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Pros and cons between a 121 or 136

snowdreamin said:
Ya I can`t wait to drive the new bus around.
20in wheels and lowprofile performance tires.
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Well if it looks like a bus, is the same length of a bus, rides like a bus, then chances are it is a bus... :moon:
 

RX-1 ERLE To ATTAK

I purchased a 121 RX-1 in February 05 and I decided to change it to a 136 in March.

The 121 to 136 small hp loss in unnoticable however the gain in every other area is most noticable.
 
snowdreamin said:
Apex_GT said:
Well you can drive a bus or a ferrari...
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Hey Apex_ GT I got a 116in track and skid from my 76 SRX if that 121 is to much for you to handle. :drink:
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ummm no thats ok...The 121 Apex_GT aka Ferrari is perfectly suited for my a corner carving, fighter-jet inspiring, adrenaline pumping style of riding..But thanks :Rockon:
 
I'm toying with the idea of setting my 07 RTX up so I can swap back and forth between a 1" lugged 121x15" track with 144 studs for regular trail use and a 1.75" lugged 136x16" track for exploring farther north and hauling stuff in/out of the cottage.

Some of our northern saddle bag trips have got us in situations where we are on the edge of getting stuck all the time and almost not being able to make it to the next destination. Wanting to push it farther into more remote territory a wide, deep lugged 136" seems like a smarter compromise.

The biggest challenge I figure is setting it up so I can, with only a few bolts, extend and shorten the tunnel as required.

For tight, twisty trails there is no way I can make a 136" track do as well as a 121" track and I find it hard to believe others can. By tight, twisty I mean twisty enough that even 30mph is drifting around each corner on hardpack (the type of trail where 30 minutes of this is a huge workout).

I agree that if the corners are big enough that I can keep the speed up, I don't think a 136" holds the sled back much at all.
 
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Not pictured 1976 &1980 SRX 99VMax dlx AND 97XTC
 

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While drifting a 121 through the corners feels faster and is a helluva lot of fun, as LB mentions the 121 just can't put the power down... a little smoother through the turn with the hook up on exit makes this sled quicker (but it dosn't feel like it). You'll probably be happier.
 
A 121 can be set into a drift to slow down, very quickly, then continue through the corner in one smooth movement. This can get you out of trouble after entering a corner a little faster than you should have pretty easily. Same move on anything that won't break into a drift easily can have you on your head. They'll high side. It's a differrent driving style..... If you can get your 136 to do that - then great, no argument. But I haven't seen many 136's drifting through corners.... not regularly anyway.

No argument on which has more traction. FWIW
 
bjowett said:
While drifting a 121 through the corners feels faster and is a helluva lot of fun, as LB mentions the 121 just can't put the power down... a little smoother through the turn with the hook up on exit makes this sled quicker (but it dosn't feel like it). You'll probably be happier.
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On these tight hard packed trails, putting the power down isn't the issue. Getting the sled to rotate and change direction is.

Although I'm sure somewhere there is someone, I have yet to find anyone who can keep up with me on extremely tight, twisty trails (at least until I tire out). My technique is smooth and continuous from threshold braking, a smooth transition into cornering at the limit (with a very slight drift) with me hanging far off the inside of the sled, followed by a smooth rollout on the throttle on the exit. Also, when I say threshold braking, I do mean braking at the limit of traction as late as possible, not engine braking. I totally agree with you, smooth in, out and around the corners is the way to getting through them fast. I don't tend to lockup or spin the track (at least the trails are well set up).

A 136 might accelerate faster in a straight line in certain conditions but I've never been into drag racing. For strictly trail use on hard packed trails I just can't see the advantage to a 136" track. BTW, my cars spend time on the track road racing too, not drag racing and when I want to go fast on a sled I use exactly the same technique.
 
snowdreamin said:
To bad I couldnt get all this feed back before I bought the sled.
Doesent really matter any more. :drink:
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Its still a controversial subject (as you can see) and even I seriously considered getting an Attak.

A 136" is definitely better on fresh snow, far better in deep snow, more stable at very high speeds, bridges the bumps better (smoother ride), typically faster and quicker out on a non-groomed lake, and many will argue that the longer track looks better than the shorter track on the Apex.

The only place a 121" has an advantage is on very twisty trails. Most trails are not twisty enough to really slow down a 136". One other minor advantage is a 121" might fit in a smaller trailer.

You didn't make a bad choice.
 
I no Ill be happy with the sled,after riding a viper for the last 10,000 miles or so. the viper is a great sled but I was never satisfied with the ride.

I do apreciat all the feed back now I just need snow so I can ride the thing.
My throttle thumb wont stop twitching.
I need another Drink :drink: :drink:
 
It's silly to argue, we all enjoy our set-ups and feel they work the best for what we do... and what is it that we do?... enjoy riding these awesome things!
 
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