My Senior design project - a "Swamp Thing" tracked vehicle clone

   / My Senior design project - a "Swamp Thing" tracked vehicle clone
  • Thread Starter
#632  
Thanks for the tip. I was not aware of them used on Mustangs.
 
   / My Senior design project - a "Swamp Thing" tracked vehicle clone
  • Thread Starter
#633  
Just a quick update to some of the enhancements I've chatted about earlier. I've been performing some major surgery on Snowzer with most everything associated with the tracks removed. In summary, a) I plan to add chain drive to power the rear track sprockets from the front ones (image 1). Most of the parts are made and I am about to install some of them. I still need to pull off the the front drive sprockets, hubs and half shafts which will need to be shortened. B) I will be adding springs to the walking beams that support the track wheels (image 2). This will hopefully provide softer action and reduce the hard banging that currently occurs when a wheel encounters a bump and then the walking beam hits the hard stop. C) I am going to install electro-hydraulic pumps that will be used to pressurize the brake calipers used for steering. Image 3 shows how I might install the system. I initially plan to be able to send as much as 2000 psi to the calipers to see how it steers on grass and can bump that up to 3500 if necessary if the calipers can take it.

20231022_090724.jpg20240126_094134[1].jpg20240505_213337[1].jpg
 
   / My Senior design project - a "Swamp Thing" tracked vehicle clone #634  
You could learn a thing or two from this guy ;)

 
   / My Senior design project - a "Swamp Thing" tracked vehicle clone
  • Thread Starter
#635  
I checked out his Youtube feed but did not see any details on how he built it. Did he use snowmobile tracks? I admit - he has built some neat projects over the years.
 
   / My Senior design project - a "Swamp Thing" tracked vehicle clone
  • Thread Starter
#636  
A quick update on my latest Snowzer efforts. The rear sprocket drive chains have been installed and I am in process of wiring up the hydraulic pump system for steering. I am also making up a new set of wooden wheels that will have replaceable UHMWPE pucks to push against the track guides. Pics will be added shortly.
 
   / My Senior design project - a "Swamp Thing" tracked vehicle clone
  • Thread Starter
#638  
Since my last post, I finished up and installed the new set of four wooden support wheels with the UHMWPE side pads (see pic). The wheels came out so nice I ordered more UHMWPE to affix to the remaining wooden wheels.

20240730_152010[1].jpg

I also completed installing and testing the hydraulic steering system and tested it. I attached a short movie showing it's action. I think 3000 psi is sufficient and the responsiveness looks great. I will be test driving it soon.

 
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   / My Senior design project - a "Swamp Thing" tracked vehicle clone
  • Thread Starter
#639  
I finally have all eight support wheels changed out from inflatable trailer tires to solid wood wheels with UHMWPE side thrust pads. You may notice some are missing screws on the pads which I plan to install once the rest of my order is delivered. Note how nice they will be guiding the tracks when turning where the tires were having issues. As you can see, I have it up on my maintenance ramps so I can crawl underneath comfortably.
 

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   / My Senior design project - a "Swamp Thing" tracked vehicle clone
  • Thread Starter
#640  
We finally had enough snow here recently to where I thought I could take Snowzer out for a spin around the yard without tearing up the lawn too much (gotta keep the wife happy!). I found that the new hydraulic steering system (HSS) seemed to work quite well and I will continue to evaluate it. I also noticed that the tracks were much noisier than before when I added chain drive to the rear sprockets. It sounds a lot like the teeth on the front sprockets, which I left installed, are being excessively impacted by the track grousers. I will be removing them when weather conditions improve. Happy holidays everyone!
 

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