Well, Tracy, its sort of like flying 400 hours with a "Plugs Up" installation - can't possibly work - the "experts" have said so {:>).
It continues to amaze me (as it does you) how people can just accept something sprouted out by some little (or unknown) self-styled expert without attempt to ascertain whether there are any independent sources/ facts supporting that position.
As several individuals have pointed out most high powered (1500+) engines of WWII had planetary gear boxes not to mention the dozens of different turboprop engines. But, I guess all of that evidence does not out-weigh the opinions of "experts".
I have not done this but it would be interesting to calculate the teeth mesh area of one of the spur gear PSRU and then compare it to the area of the six pinion sun and planetary gear area engaged to transfer a similar amount of power. I could be wrong, but my gut feel is that the sun and planetary probably have more metal to metal contact area for transferring power than the Sun gear.
But, like I said - just a hunch, would be interesting to know. Anybody have a quick answer??
Ed
----- Original Message -----
Sent: Saturday, July 28, 2007 1:47 PM
Thought I'd see what else I was doing wrong so took a fresh look at the
geareddrives.com website.
The kiss of death for a set of gears is in not using the proper lubrication. Separate lubrication systems are required for safety and for proper engine and gear function. Sharing engine oil with the PSRU is asking for engine and/or PSRU failure in advance.
There is absolutely nothing I'm doing right!
But the company does not look like it is for sale though. But Gershwinder (Sp?) drive company is for sale now. Their chain drives were among the best I've seen.
Tracy