track approuch angle

[vmax1200]

For all those hill climbers out there how does one find the approuch angle degree when setting up the track suspension verses tunnel height ,open to all oppions

 

[winter brew]

Not sure I understand the question.....approach angle is the angle of the track in relation to flat ground. But I think you're looking for something different??

 

[sled_guy]

And 'static' approach angle means very little... shock leverage, shock angle, spring tension, etc all affect the actually approach angle when you wack the throttle.

But like winter brew states what it is. You move the front/rear mount up and down in the tunnel to get the angle you want relative to the ground.

sled_guy

 

[1Mike900]

Your probably looking for the optimum angle of attack, Like mentioned previously it varies with throttle, Shallower at rest and steeper with torque applied, If it wheelies too much, The angle will be too steep! Try to keep the skiis about 4 to 6" off the snow on a good climb.

Mike

 

[LRD]

Just to stir the pot a little.

I try to figure it this way:
The way your looking at it I call "Static Track Approach Angle"

The other way could drive you a bit nuts "Dynamic Track Approach Angle".
Example, what happens to the approach angle with a uncoupled skid when the rear arm compresses a bunch more than the front arm as compared to a coupled skid when the rear arm compresses and it forces the front arm to also compress?

Good Luck

 

[KAWGRN]

Go on timbersleds site and watch their short video and it will make more sence

 

[LRD]

I built a 32 lb skid with my own rear arm (copy of Yami rear arm in principal which is very similar to Timbersleds) this was before release of Timbersled arm.

Good Luck

 

[svensdream]

optimum static approach should be 20 to 24 degrees, as a general rule of thumb

 

[sled_guy]

optimum static approach should be 20 to 24 degrees, as a general rule of thumb

Mmmm.... I'd argue static approach angle doesn't matter much.

Put a Holz rear end under a sled and measure the static approach angle and you'll be freaked out by how steep it is.

Then go ride it in the bottomless fluff and you'll be freaked out at how much better it pops up on plane on the snow and how well it performs in the deep fluffy snow.

sled_guy

 

[mattymac]

Put a Holz rear end under a sled and measure the static approach angle and you'll be freaked out by how steep it is.

Then go ride it in the bottomless fluff and you'll be freaked out at how much better it pops up on plane on the snow and how well it performs in the deep fluffy snow.

sled_guy

YEP!


I measured mine under my 1200 when I built it but cant remember now what it actually measured out to but I was kinda like, hummm? Seems kinda steep! Although it does go through the powder good, even with the finger track!