Pocket Bike Questions

[GoAlterBridge]

Robert (Or anyone that knows.),
Just a few questions.
In the pocket bike plans on the site, is the 3/4 hp engine a 2, or 4 cycle?
Also, on the thinwall tubing: How thick is the wall thickness? It also says that at the joints, to use pins. Couldn't you weld the joints? Or are you not supposed too?
Thanks!

 

[philip metzner]

that little engine in the plan is a two stroke. i dont know if they make O&R engines anymore. i would secure a engine of some kind first, then modify the plans to suit.
on the frame pins, what they are talking about is were the ends of the tubeing meets, make a sleeve to fit inside the ends before welding to help with the joint strength. most folks i talk to call that plugging the joint.
it makes me laugh in the plans were they talk about it being comfortable, that dude in the photo dont look comphy to me.-phil

 

[athif]

^ lol, pocket bikes arnt that comfy, but the ones that have 200cc are.

Its a 2 stroke i think, most of them are, but you should use a 4 stroke, because u can reach a higher speed, but you wont have that much acceleration

 

[robin]

4 strokes are les power full for the cc whers thay dont have to be in the power band like 2 streokes do if u want to ecselerate

 

[athif]

you could get a 2 stroke, but then that goes into mixing oil and gas which can be annoying for frequent riders, thats why u always see people selling off 2 stroke pocket bikes.

4 strokes can carry heavier people, but if ur looking for speed u should get a 2 stroke, which can be very annoying to the naibourhood

 

[RobertD]

Those plans are, in my opinion, just for a basis. I wouldn't build it with that engine, what when 5 HP engines only cost 150 USD or so.

But, yes, the engine in the plans is a 2 stroke, it's not made anymore, it was made for water pumps as I recall...

I would weld all joints and make something that can handle a load.

 

[biddie_gibbs]

you could also get a 4 stroke and put a torque converter on it. the power to weight ratio will amaze you. and if you do put one on a engine your output will sometimes double in HP. trust me i tried it.

 

[GoAlterBridge]

Thanks for all the great replies!
I was asking all the questions on the pocket bike just for in the future; Not any time close.
For me, the go kart come first.

 

[robin]

you could also get a 4 stroke and put a torque converter on it. the power to weight ratio will amaze you. and if you do put one on a engine your output will sometimes double in HP. trust me i tried it.

a torgue converter just makes better use of the power there it dos not give you eny more hp from your engine ?


(? is ther incase ime rong)

 

[athif]

a carburator gives u more Horsepower a torq a verter just has a better power output to you gear, hence giving u more speed

 

[rocko]

2 stroke

well if you want to use a 2 you can always find a toro snowblower engine and use it i find them al the time

 

[2or3wheels]

A torque converter changes the gearing, low in begining and the faster it goes it make more spped, so it might give you some more speed and more power for sure. I might be getting a used one for my bike, its geared to high and theres no room for a jackshaft and going form a 54 to a 60 tooth wont do anything, plus instead of going through clutches ill be going thround belts which are cheaper and i think will last longer.