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Snowchecked a Pro-RMK, should I go with the Cammo Challenger Extreme?

Mountianhorse, Can you buy 3'' pitchdrivers to fit the stock driveshaft on the 2011's? If so, I may have a project to do before I even ride it. I am going to partout my 03 escape which has a perfect 162 camox under it. That would go right on my 2011 163 if the drivers are going to be available!
 
Call Robbie at Avid for a set of 3" pitch drivers. He built a set of (Exp) 3" pitch drivers for my 09 D8 with a 153" PC. They have worked perfect in over 350 miles so far. He may build you a set or have some already for the CE Ex.

akrevrider
 
Robbie (AVID) said hat he'll be making a set for the new drive shaft on the PRO's... (slightly different spline than the current IQ-RMK's)
 
I like.

http://www.snowestonline.com/forum/dto_garage.php?&do=viewvehicle&vehicle_id=1743

1788.jpg


1787.jpg


1786.jpg
 
^^^^^

Cool sled, but I hope the tank has bulkheads built into it. There would be some slushing going on when you got below 1/2 tank!
 
BugIto said:
^^^^^

Cool sled, but I hope the tank has bulkheads built into it. There would be some slushing going on when you got below 1/2 tank!
Click to expand...

I was actually worried about the slosh and the top heavy feel of the extra 4 gallons..cant even notice it..ever...trails, bumps, jumps,sidehilling,climbing...cant tell its not a stock tank..and the extra fuel under the middle of the sled vrs hanging on the back is much nicer....
 
That is does. It flies very well too. Ask my boy. LOL That is one awesome sled. Not much missing other than a hairdryer. Maybe next year if Mike doesn't sell it over the summer. He has more fun building them than he does riding them. He does an awesome job of building them. Wish I could say that about his riding skillz. :face-icon-small-win
 
theultrarider said:
That is does. It flies very well too. Ask my boy. LOL That is one awesome sled. Not much missing other than a hairdryer. Maybe next year if Mike doesn't sell it over the summer. He has more fun building them than he does riding them. He does an awesome job of building them. Wish I could say that about his riding skillz. :face-icon-small-win
Click to expand...

keep it up and I will show you how fast I can disassemble a pro rmk on the side of a hill next fall...:face-icon-small-sho:face-icon-small-hap
 
We have been cutting .200" off the CE 2.5 with a jig I have made. Cutting only .200 leaves enough of the very important notching. It makes a huge difference in clutch and belt temps over running the stock CE 2.5". Without cutting the track you can feel the flex of the chassis trying to shovel all that snow through the tunnel. It needs the clearance. Without cutting the track you will also notice running RPM problems (shifting) in deep snow. My .02
 
That is Why I'm a fan of the 156" x 15 x 2.5 x 3"-pitch with 7 tooth drivers... smaller drivers by .28 of an inch.

Sounds like a good system you have for trimming... any pics?
 
Like you point out... many people don't realize just how much better the better track works with the Correct amount of clearance.

"Not Rubbing" when on the stand is no way to figure if a track has the right clearance.

5/8 should be the minimum... 1" -1.25 is more ideal.

The front of the tunnel is not the problem... the roof is.

After braking on a hill last week, my stock track loaded up the roof of the tunnel so bad that the engine could not turn it out... Can you say "choke hold"???

I know that many of the CE 2.5" users in the IQ RMK Chassis say that it "rips" and no problems... but have you compared that to the same track with proper clearance?

Just my 2 cents.
 
mountainhorse said:
Like you point out... many people don't realize just how much better the better track works with the Correct amount of clearance.

"Not Rubbing" when on the stand is no way to figure if a track has the right clearance.

5/8 should be the minimum... 1" -1.25 is more ideal.

The front of the tunnel is not the problem... the roof is.

After braking on a hill last week, my stock track loaded up the roof of the tunnel so bad that the engine could not turn it out... Can you say "choke hold"???

I know that many of the CE 2.5" users in the IQ RMK Chassis say that it "rips" and no problems... but have you compared that to the same track with proper clearance?

Just my 2 cents.
Click to expand...

there is a difference for sure..Tim has the 163x2.5x 3 pitch track on his mod edge with no drop and 7 tooth drivers......I run the 163x2.5x2.86 pitch on my dragon with 8 tooth drivers and 3/4 down 1 back D&R...sleds are very very equal on the hill in most all conditions...until you hit 3 ft of fluff..then my sled goes where his is trenching...especially on take off...as equal as they are in all other conditions we put that solely on tunnel clearance or lack of....
 
AKSNOWRIDER said:
.until you hit 3 ft of fluff..then my sled goes where his is trenching...especially on take off...as equal as they are in all other conditions we put that solely on tunnel clearance or lack of....
Click to expand...
Why? I would think you might have a higher track speed at WOT, but the comment about at take off has me thinking. Maybe due to the increased load with the snow all jammed up and now compacted and frozen, and that requires more throttle, which after over comming the resistance, just spins the track and trenches?
I don't know..
 
ruffryder said:
Why? I would think you might have a higher track speed at WOT, but the comment about at take off has me thinking. Maybe due to the increased load with the snow all jammed up and now compacted and frozen, and that requires more throttle, which after over comming the resistance, just spins the track and trenches?
I don't know..
Click to expand...

combination of angle of attack and the snow in the tunnel I think..it was obvious the difference, you could see the snow in the tunnel when he would take off, just loaded up and I am sure it was holding track speed down and hurting power .....and the difference was present thru out the day...his sled was way down on track speed , yet the next ride after the snow settled sleds were once more almost identical in performance...it is the most obvious case I have seen of tunnel/angle of aproach differences in the real world...
 
AKSNOWRIDER said:
there is a difference for sure..Tim has the 163x2.5x 3 pitch track on his mod edge with no drop and 7 tooth drivers......I run the 163x2.5x2.86 pitch on my dragon with 8 tooth drivers and 3/4 down 1 back D&R...sleds are very very equal on the hill in most all conditions...until you hit 3 ft of fluff..then my sled goes where his is trenching...especially on take off...as equal as they are in all other conditions we put that solely on tunnel clearance or lack of....
Click to expand...

I am the Tim aksnowrider mentions here. In most conditions, I have as much track speed as Mikes D8 and can run with or out pull him. In the super deep soft pow, I could actually feel the vibration in my feet as the snow was trying to clearout. My track speed was down buy a good 15mph over what it normally is. Mind you this was an extreme day of deep fluff. That camo x just picks up enough of that pow and throws it into the tunnel and can't get it out fast enough. I could feel it on my wifes sled as well last week when I got it in similar conditions. A stock d8 155 ran circles around me literally. I could just feel and hear it plugging up. Very frustrating for sure. Now, the clearances are tight. Tigheter than they should be. I should have done a drop and roll on that sled for sure. I have learned my lesson. It's funny, even in the wet heavy spring snow, it does not plug. I am thinking that most of the snow goes out the back and not over the top and out the front.
 
I just got off the phone with Camoplast (1.5hr convo)... I'll be posting up some good info in another thread this week about tracks, clearance, tension etc... life is good!!



Did you get around to posting this info or did I miss it? I see Bruce from Tracks USA commented they recommend using the 2.86 drivers to not have problems with the CE tracks...
 
Haven't gotten around to writing that one up... This has become one of my summer projects.

I talked with Bruce for a while on the phone this morning at Tracks USA.

He is not saying that using 2.86" drivers give you "no problems"

What he IS saying is that the 2.86" tracks, which are made in one piece on a drum mold, are not failing like the 2.52 or the 3.0" pitch tracks are.

Not the driver... but the tracks themselves that are having the problems.
 
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