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Post by jhbietz on Mar 14, 2011 22:04:14 GMT -6
I know its easy to get caught up in the vintage thing. I just paid way to much for a Cushman, $1400. Do your research and ask those who know. Then again if you LOVE it, its worth the price of admission.
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Post by jhbietz on Mar 14, 2011 20:18:21 GMT -6
Thank you both! That answers my question. .
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Post by jhbietz on Mar 14, 2011 19:30:38 GMT -6
I getting ready to run the hoses on my cooling system and I'm not sure on the direction of flow. Dose the water go in at the pump housing or come out?
Thank you,
Jim
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Post by jhbietz on Mar 14, 2011 18:17:10 GMT -6
I know what you mean! I had a terrible time getting the motor lined up in my 150 to 250 conversion because nothing was the same on both sides of the frame.
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Post by jhbietz on Mar 14, 2011 15:19:34 GMT -6
Swingarm mounted on scoot. Attachments:
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Post by jhbietz on Mar 14, 2011 14:55:17 GMT -6
NOW, its done. Attachments:
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Post by jhbietz on Mar 14, 2011 11:29:55 GMT -6
I thought I was done but anybody else see the same weak point I do? Back to work I go. Will post picture of improved version this afternoon.
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Post by jhbietz on Mar 14, 2011 11:20:52 GMT -6
Holes drilled and metal shaped. Attachments:
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Post by jhbietz on Mar 14, 2011 11:16:11 GMT -6
Extra steel welded on. Attachments:
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Post by jhbietz on Mar 14, 2011 11:13:19 GMT -6
Swingarm cut down. Attachments:
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Post by jhbietz on Mar 14, 2011 10:58:33 GMT -6
I have been trying for ever to find a swing arm for the 250. Never had any luck so I decided to make one. My starting point was the old one from the 150. The wheel bearing is the same size and it will make mounting the rear disk break easy. Its to long and the bolt holes where it attaches to the engine are in the wrong place. First I had to cut it down. Attachments:
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Post by jhbietz on Mar 13, 2011 21:16:49 GMT -6
I agree that in theory a scoop should help but without wind tunnel testing or a very accurate pressure gauge its hard to tell. Depending on the air flow around the scoot it may be better to turn the scoop backwards. Remember cowl induction? Its not intuitive but because of the way the air flowed around the car cowl induction worked better then a forward facing scoop.
If you could put a pressure gauge on the scoop and it measured more then 1 atmosphere then it would help. Its can be amazing how little extra pressure it take to increase air flow. My uncle used to put automotive smog pumps on air compressors to increase the pumping volume. Even though they don't pump much pressure, that little bit of forced induction would drastically improve the efficiency of the compressor.
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Post by jhbietz on Mar 13, 2011 12:51:06 GMT -6
Picture with motor installed. Now I have to get the motor exactly centered in the frame and make the spacers. Attachments:
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Post by jhbietz on Mar 13, 2011 12:32:26 GMT -6
just the left side mount. Attachments:
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Post by jhbietz on Mar 13, 2011 12:27:28 GMT -6
Got the mounts for the motor done! I know they look simple but I spent hours figuring out where I wanted the motor to sit and then getting everything square, straight, and level. I used the original mounts as a starting point because they are about the only thing on the frame that are the same on each side. Attachments:
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