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 Tracked craftsman

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prancstaman
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PostSubject: Re: Tracked craftsman   Thu May 11, 2017 11:05 pm

Coming out pretty good.
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mightyraze
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PostSubject: Re: Tracked craftsman   Fri May 12, 2017 12:16 am

Looking good. That thing is looking pretty sweet!

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mr.modified
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PostSubject: Re: Tracked craftsman   Sat May 13, 2017 6:00 pm

Nice. I thought of using scrub brakes for something like this too. I think it would work ok if you made it with enough leverage.
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PostSubject: Re: Tracked craftsman   Sat May 13, 2017 7:54 pm

Looking pretty good. Vtwin motor?
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Camdg2010
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PostSubject: Re: Tracked craftsman   Mon May 15, 2017 12:56 pm

yes its got a 22 hp briggs v-twin, and zero turn wheel motors. cant wait to test drive this thing! may try to figure out the levers and linkages today if i dont have many tow calls
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Camdg2010
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PostSubject: Re: Tracked craftsman   Mon May 15, 2017 8:47 pm

well good news! it runs and drives. the bad news is, i didnt think it through when i swapped the wheel motors around, i figured if you push the control on the side of each wheel motor forward it would go forward... not the case, i had to run out to the scrap pile and sit on the old seat and look at it again, it pulls the coltrol backwards when you push the levers forward and vise versa... i have it so you push the levers forwards it pushes the control forward.. and to my suprize... it took off backwards! lol not what i was expecting.. its and easy fix and this fix will allow me to use my stock running boards for your feet where as the way i have it now the linkages from each lever to each control is in the way. i need the control to be pulled backwards ans i push the levers forwards.. or cut new slots in the frame and turn the wheel motors around the stock direction but then forward would actually be reverse. and my last project with one of these ended up going faster in "reverse (actually forwards for the zero turn) and slower forwards (reverse for the zero turn). i still dont have the tracks complete and another thing that im kind of irritated with is they didnt thread the exhaust port on the vtwin.. my opposed twin is threaded.. i wanted to put short stacks with one of those tractor supply lawn mower mufflers and a clap cap on each side... dont look likt thats going to happen unless i find a way to make new exhause tubing and flanges... more to come!
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Camdg2010
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PostSubject: Re: Tracked craftsman   Tue Aug 08, 2017 10:47 pm

well guys, its made a huge turn around... i had forgotten my info to log onto this website but i found where i wrote it down. its nearly driveable outside with the new setup! i drove it the other day in the garage for a little bit... i need to make a tensioner for both tracks and i may either put additional cogs in the front lower portion of the tracks to keep them in line or i need to find tracks with the rubber nubs on both sides of the drive sprocket... here is some pics












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TheBeal
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PostSubject: Re: Tracked craftsman   Tue Aug 08, 2017 11:33 pm

lookin good!
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mightyraze
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PostSubject: Re: Tracked craftsman   Thu Aug 10, 2017 12:47 am

I almost forgot about this build! That thing is looking good!

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Camdg2010
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PostSubject: Re: Tracked craftsman   Sun Aug 13, 2017 4:49 pm

ok guys, im having a little bit of track slip, i dont have any built in way to tighten the tracks, can what do you guys think i should do for tightening the tracks? and also, the tracks keep getting thrown when i make a 360 turn on it because there is nothing on the tracks to keep them from slipping off, so my idea is to get a 3rd set of drive cogs and put them at the front of the idler wheel arms on both sides, i have them in the rear already to keep them straight but thats not enough, so i would have the ones that drive the tracks on the hubs, then ones below that inplace of the front idler wheels then one on both sides in the rear making a total of 3 cogs on both sides... i think that would work... any thoughts? i tried a swing arm setup but that didnt work well... but i may be able to cut the idler wheel arms in the rear before the rear cogs and put in a piece of square tube inside the arms that slide and mount the rear cogs to it like it is now but have a grade 8 bolt to tighten the tracks... any ideas?
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Camdg2010
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PostSubject: Re: Tracked craftsman   Sun Oct 08, 2017 5:08 pm


lil yard work. yes it actually pulled the stumps out. took a lil bit but it did it. now on to the nest beacuse this keeps throwing tracks. i need my fabricator friend to rebuild my undercarriage that the tracks run on
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PostSubject: Re: Tracked craftsman   Sun Oct 08, 2017 5:09 pm


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PostSubject: Re: Tracked craftsman   Sun Oct 08, 2017 7:33 pm

this is amazing! i love it! awesome work would love to see a video of it in action
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mightyraze
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PostSubject: Re: Tracked craftsman   Sun Oct 08, 2017 8:24 pm

redzz02 wrote:
would love to see a video of it in action

I agree, that would be sweet to see in a video!

