My version of the ADV single wheel trailer

Gen

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Dec 9, 2014
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Lewiston, Idaho
Lets just start this by saying that I'm no welder. A person with my skill set will quickly turn a welding project into a grinding project, I'm ok with that, gotta learn somehow. To begin, I built a welding table with some scrap around the house and up at the farm. 3/4" steel plate is not even remotely lightweight.




Then just because I had the resources, I had a friend copy the rear axle with solid stock and thread the ends 3/8-16.





I started with the swingarm. 3/4 x 1-1/2 rectangle .083 wall & 1/2" ID, .25 wall DOM tubing







Wheel is a front from a '01 KX80



Frame is 3/4" square, .120 wall. Borrowed a tubing bender. Rear pivot is 3/4" ID, 1/4" wall DOM, front upright is the same 1/2" DOM as before. All pivots use bronze bushings from the local hardware store.









Rear shock is from an old mountain bike of mine. 6.5" eye to eye, 1-1/2" stroke, 700lb/inch spring




Next comes the connection to the motorcycle axle. Again with the 3/4" square and 3/4" DOM







I decided to brace up the ends of the frame just because. 1/2" .120 wall square.




Rear fender and supports from 1/2" flat and 3/16" rod, .060" Kydex to try and match the bike color laced onto the frame with some paracord. Rear light from Amazon.







30L Home Depot brand box for storage. Finished wiring up Friday night. Maiden voyage was for the Toys for Tots motorcycle ride.







Just wanted to show off, I'm very proud of my creation. Oh, and our very scientific suspension testing method


Later,
Gen
 

JV

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Dec 11, 2010
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NE Arkansas
Nicely done! ::008::

It was beginning to look a bit heavy in the pictures but the video brought it more back into scale.

How does it pull? Any adverse feeling to the bike when maneuvering?
 

patrickg450

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Jun 20, 2012
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Memphis TN
I hate you.............



No seriously, I dont hate you, just jealous. You my friend have some talent. I thought it was going to be a gorilla-mod, but that turned out way cool. Thanks for the time line story, really cool.
 

Gen

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Dec 9, 2014
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Lewiston, Idaho
Dogdaze - I could've made the frame longer for a larger box, but it would reduce my turning angle if I put a larger box on the current frame. Right now it will go to about 90 degrees, I know I won't turn that sharp but I wanted some margin of error. Nothing saying I couldn't use a larger box and turn it sideways though.

JV - I haven't weighed it yet, but its less than 50 lbs for sure, seems to pull just fine. I 'THINK' I can notice it back there, but it could just be in my head. Backing the bike out of the garage between 2 cars is a new experience.

Thanks guys.
Gen
 

Kurgan

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SE Michigan
Gen said:
A person with my skill set will quickly turn a welding project into a grinding project...

My first welding class, our instructor told us the same thing, and he was right. Within days I was highly skilled with the angle grinder!



To begin, I built a welding table with some scrap around the house and up at the farm. 3/4" steel plate is not even remotely lightweight.

I first thought you used 3/8" plate, but 3/4" plate?!, you actually built a bomb shelter that doubles as a welding/fab table! That top plate has to weigh every bit of 500 pounds. That was ambitious!
 

stutrump

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london uk
Amazing. Im very envious of your skill. Looks like you're planning a trip to distribute xmas gifts too which makes it all the more worthwhile!
 

tubebender

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Really like the rear fender ::008::.
Do you have a closer pic of how the "hitch" attaches to the bike?
 

Boondocker

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I get the feeling you know what you're doing. Kinda makes me want a trailer, and that's just weird.

Now get some paint on that bad boy!
 

Gen

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Dec 9, 2014
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Lewiston, Idaho
tubebender said:
Really like the rear fender ::008::.
Do you have a closer pic of how the "hitch" attaches to the bike?
1/2" ID bronze bushings pressed into 3/4" DOM, 1/2" shoulder bolt attach it to the axle.




Decided to switch over to TIG to cap off the ends of the swingarm.
My not so proud weld, Oh, did I already grind it smooth?



One I'm relatively ok with.


 

Checkswrecks

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I could sure see a dog crate back there!
Probably want to cover the left side vent holes due to the exhaust.
 

tubebender

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AVGeek said:
OK, how are you threading the shoulder bolt into the axle?
Back in the first post he had a new axle made with threaded holes.
 
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