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DIY Home Built Motorized Bicycle (non kit) Post all about your home built rides here. Weedwacker motors, lawn mower engines ect. This area is for non kit builds

Welding and engines


Discussion at Motorized Bicycle Engine Kit Forum in the DIY Home Built Motorized Bicycle (non kit) forum. i was wondering is it advised to weld the engine to the frame of the bike and if it is ...
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Old 08-13-2009, 01:03 PM
Motorized Bicycle Member
 
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Default Welding and engines

i was wondering is it advised to weld the engine to the frame of the bike and if it is possable
part of the engine can i weld to the frame
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Old 08-13-2009, 01:08 PM
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Default Re: Welding and engines

What kind of engine? The china girls won't for sure but I wouldn't do it anyway. If you have access to a welder why not make a mount?
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Old 08-13-2009, 04:22 PM
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Default Re: Welding and engines

If you really feel the need to weld... just weld plates to the frame & bolt the engine to the plates.
There will come a day when you need to take the engine off!!
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Old 08-13-2009, 04:26 PM
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Default Re: Welding and engines

i dont know how well zinc takes a weld, but thats what these china 2-smokers are. aluminum would be an improvement, but these are zinc. really, really soft.
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Old 08-13-2009, 04:39 PM
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Default Re: Welding and engines

Mounts for these chinas have been reinvented doesens of times here post us picts for help.
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Old 08-15-2009, 09:25 PM
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Default Re: Welding and engines

um its a weedeater engine, i dont know what its made of this is the DIY forum and i thought that means absolutely no kits right, well, so, yeah, okay, so i think it might be aluminum though because of what it looks like, when i get a chance i'll take pics because im not home right now but that welding plate idea is a good idea so i'll cut me out some brackets weld them onto the frame and bolt it through if i can get ahold of a welder in time i also wanted to know where a welding shop would be in maryland aside from the school that i go to where i can do my own projects at the school. i know how to mig weld stick weld and use acetelyne(however you spell it) to cut steel. or some one could tell me how to mount an engine, make a jackshaft well do just about everything without welding at all just to let you know i completely took the engine out of the trimmer so whats on it is the carb muffler and clutch i'm gonna use a electric drill to start the engine till i can find a better way to start it i also need to clean the carb i know the engine works because i put a small amount of 2 stroke gas straight in the carb and it started okay for a faew seconds the only problem is the carb also i would like to know how to kill the engine i still have tthe kill switch i just dont know where i would put it on the bike to short out the engine im practically building everything from the ground up so please help also if this drags on too long i will inevitably get 150 dollars for x-mas so i'll buy me an engine kit but it would be a waste because i woulndn't be able to experience actually building everything
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Old 08-16-2009, 07:31 PM
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Default Re: Welding and engines

1.to put it short someone is gonna have to tell me how to put a weedeater engine on my bike without any welding --or--

2.tell me where a welding shop is in my state(maryland) --or--

3. tell me how i would make engine brackets and mount on the engine

also when i do get the pics i need someone to estimate how many ccs the engine is

plus this is about the second thread i made and i only got a limited amount of help i need a do it yourself god on my side right about now

Last edited by generalmyers : 08-16-2009 at 07:35 PM.
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Old 08-16-2009, 08:09 PM
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Default Re: Welding and engines

this is a list of all the parts i have that i will use to make my dream bike
1.engine with centrifigal clutch, muffler, carb, ignition system
2.1 bicycle frame
3.1 5 sprocket rear wheel
4.1 front wheel
5.2 10 tooth sprockets from a rear derailure
6.1 pedal crank with 3 sprockets that have not yet been counted though only the big sprocket will be used
7.2 chains
8.1 front brakes
9.1 rear brake
10.1 rear derailure
11.3 brake lines 1 for throttle
12.1 shifter cord
13.1 shifter handle
14.3 break handles 1 for throttle
15.throttle cable
Note: i disassembled 2 bicycles and i am only using some parts from each bike also if there is anything i am missing please tell me i will also upgrade as i go.
i also need to know how to connect the throttle cable to the brake cable.
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Old 08-17-2009, 01:04 AM
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Default Re: Welding and engines

Post us picts of the project and more people can help.
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Old 08-18-2009, 07:04 PM
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Location: Pasedena, Md
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Default Re: Welding and engines

as you can see both bikes havent been completely dis assembled but i have every thing i need
also i need to know how but i do think i have an idea on how to kill the engine
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