Thing looks even better and cooler now that it is out of the garage and doing work. Awesome Job!

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AllisKidD21
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PostSubject: Re: Tracked craftsman   Sun Oct 08, 2017 9:08 pm

That thing is sweet! Looks really cool and I bet it's pretty fun to drive.
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PostSubject: Re: Tracked craftsman   Mon Oct 09, 2017 8:59 pm

ok so im having some issues with this build. its wicked front heavy due to the motor being in the front, also i keep throwing tracks, i want to redo the setup, i want to make 2 big cogs for each side, one in front and one in back like a real dozer but i dont have any 3/4 steel plate or hard plastic, i want to make a prototype out of wood, im thinking 3/4 x 4 x8 foot sheet of white birch plywood to make the mock ups, if i cant afford or find anything, what do you guys think of using like maple or something, it needs to be strong, hard and not absorb water because after all its almost winter and that the reason i built this. what else could i use? i thought of car rims but as you can see i cut 1 track in half and used half for each side. i thought about like the diamiter of a bike rim but weld bolts on the rim to act as teeth but no way to drive it from wheel motors. i want to mention im thinking about making like 16-20 inch gears or cogs.. like the pic i included but not as big of a gap between them. any thoughts would help.
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PostSubject: Re: Tracked craftsman   Tue Oct 10, 2017 7:54 pm

This might sound too caveman... but could you bolt up some pressure treated 2x6s near the bottom inside and outside track to take the lateral forces?  If you want to get fancy, you could even put rollers to prevent wear from rubbing.  One downside is it will trap material like snow and mud.  Crude sketch below:

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prancstaman
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PostSubject: Re: Tracked craftsman   Tue Oct 10, 2017 8:47 pm

Lookin good!!! A video would be good, but closeup pics of the track and ground wheels would help. I'm assuming to turn, you have to put one track in reverse to pivot because of no brakes. With you having the drive sprocket up front and high with the slanted down part and then to the ground wheels. Where the ground wheels start is probably where the track starts to come off since this spot has the most pressure on the tracks. Also looks to be single wheel ground wheels in a line, and lined up on the sprocket holes in the track. Looks like the tracks stay on pretty straight with little to no leaning to one side too.  

The 2 big sprockets like in the dozer should do it on keeping the tracks on while turning, but that's a lot of redoing. I have an idea. You can bolt a C-channel on the opposite side of the ground wheels with the opening down. Fish mouth the ends so guides will channel into it to then straighten out while going through. Then you can use bolts as guides. Probably get away with between every other lug for a bolt, but if you got the money put a bolt between every lug , say a 3/8 size bolt and  1 1/2 inch long with washers on both sides so it don't pull through. The C-channel that is used for hanging electrical conduit would be prefect.

To help with the turning. You have 4 ground wheels in a line. Replace the 2 front ground wheels with wheels 1 inch bigger. This will help tighten up the tracks and focus the ground pressure on the 2 front ground wheels. So when you turn, the 2 rear ground wheels will swing instead of skidding across the ground. This will also help with not throwing a track while turning. The 2 front ground wheels should also be able to handle double the weight also since these 2 wheels are only on the ground while on hard surfaces. Now when on soft surfaces, the transition point from the 2 front wheels to the 2 back wheels will sink in soft surfaces for added weight distribution and traction.

The edges of the tracks, you can bevel them so when you turn, the edges will slide over the ground. If the edges are straight up and down, when you turn they will be plowing through the ground. The little thing help a lot here.

Hope it steers you in the right direction.
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