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Motorized Cruiser Bicycles The beach cruiser has always been great bicycles to motorize. They just look good with a motor. Use this section to share and discuss about motorizing this classic.

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  #1  
Old 06-29-2010, 02:11 PM
betacrash betacrash is offline
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Join Date: Jun 2010
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Default My motor mount on a Schwinn Riverside

I was banging my head trying to figure out a clean way to mount my Flying horse engine onto my Schwinn Riverside. The motor mounted just fine to the bike seat tube but the bottom tube is too big and it is too low so the motor would hit the chainguard/chain wheel area.

I used the small adapter plate that bolts to the engine and creates a wider set of holes. I then drilled a 1.5" hole into a block of UHMW (ultra high molecular weight) plastic. This stuff is super tough. I cut across the hole I just made which created a rounded notch so that the block could rest on the bar below. I drilled two 1/4" holes on each side of the mount so I could use 2 4" carriage bolts to mount the block to the bar.

Tell me what you think.
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Old 06-29-2010, 03:03 PM
Nougat Nougat is offline
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Default Re: My motor mount on a Schwinn Riverside

Functionally just fine, although I would have made it a bit shorter, bring the engine lower in the frame.
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Old 06-29-2010, 03:13 PM
betacrash betacrash is offline
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Default Re: My motor mount on a Schwinn Riverside

i was thinking the same thing. i guess it looks kinda ridiculous. I will cut a couple of inches off tonight.
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Old 06-29-2010, 04:07 PM
Nougat Nougat is offline
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Default Re: My motor mount on a Schwinn Riverside

With the engine that high, you might run into clearance issues with the drive chain, and possibly the spark plug. Also, the shorter your mounting bolts, the less they're likely to snap.

On the other hand, with the engine up that high, you might not have to deal with pedal-to-exhaust clearance issues that may exist with the engine lower.
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Old 06-29-2010, 04:52 PM
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CoastalCruiser CoastalCruiser is offline
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Default Re: My motor mount on a Schwinn Riverside

Nice hunk of plastic! On most installs the clutch cover is right above the chain guard.
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Old 06-29-2010, 10:45 PM
betacrash betacrash is offline
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Default Re: My motor mount on a Schwinn Riverside

alright. i came home and shortened it up. i made a corresponding bracket for the other side too. i will probably switch it out since it is pretty close to the exhaust and i am sure that it will melt.
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  #7  
Old 06-30-2010, 12:34 AM
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Goat Herder Goat Herder is offline
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Default Re: My motor mount on a Schwinn Riverside

Welcome to the forum. Neat trick with the plastic let us know how well it holds up. Looks good..
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Old 06-30-2010, 12:55 AM
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corgi1 corgi1 is offline
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Default Re: My motor mount on a Schwinn Riverside

maybe it would hold the rear mount further from the frame for carb. clearance and angle
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Old 06-30-2010, 02:44 AM
FreeWheeler FreeWheeler is offline
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Default Re: My motor mount on a Schwinn Riverside

I'm jealous, you have a kit to work with. I liked your first mount as it gave me an idea for when my kit arrives. I want to use the semi circular indents and weld another tube onto the frame. I've read some debate on vibration and mounts and the conclusion is that a hard mount with these motors that uses the built in indents is best, when possible.
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  #10  
Old 06-30-2010, 07:20 AM
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bairdco bairdco is offline
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Default Re: My motor mount on a Schwinn Riverside

good idea. nice to see some problem solving action. if the plastic turns out to be too brittle, or melt, or whatever, it'd be easy enough to do the same with an aluminum block and simple hand tools.
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