
Answer
Leafblower engine is probably only about 32cc. My lawnmower engine is a 3.8 hp Tecumseh, but it's about 160cc, and would have about four times as much torque, so could be geared a lot higher for a go-kart. Major issue would be that the lawnmower engine is probably a vertical shaft, making it harder to adapt to a go-kart, but there are plenty of sites where you can buy adapter kits - Google it.
Edit: what's wrong with it is that it's too small for a go-kart. It will be revving its little guts out just trying to get off the line then go slow. Forget about hills, unless you're only going to be going down them. It will destroy itself within a few weeks.
Leafblower engine is probably only about 32cc. My lawnmower engine is a 3.8 hp Tecumseh, but it's about 160cc, and would have about four times as much torque, so could be geared a lot higher for a go-kart. Major issue would be that the lawnmower engine is probably a vertical shaft, making it harder to adapt to a go-kart, but there are plenty of sites where you can buy adapter kits - Google it.
Edit: what's wrong with it is that it's too small for a go-kart. It will be revving its little guts out just trying to get off the line then go slow. Forget about hills, unless you're only going to be going down them. It will destroy itself within a few weeks.
How to make a go kart out of a lawn mower engine?
Tim H.
I want to make a go kart from an old push lawn mower engine, but I have some questions. I know that the lawn mower engine output is vertical an needs to be horizontal, but I am probably going to use the twisted belt method. I don't know how to weld, so how should I do it? Wood construction would be nice. Also, how would I mount the belt on the output shaft and axle? What kind of clutch do I need? How do I make the throttle? And lastly, how about the brakes? Thanks for answers to any of these questions!
Answer
You could use wood but, weight is going to be a huge factor. How are you going to design a sturdy, safe, lightweight and functional steering system of wood?
A lawnmower engine will work but is not going to be a speedster as these engines are governed.
Belts tend to slip and if you look at most go karts you will see they are chain driven and chins do not like to be twisted.
Maybe use that lawnmower to cut a few lawns for cash and just buy a nice go kart.
You could use wood but, weight is going to be a huge factor. How are you going to design a sturdy, safe, lightweight and functional steering system of wood?
A lawnmower engine will work but is not going to be a speedster as these engines are governed.
Belts tend to slip and if you look at most go karts you will see they are chain driven and chins do not like to be twisted.
Maybe use that lawnmower to cut a few lawns for cash and just buy a nice go kart.
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