Schumacher's new K2 4wd buggy ..!
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#766
Ok, I used the corners from my durango desc410v2...arms,hubs,drive shafts and wheel he's a...I also got lunsford punished turnbuckles 2 7/8 length...I have a k2 rear shock tower on the front and losi shocks all the way around with the losi shock stand offs..on the rear I used 1/2 aluminum spacers to raise the rear end due to the longer losi shocks...front shocks have a 1/4 inch spacer inside each shock as they were too long...the slick short course tires are only for mock up...durango 14mm hexes and 14mm stadium rims will be here tomorrow...got to figure out a body still
Last edited by thefnshow; 08-10-2017 at 01:50 PM.
#767
Tech Adept
Thank you for posting the helpful pictures and description.
How well do the Durango driveshafts fit into the Schumacher diff outputs? Is there greater play between these driveshafts and the diff outputs?
Do you know the diameter of the cross pin at the diff output (e.g. is it 2.5mm like the Schumacher driveshaft or is it thinner (e.g. 2.0mm)?
Also, what is the diameter of the ball end of the driveshaft that the cross pin fits through? Is it closer to 6mm or 7mm?
Beyond driveshafts, did you need to modify the front and rear arms (e.g. increase hinge pin opening and remove material from the arms to fit)?
How well do the Durango driveshafts fit into the Schumacher diff outputs? Is there greater play between these driveshafts and the diff outputs?
Do you know the diameter of the cross pin at the diff output (e.g. is it 2.5mm like the Schumacher driveshaft or is it thinner (e.g. 2.0mm)?
Also, what is the diameter of the ball end of the driveshaft that the cross pin fits through? Is it closer to 6mm or 7mm?
Beyond driveshafts, did you need to modify the front and rear arms (e.g. increase hinge pin opening and remove material from the arms to fit)?
Last edited by Typpo; 08-11-2017 at 09:37 PM. Reason: Typo
#768
Tech Regular
Ok, I used the corners from my durango desc410v2...arms,hubs,drive shafts and wheel he's a...I also got lunsford punished turnbuckles 2 7/8 length...I have a k2 rear shock tower on the front and losi shocks all the way around with the losi shock stand offs..on the rear I used 1/2 aluminum spacers to raise the rear end due to the longer losi shocks...front shocks have a 1/4 inch spacer inside each shock as they were too long...the slick short course tires are only for mock up...durango 14mm hexes and 14mm stadium rims will be here tomorrow...got to figure out a body still
#769
Thank you for posting the helpful pictures and description.
How well do the Durango driveshafts fit into the Schumacher diff outputs? Is there greater play between these driveshafts and the diff outputs? they fit perfectly
Do you know the diameter of the cross pin at the diff output (e.g. is it 2.5mm like the Schumacher driveshaft or is it thinner (e.g. 2.0mm)?
don't know the diameter
Also, what is the diameter of the ball end of the driveshaft that the cross pin fits through? Is it closer to 6mm or 7mm?never measured the ball
Beyond driveshafts, did you need to modify the front and rear arms (e.g. increase hinge pin opening and remove material from the arms to fit)?didn't have to remove any material from the front arms..just added three plastic washers on each side..the rears i had to grind material away...schumacher's pins are larger...need to get a drill bit 3.26 is the actual diameter
How well do the Durango driveshafts fit into the Schumacher diff outputs? Is there greater play between these driveshafts and the diff outputs? they fit perfectly
Do you know the diameter of the cross pin at the diff output (e.g. is it 2.5mm like the Schumacher driveshaft or is it thinner (e.g. 2.0mm)?
don't know the diameter
Also, what is the diameter of the ball end of the driveshaft that the cross pin fits through? Is it closer to 6mm or 7mm?never measured the ball
Beyond driveshafts, did you need to modify the front and rear arms (e.g. increase hinge pin opening and remove material from the arms to fit)?didn't have to remove any material from the front arms..just added three plastic washers on each side..the rears i had to grind material away...schumacher's pins are larger...need to get a drill bit 3.26 is the actual diameter
#770
I may try and find different rear arms...the duango arms sweep forward..but they need to be solid arms...to melkf2,i picked up a 78 tooth spur... What would go pinion gear with a 13.5
#771
Tech Adept
#772
Tech Regular
gearing
start w/ 28 thats 7.02:1 you can go up or down one from there on a tight smaller tracks.
