any cure for porpoising sled in deep snow

[imdoo'n]

in quartz creek sledding last year in deep powder snow and the sled was porpoising, for lack of a better term. rear end would drop and the front to the sky, any suspension adjustments to correct this, spent a while digging it out. 08 xp 154 track. must say the snow was deep and no bottom and not a young gun to be seen anywhere

 

[tex78]

Loose the fat kid off the back to push.























Mabe Ur sled is so used to being track side up it was trying to buck ya off.



sent from my htc

 

[tex78]

Buy the rear sizzor relocates.

They say it helps Larry. Dunno mine had them on when I bought it.

Bandit power coat on doo talk sells and makes them. He's from 100 mile house.

sent from my htc

 

[underdog]

You weren't following your GPS, were you?

 

[Bogger]

When did you get far enough out of the parking lot to have this problem??????

 

[Mike270412]

Track side goes down, stays on the snow (and water) a lot better

 

[mareshow]

in quartz creek sledding last year in deep powder snow and the sled was porpoising, for lack of a better term. rear end would drop and the front to the sky, any suspension adjustments to correct this, spent a while digging it out. 08 xp 154 track. must say the snow was deep and no bottom and not a young gun to be seen anywhere

Tighten your cowboy strap down, (the strap at the front of the skid, have it on the tighest setting. if it is already then i'm stumped)

 

[takethebounce]

Stock 08 I would start like this.

Rear springs on the heaviest setting if stock springs, setting 1 or 2 if the fat boy springs. By the way I am 150 pounds and I run the heavier springs. The stock springs are for guys like Tex who sit on the trail and watch The relocate brackets do work as well, but I still find the spring force of the stock springs to be too light.

Center shock, if an X, back off the adjuster and then just two turns on the adjust to put a light load on the spring. If an Everest, adjustment 1 or 2.

Limiter strap, stock, or up one hole tighter.

Front springs, if an X, a light load with the adjuster, maybe 1/4 on the adjuster. Everest setting 2.

Next, rider postioning. Get further ahead on the sled. If running a tall riser consider a shorter one to be able to get ahead.

 

[tex78]

Now now.

Mine a 10 and don't have the weak rear springs bad shock angle.

So what Ur saying is have them kranked up ??



sent from my htc

 

[takethebounce]

Now now.

Mine a 10 and don't have the weak rear springs bad shock angle.

So what Ur saying is have them kranked up ??



sent from my htc

Your rear torsion springs are not the stockers? The heavier torsion springs have a different rate than the stockers that were made for an eleventeen year old school girl. Cranking the stock springs works, but not as good as running the heavier springs on a lower setting.

The only difference in your 10 and the 08 is the front shocks length and slight change to the rail geometry. The 08/09 actually did better in the deep. The change from 2010 onward was to make the sled feel lighter on the skis and allow to tip over easier.

The relocate brackets do not cure inadequate spring rates. They do help in the weight transfer and firming up the rear suspension, reducing the appearence of sag. Most people are always worried about the sag. A certain amout of sag is desirerable as it allows the skid to drop out of the tunnel in deep snow. If it is always already push out of the tunnel it doesn't allow the suspension to work.

The 2011 Freerides were a prime example. They moved the drop brackets rearward and the thing was a trencher. Following winter they were in the Summit location.

Personally I have never been sold on the relocate brackets. Some say they work for them and keep the skis down which I do agree will do as the rear scissor mounting point is moved back but it is also adding an increase in spring load that helps make it work better. Hence why heavier springs would have been a better fix from the beggining.

 

[tex78]

Huh. Well there ya go.

Didn't know I needed to get fat kid springs too.

sent from my htc

 

[imdoo'n]

Huh. Well there ya go.

Didn't know I needed to get fat kid springs too.

sent from my htc

oh you need fat boy springs all right. hehe

 

[imdoo'n]

i was thinking it may have had something to do with the way it was set up for spring snow, as i hadn't changed any settings. must say it was an excellent rodeo ride, i think i held on for 8 seconds, got a 9.0 score and a belt buckle hehe. friggin stuck , spent an hour digging. hehe