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Old 08-26-2013, 06:31 AM   #15
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Quote:
Originally Posted by doorgunner View Post
Joe;

That's pretty nice.
You could build me anything ,anytime.
nice welds,deburred alu channel. clean.
Is it your design or some plans built thing?
The feature of being off to the side is way cool.Does the steering arm swing down, kinda hard to see in the image. That would be "double cool" if the steering arm could articulate side to side.
Thanks for posting.
Thanks for them kind words

The steering arm swings down. You steer with one hand and work the control buttons with the other. There's a locking mechanism to hold the handle vertical when not in use with a release rod near the end of the handle. You can swivel the whole unit 180 degrees if you need to maneuver from the other side. The problem that I found with all the other trailer moving devices that I looked at was that they all steered from the front and you still needed another person to watch the sides of the trailer and give you direction. The plans for the crawler came from my head. It has served me well so far but I have a few improvements I want to make but that's a wintertime job.
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Old 08-26-2013, 07:24 AM   #16
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That's pretty neat! I can think of one campground where it or one of the dollies would've been handy - I was totally blind backing up, and I wasn't getting a lot of advice from the rear (until it was too late), and the road was so narrow that I couldn't straighten it out enough to see the situation from the driver's seat.

We were parking our camper yesterday, and I thought I had it in position fairly well on the pad next to the garage, but my wife said: "It needs to come over 2 inches." Seriously? 2 inches? I got it within TWO INCHES of where she wanted it, and it's not good enough? A system like this or a dolly would let me hand it off to her: "Here, honey, you fix it!"
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Old 08-26-2013, 08:52 AM   #17
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The four units for a tandem trailer are limited to 6,140 pounds max weight and less if the incline is too steep.They make no conversation about what happens with water on the tires (wet grass) or getting mud on the tires.

Mounting could be a challenge as they show "U" bolts holding the motors to the frame.
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Old 08-26-2013, 09:45 AM   #18
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The tongue jack would need to be fitted with a caster wheel, too.
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Old 08-26-2013, 09:49 AM   #19
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Joe;
Is that a "scooter" motor? looks like it has the ability to disengage the drive sprocket.And appears to be a self contained unit-12V batt on back side of pic. At what speed does the dolly operate when towing? a very slow walk? I have a lot of questions, sorry about hijacking this thread,
Anyway , great design for its intended flat solid surface use. send my the plans!!lol
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Old 08-27-2013, 06:39 AM   #20
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Quote:
Originally Posted by doorgunner View Post
Joe;
Is that a "scooter" motor? looks like it has the ability to disengage the drive sprocket.And appears to be a self contained unit-12V batt on back side of pic. At what speed does the dolly operate when towing? a very slow walk? I have a lot of questions, sorry about hijacking this thread,
Anyway , great design for its intended flat solid surface use. send my the plans!!lol
No not a scooter motor. The drive unit is actually a 2000# 12V electric winch with the drum modified and a chain sprocket mounted to it. It has the "free spool" feature which allows you to move it around the garage easily and engage when you are in position and ready to move your trailer. It is powered by a small 12V sealed rechargeable battery. You can see the connector plug for the charger right behind the top part of the drive chain. The unit crawls along slowly as it is geared down by the planetary on the winch. I am in no hurry when shuffling things around in the garage. There are no plans to send you. I usually build things by the seat of my pants. Sometimes they work, sometimes they don't.
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Old 08-27-2013, 09:33 AM   #21
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For those that have problems with backing up and tight spots....check out this video.

Caravan Mover Reich Move Controller - YouTube

I went to the German Airstream dealer today and they had most of the units outfitted with these....but their Airstreams are considerably lighter than ours. Fresh water tank...a little under 12 gallons. Very few have AC.
i'm wondering what a bad tire would do to these.
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Old 08-29-2013, 06:53 AM   #22
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I, too, wonder about tires with these things. Don't get me wrong, I think the homemade device is exceptionally clever and well done. I have genuine admiration for people who can conceive and develop stuff like this on their own. But the first thing I thought about when I watched the video was the stress on the sidewalls of the tires when the 360 degree spin was being demonstrated. With that kind of rotation I would think some forward or backward motion should also be used.

As a mostly solo traveler, these kinds of contraptions really interest me as a means of reducing stress and allowing more enjoyment without the need to worry about what kind of tight spot might be facing me when I arrive at my destination.
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Old 08-29-2013, 07:45 AM   #23
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The device is similar to mobile "lifts" and the "drum" engagement acts like a cheese shredder on the tread when pulling hard.
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Old 08-30-2013, 03:46 PM   #24
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I loved it! But do you get to yell at this device, like you do with your spouse?

"Turn left!"

"I am turning left!"

"No, your other left."

"OK, you do it!"

"Watch out for that rock!"

"What rock?"
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