TKI drive shaft fix kit

[snochuk]

lol, yep you bet it is. That’s why I have a one piece shaft in my G5. Not all engineering ideas are a good idea, like a carbon fiber sub for example.


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Pretty sure I got rid of all the boost issues and I'm at about $28k.
But I am also at a track speed of about
63mph.
The performance is in yhe boost, just takes a little extra to get it out.
They all had issues, the first run year of G4 was a nightmare for some.
Polaris is having their fun with their latest design also.

 

[Dazzler]

The suspension moves up and down. Its a vertical load. So same thing.

Track tension alone would create a side load on the spline.

 

[ctd]

Track tension alone would create a side load on the spline.

Exactly, cycle the suspension, not just up & down. The track goes from the 1 1/4 hang with a 16lb weight to a banjo string.

Only BRP would resolve a track issue with a drive shaft failure. Their engineers will go to their grave before admitting they screwed this up......a Quebec thing.

 

[Tchetek]

Sledmichigan on Instagram: "#braaap #stopandsmellthetwostroke #snowmobile @svenskaguldkorn"

37K likes, 246 comments - sledmichigan on December 14, 2023: "#braaap #stopandsmellthetwostroke #snowmobile @svenskaguldkorn"

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[Dazzler]

Sledmichigan on Instagram: "#braaap #stopandsmellthetwostroke #snowmobile @svenskaguldkorn"

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If that was a Polaris, there would be yet another stop ride, however, it’s a doo so we good to go… right Maxwell

 

[Caper11]

If that was a Polaris, there would be yet another stop ride, however, it’s a doo so we good to go… right Maxwell

Might be a stop ride with the 2024 poos. Poo engineers thought it was a good idea not to put rail caps on and the hyfax is ripping off the track clips, and sometimes ripping the hyfax right off.
Another great engineering idea.

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[lilduke]

Track tension alone would create a side load on the spline.

Im talk about an automotive drive shaft.(ones built for off road in particular) you said in post #34 that they dont see side loads, well yes they do. The splines do see directional loads, more than the sled will ever see. If its built right it works..

And a sled driveshaft doesnt even move up and down. It just rotates.

Should be easy to make it work. Its made of tinfoil, so maybe it needs to be a bit beefier.


But then again, not many people are having an issue with it. So i guess its a non issue...

 

[Teth-Air]

Doo is taking it one step farther than leaving off rail caps.

 

[Caper11]

Doo is taking it one step farther than leaving off rail caps.

View attachment 277100

What are you looking at? The stab wheel? There has been 1 wheel on the expert for years now.
No problem there.


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[Teth-Air]

What are you looking at? The stab wheel? There has been 1 wheel on the expert for years now.
No problem there.


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Yes, I guess the photo was sent by a very concerned Doo rider.

 

[Caper11]

Yes, I guess the photo was sent by a very concerned Doo rider.

Looking at it closer now, that looks like a freeride, and the strap is centered. Maybe doo is being cheap and not installing the second wheel like in the past on non expert sleds? I would not put it past em.


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[jcjc1]

my '23 freeride only has one stab wheel, but my 20 and 22 fr's had two. don't know if it matters much.
actually, i can't remember if it had any now that i think about it. i do remember the center shock axle had wheels because to install the adjustable limiter strap kit, the center shock axle was removed and replaced with an wheel-less axle that came with the kit. the old axle had the second wheel put back on and then bolted into the skid forward of the shock.
the schematic does show two wheels tho.

 

[jcjc1]

What are you looking at? The stab wheel? There has been 1 wheel on the expert for years now.
No problem there.


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the schematic shows two anti stab wheels on the '20 and '21 experts. didn't look at any other years but schematics have been wrong and/or brp makes a design change and things don't get updated.

 

[catrutt]

Sledmichigan on Instagram: "#braaap #stopandsmellthetwostroke #snowmobile @svenskaguldkorn"

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That is not a drive shaft issue when you slow it down.

 

[Teth-Air]

That is not a drive shaft issue when you slow it down.

I saw that video before and the guy commented that he thought it would be fun to try it without a limiter strap.

 

[Dazzler]

Might be a stop ride with the 2024 poos. Poo engineers thought it was a good idea not to put rail caps on and the hyfax is ripping off the track clips, and sometimes ripping the hyfax right off.
Another great engineering idea.

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Not sure I would call that engineering.. more like cheap bastages.. trying to save a $ on an extremely over priced sled…

 

[Dazzler]

Im talk about an automotive drive shaft.(ones built for off road in particular) you said in post #34 that they dont see side loads, well yes they do. The splines do see directional loads, more than the sled will ever see. If its built right it works..

And a sled driveshaft doesnt even move up and down. It just rotates.

Should be easy to make it work. Its made of tinfoil, so maybe it needs to be a bit beefier.


But then again, not many people are having an issue with it. So i guess its a non issue...

I think we are talking two different things here, there’s a twisting load on all driveshafts, not a side load on the tube like there is on the doo drive axle. But yes very few having issues but I’m thinking it’s a matter of time..

 

[lilduke]

I think we are talking two different things here, there’s a twisting load on all driveshafts, not a side load on the tube like there is on the doo drive axle. But yes very few having issues but I’m thinking it’s a matter of time..

When you hit a 3ft mogul at 100 mph in a 7000lbs trophy truck do you think it would put some kind of load on the drive shaft at all other than just twisting? The drive shaft cycles up and down with the axle and susupesion. You dont think that would put any kind of load on the splines of the drive shaft other than just twisting? Still talking auto drive shafts here. But no they dont have a track wrapped around them


High angle drive shaft:

its all been done before, there is 0 reason a 2 piece shaft with splines won't work on a skidoo.
other than being build too light.




Peace,

 

[Tchetek]

That is not a drive shaft issue when you slow it down.

 

[snochuk]

When you hit a 3ft mogul at 100 mph in a 7000lbs trophy truck do you think it would put some kind of load on the drive shaft at all other than just twisting? The drive shaft cycles up and down with the axle and susupesion. You dont think that would put any kind of load on the splines of the drive shaft other than just twisting? Still talking auto drive shafts here. But no they dont have a track wrapped around them


High angle drive shaft:

View attachment 277132

its all been done before, there is 0 reason a 2 piece shaft with splines won't work on a skidoo.
other than being build too light.




Peace,

Well actually the truck driveshaft slides in/out on splines so only end loaded and typically also carried by a steady bearing, not at all the same.
The sled has an uplift side load on the bottom spline, released and reloaded every time throttle applied and chopped.
Not at all the same dynamics on the spline for wear or magnifying play over time.
But I get how looking through a glass of doolaid makes things look a little murky and misrepresented........