I am trying to figure this out. If you mean 1/4 mile in horizontal distance produced a gain of 2000' in altitude you have a hill with an average angle of 56.57 degrees. Since, by the photograph, the hill bulges, it must have area's of an even greater angle near the bottom. I'm no expert in hill climbing, but this seems like an almost impossible angle to climb.

If you mean you travelled 1/4 mile in distance (along the slope of the hill) then it's impossible to have climbed 2000' (you didn't even travel that far - 1/4 mile = 1320').

Dropping a zero to get a 200' elevation change produces an average angle of around 8.6 to 8.7 degrees, which doesn't seem steep at all.

Angles calculated here.

Something is not adding up here. Is this that new math I keep hearing about?

 

pechmial, the cinder hill in AZ is the one that has the 2000' elevation, the one that bulges out is a culm dump in PA, its elevation is no where near 2000'.

But you are right on the angles some of the culm dumps around NE PA have angles exceeding 50 degrees.
Culm is very loose stuff so you can sit right over the rear tires and have your quad almost vertical since the fronts leave the hill face. Its the only way you get to the top, if you make it. the elevation of these dumps range from 100' to 500' high.

 

any dirtbikes make the hill?

 

Hey, thanks for the explanation!

So basically you sit over your rear tires climbing at angles exceeding 50 degrees for hundreds of feet...Remind me NOT to try this sometime!! Bet it's fun to watch though!

 

Yeah, you start out over the back wheels to get the most speed up the hill then as your revs drop or wheels come up you move forward to get a little wheelspin. Its alot of fun and if you screw up you can dig and chinup on the bars to stay put without rolling backwards (most of the time)

The culm hill in Pa that I pictured IS infact alot more impressive in person it wont take a good picture because of the buldge in the middle, and I will put $100 on the fact it is alot closer to 2000ft than it is to 200ft. I will bring gps next time I get there.

Does any one have any pictures of the Cinders in AZ? do they look similar in composition? I am thinking about getting a set of paddles just for hillshooting but this culm is pretty ruff.

 

Warrior007, There are a few guys that ran paddles in culm. they don't last too long(maybe a day of runs). They only used them for an extreme hill shoot. this hill is sadly being removed as i type. Heres the details:

The angle right after the transition was 59 degrees and stayed that way for most of the hill. during the last 15 feet the angles got smaller.
it had an elevation of 467'. I've only seen two quads make it with non paddle tires(they were both trinity built banshees - this was 7 years ago).
The main reason for needing paddles to get up this hill was the short take off. you only had 36' of running room before you hit the hill. (river in the way).

The last time i tried it was with my 87 quadracer (not the one i have now). I made it 10 feet shy of the top and dug in, luckly once you get this close to the top the angle is only about 45 degrees.

Now on the bikes it was much easier. CR500- no problems, RM250, little hairy but i made it. Tried it for fun on a xr200r- you can only guess how far i made it haha.

 

anyone got pics of the cinders?

 

Hey everyone, I just added a few photos in my profile of the Arizona Cinders. Check out the one that has a white speck in it - yes that's my quad going up a +500 footer. That isn't even the largest hill there!

 

Awesome! I like cinders and culm, its looks very similar to me.

 

warrior007, that hill you have the pic of is culm.

For those of you that don't know, culm is whats left over after they take anthracite coal from the mines to a breaker.
Culm is the resulting waste, it didn't have enough % coal to burn back in the day. Now it can be used for fuel and that is why some of these hills are being taken away.

Just for you west coast guys: We do have sand out here its just black since it comes from the culm. nothing like the dunes but its fun to play in