2.4 track by 2.86 under an edge?

[theultrarider]

The question is will this track fit with 8 tooth 2.86 drivers without a drop and roll? The stock drivers are 2.52 by 9 tooth. I have been out of school way too long to do the math on those and try to figure the diameter of each without having them in front of me and using a tapemeasure.

What I am thinking of doing is putting a stock 163 2.4 d8 track under my edge that is currently a 159 2" with 2.52 pitch. I am not worried about the extra 4" of length, I should have that covered. I know I can buy 8 tooth 2.86's but have not seen any 7 tooth for an edge driveshaft. Has anyone done this?

 

[AKSNOWRIDER]

The question is will this track fit with 8 tooth 2.86 drivers without a drop and roll? The stock drivers are 2.52 by 9 tooth. I have been out of school way too long to do the math on those and try to figure the diameter of each without having them in front of me and using a tapemeasure.

What I am thinking of doing is putting a stock 163 2.4 d8 track under my edge that is currently a 159 2" with 2.52 pitch. I am not worried about the extra 4" of length, I should have that covered. I know I can buy 8 tooth 2.86's but have not seen any 7 tooth for an edge driveshaft. Has anyone done this?

me thinks we are going to be doing this...dont you?
just picked my sled up from getting the update...so hopefully in a few days your track is going to be laying on the floor....:face-icon-small-hap

 

[TEC800]

please post up any findings you come up with good or bad as I am considering doing this same swap with my IQ stuff to my edge

 

[theultrarider]

me thinks we are going to be doing this...dont you?
just picked my sled up from getting the update...so hopefully in a few days your track is going to be laying on the floor....:face-icon-small-hap

I was too busy at work today to call and ask Curt. Thought I would try here and see if anyone has done this or atleast knows what the diameter of the 2 drivers are. Tommorrow doesn't look good either since we are short handed again. Weatherman says no snow anytime soon anyway so I quess there is no rush.

 

[ragingwong]

driver diameter

9 tooth x 2.52 drivers are 7.25" diameter

 

[ragingwong]

drivers

sorry i'm retarded, 8tooth 2.86 are 7.280" diameter,7 tooth 2.86 are6.375" hope that helps,don't know if there is enough room for a 2.4" track

 

[mountainhorse]

I dont know of any 7 tooth 2.86 pitch drivers...

I think it will be tight in there for a 2.4" lug... even though you have less teeth, the pitch is larger and the driver is a bit larger.

2.86" x 8 teeth = 22.8" circumference (this is stock on the RAW RMK)
3" x 8 teeth = 24" circumference
3" x 7 teeth = 21" circumference

2.52" pitch x 9 tooth.... 7.22" diameter ... 3.61" radius
2.86" pitch x 8 tooth.... 7.25" diameter ... 3.625" radius
3" pitch x 8 tooth.... 7.64" diameter ... 3.82" radius
3" pitch x 7 tooth.... 6.68" diameter ... 3.34" radius

 

[mountainhorse]

Also... it is not weather or not you can "fit" it in...

It is having good clearance, at least 1/2 + all around to make it work well and not make a big drag on your sled...

The track that is in there is pretty phenominal in all but the deepest, dry fluff.

The 5.1 will give you less controll on downhills, IMO.

 

[RMKcowboy]

Less downhill control than a Series IV? That would be scary!

 

[Rick!]

Hate to be a party pooper but with an 8 tooth 2.86 pitch axle, a 2.4" track won't fit in a stock edge. A 9 tooth 2.52 pitch axle diameter is typically around 7.06 to maybe 7.1, at least that's how they are from the factory. If you go to a u-cooler and take out the center cooler, you can make the 8 tooth 2.86 with the 2.4 work. I think sled_guy did that to his buggy. Please note that the Edge tunnel is way wider than the IQ so the IQ axle is not a drop-in. There might be an older Pro X tubular shaft that the drivers can be pressed on to.

 

[sled_guy]

I put the 2.52 pitch 2.4 under my Edges. I roll the chaincase to get enough clearance. Some I replace the cooler, but on a couple I have left the front cooler in and with the drop (5/8" Holz) the track fits nicely with sufficient clearance.

I don't know about the bigger pitch tracks.

sled_guy

 

[theultrarider]

I dont know of any 7 tooth 2.86 pitch drivers...

I think it will be tight in there for a 2.4" lug... even though you have less teeth, the pitch is larger and the driver is a bit larger.

Thank you MH for doing the math. Since I posted this question, I came across a killer deal on a 2.5 camo extreme in a 3.0 pitch. With the driver dims you put up, I should be ok with the 7 tooth 3.0 drivers and the 2.5... I would love to do the drop and roll as well, but just isn't going to happen this year.
Thanks guys