Jim Sower wrote:

Been followin' the multiple pump debate with considerable interest.  Seems to address
pump failure pretty well, fuel delivery failure not so well.  How much added current
draw does a redundant injection pump (not to mention a transfer pump for when an
injection pump fails) put on the electrical system?  How long will all this (required
navaids, EFI, Ignition, etc.) be available in the event of alternator failure?  Do we
now need another alternator?  Battery?  What is all this going to weigh?  Is second
alternator redundant or backup (driven from same/adjacent belt)?  If it is a really
truly backup, how do we propose to drive it?
Inquiring minds need to know ....         Jim S.

Jim you need the CD. We have had extensive discussion of all these factors.

Paul Lamar
 
The Aircraft Rotary Engine Newsletter.              Powered by Linux.

http://home.earthlink.net/~rotaryeng/            http://www.linux.org