does the atlas distribute 100% power to an axle if only that axle is engaged? i.e., i have the rear axle stick in neutral, and the front axle stick in low range, will i get 100% power to the front, or a 50/50 split?

conversely, if i grenaded my rear ring and pinion and had to disconnect my driveshaft and run on FWD LO range only with a regular part time case (think np208, np231, np205, etc), would the power be sent 50/50, or 100% to my front axle?

if the atlas II can send 100% power to EITHER axle, that'd be a big bonus (unless something else can do it too, and for far cheaper).

You can run front wheel drive, rear wheel drive, 4 wheel, 2 wheel, anything you really want.

Dana 20, Dana 300, Np205's, and I'm sure some others can be twin sticked for the same features.

yeah but i want to know if the torque split will be 50/50 or 100%

Well if yer in front wheel, you have 100%, Rear wheel 100%, 4 wheel 50/50. There is no differential action in case. It's either locked or unlocked.

ok now how about a regular part time case in lo range? if you unlock the front hubs, will it still deliver a 50/50 split between the two driveshafts? or will it deliver 100% to the rear axle?

Think of it as more of what the wheels need...If all 4 are engaged then 100% of power is split between them, if only 2 are engaged, then 100% is split between them...make sense?

There are a few cases out there that have an 80/20 or 60/40 torque split. The t-cases actually have differentials in them.

Hummers have t-case like this. Normal driving is High. Then there is high lock, nuetral, and low lock.

The differential action in these cases act just like an open diff in an axle. If you dropped the rear driveline, they will not move in high. Even though a certain percetage of torque goes to the front while driving, it needs some resistance from the rear to function. Just like an open diff in an axle. If you lift a tire, the torque goes to the path of least resistance which is the tire in the air. Once you select high lock or low lock, you would be able to move again.

all the cases you mentioned are a solid connection type drive system (ie: no differential, no vicious(sp?) coupling) using a chain or gears to transfer power to the front and rear output shafts. when 4wd is engaged, the power is theoretically split 50/50 between front and rear output shafts - no matter if they have driveshafts, axles,lockers, tires, or anything else attached to them...but -there will technically be a power variance between the two depending on traction (resistance). so if you threw your rear drive shaft and put it in 4wd, you might have near 90% of your engines power beint transferred to the front...hope this clears it up a little and not confuses you more :)


:usa:

thanks yellowsub, that was the answer i was looking for :)