New thoughts motorized bicycle ( super long bmx?)

TheSignGuy

Member
Nov 24, 2014
452
7
18
seattle, wa
So as everyone may know my friction builds dominate over my non friction builds ( bust and fail type deals.)

I wanted to build something new and unique.....


I am thinking a long bmx bike composed of two twin bmx bikes....

Average bmx is small and boring,


What if I drew a rough draft to show what I'm thinking not sure if it will be mini tandem style or just a long one seater.

Next idea is a motorized (adult scooter) seeing they are already long and would take less work to chop in half without gearing issues...

For this idea I was thinking of a cargo bike slammed together with a scooter on steel tubing.

If anyone has some special builds that could give me a few pointers would be nice sounds like babble but I'm ready to move on....
 

TheSignGuy

Member
Nov 24, 2014
452
7
18
seattle, wa
This is how it looked. View attachment 96529
Sheez I'm scratch building again, I torn down my bike.

Working on welding the motor in the center and welding a second axle to the bottom as pedals won't clear...

Only other thing I can think of is welding tube steel to extend the axle lengths and weld on a pedal set.


All torn down the bikes light as **** without the rear works.

IMAG0187.jpg




Got pissed due to a lack of cash going to have to pull out my welder first time ever....

In addition I might make some frame MOD areas to resemble a board track racer.

My questions if there is no pedals that makes it illegal then....

I've also completed a China girl but seems boring.

I have enough metals from the back to rebuild... a new version.
 
Last edited:
Jan 17, 2015
591
20
18
ca.
I've got three frames not completed. I use SBP bottom wide bracket, then use steel cranks so I can cut bend out, then at the peddle area, I cut and bend to level the peddle. Then weld. Just a Harbor Freight 90 amp. The auto-darkening helmet improved my welding greatly.
 

TheSignGuy

Member
Nov 24, 2014
452
7
18
seattle, wa
I've got three frames not completed. I use SBP bottom wide bracket, then use steel cranks so I can cut bend out, then at the peddle area, I cut and bend to level the peddle. Then weld. Just a Harbor Freight 90 amp. The auto-darkening helmet improved my welding greatly.

Yeah I'm still pretty much a beginner once a new mounts designed I'll be able to make justice as for now I decided on spending $120.00 to build a bike and spend my winter months working on the 700c frame via welding.

To make custom I have to weld....
700c comes with excessive dimensional issues,

There is only one place to put the motor and that's back over where the rank goes for simplicity would require removal of a auto centrifugal clutch will have to create a system which will act as a foot pedal clutch single speed set up but set up as a second gear only bike.

1st gear typically in a car is 1-10mph second is 15- 30mph and if I had endorsements ID stick 3rd gear or 4th for long strips above 40-60mph.