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Ideas for building a trailer


Discussion at Motorized Bicycle Engine Kit Forum in the The Tavern forum. I like that outfit Stude. I'm always fascinated with taking things that are already laying around and working them ...
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Old 08-10-2008, 09:04 PM
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Default Re: Ideas for building a trailer

I like that outfit Stude. I'm always fascinated with taking things that are already laying around and working them into new solutions...especially in a way that has people asking why they didn't think of that.

Why Ohio won't let us have more than 3 wheels ??? It would be so much easier to build a trailer like you have going.

When I was looking at that outfit just now I thought of a detachable braced loop that would extend out behind the rear wheel with a "Pentel hitch". The trailer could have a short tongue with a ring welded to it's end to hook into the small Pentel hitch. When done with the trailer the hitch to bike adapter could be stowed in the trailer. I've seen some small Pentel hitches on lawn tractors that would lend themselves to this.

Just my thought.
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Old 08-10-2008, 09:32 PM
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Smile Re: Ideas for building a trailer

thanks for your input eDJ. I will probably work on using the baby seat frame tomorrow. The braced loop you suggest would be OK some how attached to the rear axle but I am reluctant to push that area due to the stresses of the motor. I plan to attempt at least a 3 point frame connection higher up on the bike. I have one pretty unique idea for the main connection for a trailer hitch. If it works, I'll share it with the rest of you. If it don't work, I'll do something different and claim that it was the unique idea anyway! Happy trails folks.
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Old 08-10-2008, 11:00 PM
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Default Re: Ideas for building a trailer

Looks like you have made progress with the build. It looks like you have it wider than I have built in the past. I usually build around 30" wide at the wheels. A thought about the hitch is to use the rack to mount a hitch to. Keeps the tongue short. I have used hyme joints for my hitches usually. Here is an image and one for sale at .... Discount Karting
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Last edited by lennyharp : 08-10-2008 at 11:11 PM.
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Old 08-11-2008, 01:29 AM
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Default Re: Ideas for building a trailer

Stude, It seems I notice people mentioning their concern for the stress on the axle with these Chinese motor kits. I'm wondering if a stronger material exist or a stock bolt could be made into a servicable axle. Perhaps a longer grade 5 or 8 bolt cut off and a thread cutter used to chase the threads after the cut end is ground to a bit of an angle. In Ohio we're only allowed to ride at 20 mph legally
and it makes me wonder if the BMV has considered the axle strenght issue when calculating that speed limit.
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Old 08-11-2008, 01:58 AM
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Default Re: Ideas for building a trailer

The law makers are not engineers and there is no engineering principle that says a bike axle has to be weak. A quality piece of steel 4130 cro moly or stainless will hold up to all probable stresses involved in 30 to 40 mph use. Road bike racers hit speeds in excess of 60 mph coming out of mountains. The bikes are lighter but that speed is a lot greater and the axles are hollow quick release axles.
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Old 08-11-2008, 08:29 AM
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Default Re: Ideas for building a trailer

My main concern about the axle mounting point has more to do with how "busy" do you want that area to be? I just don't want all the activity concentrated in that area. As far as the state of Ohio considering "axle strength on bicycles"... Is this the same state that says that cars can fly down the interstate at 65MPH while trucks must maintain 10MPH slower speed on the same road? I've seen some pretty nasty results of the misjudgment of "closing rate of speed" due to this well intended law. Once I have my sprockets aligned and my axle torqued down properly, I just don't want to mess with it. As to width, I went with the 26-3/4" width of the baby crib frame since it was straight and square. every thing else to accommodate that gives me about 40" of over all width. If that turns out to be a problem, I have a saws all and a welder!
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Last edited by Jstude : 08-11-2008 at 08:32 AM. Reason: correct error
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Old 08-11-2008, 08:16 PM
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Default Re: Ideas for building a trailer

Ok , no one has mentioned exterior design . This is a link to the teardrop and tiny travel trailer design page .

Teardrop and Other Trailer Designs


I like to make things look like something else .




This kind of trailer has been made to tow behind cars for years . One made out of a vintage pedal car to tow behind a bike would be cool .


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  #18 (permalink)  
Old 08-11-2008, 08:40 PM
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Default Re: Ideas for building a trailer

Quote:
Originally Posted by fairracing31 View Post
My nephew made a small trailer for me. He's only nine and I was teaching him how to weld.

new trailer
BRAVO!! Nine years old and can weld?

Keep an eye on that one.

We may be seeing him down the road!
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Old 08-11-2008, 10:11 PM
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Default Re: Ideas for building a trailer

LOL ya just gotta love this place.

That's hasta be the best use for a pre 65 Corvair I've seen yet.

As for Ohio's law makers, I think they write up a bunch of stuff and stand back pitching their pencils at all of it like darts. Whatever is hit becomes law.
Just today I was listening to the news report of Diebold's paperless election machines and the law suit they are in. Talk about a nightmare.
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Old 08-11-2008, 10:42 PM
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Default Re: Ideas for building a trailer

Speaking of the law,
Would a gas motorized trailer pushing your pedal bicycle down the road constitute a motor vehicle? How about if the trailer was built to push from off the shoulder of the road? Hmmm....
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