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  #1  
Old 10-17-2016, 07:49 AM
hotgrips hotgrips is offline
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Default Paralyzed dog rear wheels motor assist?

My black lab uses Eddie's Wheels for supporting her hind legs, and motivates with her front. But her front "elbows" are having problems, and I want to work on motorizing the rear 12" diameter wheels to help her.

Speed range desired would be 1-5 mph
If one revolution of the wheel is 38" of movement on the ground, can any of you recommend a friction drive motor that may be appropriate?

I have a home fabrication shop with bench lathe, milling machine, weldes.

This dog has been dealing well with this handicap for three years now. Tried a DIY underwater treadmill but she never did get her hind legs moving again after the spinal injury.

She seems realtively happy, having adapted to her new life on wheels. Photos attached. We tried a three wheeler which might encourage her to use her hind legs to get a doggie treat, but no good.
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File Type: jpg 20140207_195928 underwater treadmill.jpg (165.6 KB, 21 views)
File Type: jpg 20140208_175737.jpg (136.9 KB, 20 views)
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  #2  
Old 10-17-2016, 07:50 AM
hotgrips hotgrips is offline
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Default Re: Paralyzed dog rear wheels motor assist?

Any ideas you have on allowing Taylor to control the motion. I don't think I can train her to move a joystick. Jim
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Old 10-17-2016, 12:01 PM
msrfan msrfan is offline
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Default Re: Paralyzed dog rear wheels motor assist?

Maybe leather elbow pads would help. I've heard of cordless drill friction drives for very low gearing. Different diameter drive wheels in the chuck and trigger position equals varied speeds. Could be activated with a sensitive switch triggered by one of her regular movements when she wants to travel and stop. I don't think it would take long to learn what makes it move or not. Hate to see a naturally active pet/friend/family member immobilized when we have all these great tools and fab skills available.
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Old 10-17-2016, 08:20 PM
hotgrips hotgrips is offline
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Default Re: Paralyzed dog rear wheels motor assist?

I got a reply privately from the owner of "Eddie's Wheels" who was opposed to motorizing their rear wheels for a paralyzed dog.

Their logic was that Eddie's wheels were designed to be a walking aid, and that power assist would allow the dog to weaken the legs that could function.

Actually my desire to motorize the dog's rear wheels is motivated by my wife's desire to go hiking with the dog. And as things are now, they cannot walk together for more than 200 feet before the poor dog is exhausted.

The idea of using a geared down electric power drill (12-20 volt DC) with it's chuck is a good one- thanks for making that suggestion.


Last edited by hotgrips; 10-17-2016 at 08:21 PM. Reason: spelling typo
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  #5  
Old 10-18-2016, 02:17 AM
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Cylon Cylon is offline
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Default Re: Paralyzed dog rear wheels motor assist?

I found the perfect engine for this setup! With the proper gearing this will work great just use a large fuel tank.

http://www.horizonhobby.com/cars-and...engine-dyn0700
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Old 10-18-2016, 02:50 AM
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Springfieldscooter Springfieldscooter is offline
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Default Re: Paralyzed dog rear wheels motor assist?

I wish you would set up a "GO FUND ME" campaign!
I like to buy Taylor a box of treats!
Shes lucky to have a owner like you!
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Old 10-18-2016, 01:43 PM
Slogger Slogger is offline
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Default Re: Paralyzed dog rear wheels motor assist?

She's a lucky girl to have a devoted dad trying to help her.
I'm with the docs, the motor would push her around but might weaken her stamina, and might even run her out into traffic or off a ledge or something.
I did have one idea that may be of some use.
Take her little wheely cart and add a set of light aluminum folding struts with wheels toward the front. When she gets tired out, they could be deployed and she would be riding home in style, pulled by her owner.

You're a good guy, doing all this for her.
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Old 10-18-2016, 02:51 PM
hotgrips hotgrips is offline
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Default Re: Paralyzed dog rear wheels motor assist?

I like that front struts with 2 more wheels idea. Heck, I don't mind simply carrying them along on my back until she needs a tow home.
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Old 10-18-2016, 03:25 PM
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Default Re: Paralyzed dog rear wheels motor assist?

I guess she would need some sort of front foot rest. Maybe an under-the-chest support strap. Or a cool footrest/bumper.
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