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Kenny, gear selection/rpm doesn't matter, but you should keep the engine from lugging of course, make it run as efficiently as possible.
The data you need is:
1) Grade of the hill (%)
2) Weight of vehicle
3) Max speed you can drive up the hill
4) Tire size matters for the calculation (loaded...
Using the same formula, a previous drive shown in the image here yields a engine horsepower output of about 123HP for 52 MPH with the empty 16,000 lb deuce (w/crane).
In my MVM article on engine braking and downhill driving (#108, April 2005), I showed how to calculate the approximate engine HP based on the grade, speed and vehicle weight.
I have often played with those numbers after recording my own driving experiences and feel that the formula is fairly...
Hey Ryan,
I have been looking for some info that I thought was in this thread, but can't find... do you remember how fast you were driving up I-77 from NC into VA?
I like numbers, can't help it. :-)
Thanks,
I need to modify my previous post, because I once did get stuck driving into soft blue clay (old septic field). The thing is, I didn't need any outside help getting out. It took me an hour or so, but with the hydraulic outriggers, I was able to lift the vehicle and pile rocks, wood and whatever...
Sounds exciting! As you know operating one of these trucks over long distances requires some plannig, so as soon as you are able please, PM me directions to your respective places. I like to arrive in the morning, it's easier for me to stick to a schedule that way.
So Gary, have you designed...
Count me in too, and guys, collect used veggie oil, you should have no problem cutting fuel costs in half by running on 50-50 diesel-veggie oil on a trip like this (at least if you bring your deuce).
I'm really enjoying the PS Magazine search function...here is the torque multiplier:
http://www.steelsoldiers.com/index.php?set_albumName=album10&id=ps460_p24_25_5_ton_lug_nuts&name=gallery&include=view_photo.php
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