#773
Got an associated 78 tooth gear mounted
#775
Got some more work done one the truck...she's all wired up and I got away bars mounted..rear was from a kf2 and the front was from an svr...just some minor things left..ball joint and ball cups for the steering..the captured end rub and lock when wheels are turned...12mm hexes on the way...pieces for the rear shock tower mount to come...body to be sent out for paint
#776
How is the car on a low grip track out of the box? The track is bumpy, gets loamy and is generally a very low grip surface. Tires are usually hole shots and fuzzies on the back.
#778
Tech Apprentice
As above, my car was from a team driver so has the thinner chassis and top deck parts. You can also leave off the alloy side chassis stiffeners too. I have run my car on a bumpy damp or wet astro track and it feels nice to drive with a mod motor.
#780
Hi guys.
I had a b5/b6 exotek eliminator I’d hand filed down, I used it for over a year. On Sunday week ago. I noticed it was not straight and making my spur gear wobble ever so slightly. So my idea was to get a carbon fibre washer to help straighten it up. In measuring up the shaft I came up with a rudimentary idea for a slipper eliminator. I sent it off to bezerk rc. By the end of the week I had a beautiful new slipper eliminator to test. The test was brilliant the car had never be so smooth on power delivery, and not a mark on either gear. Using a polypropylene plastic pinion and Kimborough spur. I qualified 2nd on a dusty grooving up track and ended up taking the win in 3rd final overall. We run 17.5t in Australia for stock classes, but this will be no problem with 13.5t. I think it’s great.
Anyways it weighs a total of 1.5 grams, maybe if there is interest he might do a run of them so I’ll let you guys know. It’s 2 pieces carbon fibre flange and a alloy tube. He also gave me the idea to buy another layshaft cut it down and I’ll tap a m3 thread into it. Basically just the carbon fibre flange with no extra shaft. I’ve ordered it and will post once I get it going. But for now this is a great solution making sure you can also put back on your slipper.
Bezerk RC
Bezerk RC Schumacher Cat K2 slipper eliminator (installed alloy tube, flange not visible)
Bezerk RC Schumacher Cat K2 slipper eliminator (Flange, carbon fibre)
I had a b5/b6 exotek eliminator I’d hand filed down, I used it for over a year. On Sunday week ago. I noticed it was not straight and making my spur gear wobble ever so slightly. So my idea was to get a carbon fibre washer to help straighten it up. In measuring up the shaft I came up with a rudimentary idea for a slipper eliminator. I sent it off to bezerk rc. By the end of the week I had a beautiful new slipper eliminator to test. The test was brilliant the car had never be so smooth on power delivery, and not a mark on either gear. Using a polypropylene plastic pinion and Kimborough spur. I qualified 2nd on a dusty grooving up track and ended up taking the win in 3rd final overall. We run 17.5t in Australia for stock classes, but this will be no problem with 13.5t. I think it’s great.
Anyways it weighs a total of 1.5 grams, maybe if there is interest he might do a run of them so I’ll let you guys know. It’s 2 pieces carbon fibre flange and a alloy tube. He also gave me the idea to buy another layshaft cut it down and I’ll tap a m3 thread into it. Basically just the carbon fibre flange with no extra shaft. I’ve ordered it and will post once I get it going. But for now this is a great solution making sure you can also put back on your slipper.
Bezerk RC
Bezerk RC Schumacher Cat K2 slipper eliminator (installed alloy tube, flange not visible)
Bezerk RC Schumacher Cat K2 slipper eliminator (Flange, carbon fibre)
Last edited by Volition; 09-27-2017 at 08:30 PM.