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Old 05-11-2010, 08:18 PM   #16
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Well, I manufactured a under-carriage from aluminum sheet metal today. Took all day, but I finally got it done. It fits the shape of the chassis perfectly, and folds around the main/long belt and also around the spurs/pinions/flywheel section, behind the receiver. I milled a cutout for the flywheel for starting. It screws into the bottom of the chassis in 5 places to keep it held securely.

I will test it out tomorrow and see if it actual helps.

Also, what about just coating foam tires with this instant rubber in a can stuff? It might work OK for a run, and then you can cheaply redo it.



http://www.plastidip.com/home_solutions/Super_Grip
http://www.plastidip.com/home_soluti...cal_Insulation
http://www.plastidip.com/home_solutions/Plasti_Dip
Try capping old foam tires with bike inner tubes. works great. Thats how ive always done it.
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Old 05-17-2010, 02:42 PM   #17
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Try capping old foam tires with bike inner tubes. works great. Thats how ive always done it.
I see what you mean. Stretch the inner tube over the tire so the foam is inside the tube. I was thinking about wrapping it around, but then there would be a line where it was glued.

Sounds like a good tip!
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Old 05-17-2010, 03:13 PM   #18
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I see what you mean. Stretch the inner tube over the tire so the foam is inside the tube. I was thinking about wrapping it around, but then there would be a line where it was glued.

Sounds like a good tip!
Yes sir!

What i usually do is take a 26'' mountain bike tube, or 20'' BMX tube (any tube with a large diameter cross section) that way you wont have to wrap it around and have a seam... Just pull a cross section of tube over the foam and glue it.

you can get "puncture proof" tubes that are about 1/8'' thick, so you also have options with that & if you want you could cut grooves in the rubber if you have a lathe, that way you will have rain tyres.
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Old 05-25-2010, 02:51 PM   #19
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PMT Tyre used to make a full rubber belted tire for the 1/8th on road. I have 2 pairs somewhere in my tool box rear wide and narrow front. The only problem was finding the correct foams to use.
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Old 05-25-2010, 03:00 PM   #20
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I want to try it. I have a box of used tires and several innertubes. What glue are you using? CA? rubber cement?
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Old 05-25-2010, 03:21 PM   #21
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I want to try it. I have a box of used tires and several innertubes. What glue are you using? CA? rubber cement?



I cant remember the specific number, but its a loctite adhesive that came in a syringe type tube, there was also an aerosol activator you spray on before applying the glue.


I dont know if that glue was a good choice or not, it worked, and its all i had at the time (besides CA) it stayed relatively soft for a while, but eventually gets rock hard.

there may be some rubber cement type adhesives that work better
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