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socalmoto
December 28th, 2008, 12:09
Im not saying Im going to do this, but it just popped into my head and Im curious: What would the advantages and disadvantages be to using very stiff shocks as motor+tranny mounts? I was thinking something similar to the stiffness of a bumpstop, but maybe something that can ride in the middle of the stroke (maybe 0.5" up and down). If you had them on the engine and tranny, could it help save a driveline? Would the motor last a little longer being as how it is more isolated from rough landings and hits? There will probably be a slight acceleration lag as the engine and tranny will use some of the torque to move the mounts, but would the pros outweigh the cons?

Just free think on this one and toss out ideas
Zambo
December 28th, 2008, 15:53
What's going to happen when one of those mounts leaks or blows a seal and the fluid comes out? I'm guessing the result would be a motor no longer attached to the truck.
socalmoto
December 28th, 2008, 18:06
Yes thats a possibility, but if its setup correctly it shouldnt. Hydro bumpstops can take very large hits with the entire truck weight on them.
John F2000
December 28th, 2008, 23:14
solid mounts are best if you dont mind the vibration. You dont want movement.

Re motor and tranny lasting longer. Its not the physical movement of the motor and tranny that causes failure its the hammering of the driveline from the tires thru the driveline to the motor.
Big Mac
December 30th, 2008, 09:19
solid mounts are best if you dont mind the vibration. You dont want movement.

Re motor and tranny lasting longer. Its not the physical movement of the motor and tranny that causes failure its the hammering of the driveline from the tires thru the driveline to the motor.

With that said, is it better to be on the gas or coasting when landing? I would assume on the gas as that is the best way on a bike (which is what I am used to). Thanks

Mac
Scott_F
December 30th, 2008, 18:52
IMO, it is best to try to match your tire speed with your ground speed for the least drivetrain impact. I would err towards having slightly faster tire speed upon landing. If you keep your rpms about the same or a little less, and you lose some speed in the air, it should work out. If you let it rev out in the air, you can snap axles and other parts upon landing.