Homemade power dolly - Page 2 - Escape Trailer Owners Community

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Old 04-23-2014, 03:25 PM   #11
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Perhaps there's a cottage industry here in building these for trailer owners! At least a set of plans you could sell! Nice job.
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Old 08-11-2014, 04:09 PM   #12
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ron- I'd like to make one too. could you take close up photos of how the sprockets are attached? also, where did you get the sprocket setup?
steve in texas
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Old 08-11-2014, 07:34 PM   #13
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In Canada we have stores called "Princess Auto" that have sprockets etc. Probably places like Harbor Freight would have the same stuff.

For the axle, decide on the diameter of shaft that you want. I used 1" which is probably overkill but the bearings were on sale and besides, I'd rather have it too strong than too weak My previous version had about a 5/8" axle and I almost twisted it off.

The drive is in two pieces. A piece called a "weld on hub" with a hole the same size as the axle is required. It has a keyway. I have a milling machine and could machine a keyway but if you don't have one you can substitute grub screws.

Sprockets are available in different diameters. The sprocket has a hole in it that matches the flange on the hub. It has to be welded to the hub.

Hope that helps.

Ron
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Old 08-14-2014, 11:00 AM   #14
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i was referring to the first dolly you made, not the 2nd more heavy duty model. apologies for not being specific, thanks for replying...
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Old 08-14-2014, 12:18 PM   #15
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No problem. The first one was only a one-wheel drive. Don't have any close up photos but basically I just bolted the sprocket to the side of the wheel.

The drive unit from the first one was used on the second one. It did require machining the cable drum to hold a drive sprocket.

Someone else did a similar thing and if you search some more you might find his photos which showed how he attached his drive sprocket.

Ron
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Old 08-15-2014, 10:35 AM   #16
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How great! I don't need one but I may not be able to resist trying to do this project.
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Old 08-17-2014, 03:41 PM   #17
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I like it,doing it that way has some advantages to the one I made.How about some pictures of how you mounted the motor and axles and things.
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Old 08-22-2014, 01:31 PM   #18
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Good work Ron

I also needed a power dolly, I use one 40' RV stall for both my trailers parked nose to tail. If I want to take the back trailer it involved a series of hook-up/pull out/disconnect/hook-up/pull out...... basically a real pain.

My design is very similar to Ron's, using the Pricess Auto ATV winch, the tires I use are small 8" with 5x4 1/2" bolt pattern that I install on my Boler when I need to fit it into my garage, (thought multipurposing those would work). Power comes through the trailer wiring harness but I also have built adapters so I can use the vehicle battery along with a 10/3 extension cord. I installed a momentary rocker switch that does apply the trailer brakes but as Ron said the winch provides excellent braking and I have not needed to use it (yet). I used an quick release ball that allows changing between a 1 7/8" and 2" ball

The frame is built from some scrap 3″x4″x 3/8″ thick aluminum angle and some 1.5″x3″x1/8″ aluminum channel and simply bolted together.

More pictures on my Blog









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Old 08-22-2014, 02:24 PM   #19
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Looks great, Ian.
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Old 08-22-2014, 08:26 PM   #20
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Quote:
Originally Posted by Ian G View Post
My design is very similar to Ron's, using the Pricess Auto ATV winch, the tires I use are small 8" with 5x4 1/2" bolt pattern that I install on my Boler when I need to fit it into my garage, (thought multipurposing those would work). Power comes through the trailer wiring harness but I also have built adapters so I can use the vehicle battery along with a 10/3 extension cord. I installed a momentary rocker switch that does apply the trailer brakes but as Ron said the winch provides excellent braking and I have not needed to use it (yet). I used an quick release ball that allows changing between a 1 7/8" and 2" ball

The frame is built from some scrap 3″x4″x 3/8″ thick aluminum angle and some 1.5″x3″x1/8″ aluminum channel and simply bolted together.
I highlighted some features which I think are particularly slick - nice work! I suppose I shouldn't be surprised, given what Ian did with his Boler...
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