A hangar neighbor has a Velocity with a 13b with a Ross re-drive. 25 year

old project that is licensed and flew once. He's 85 years young now and
trying to revive the project. Newly rebuilt engine. He seems confused about
lubricating the Ross drive and wanted to fill it with oil. I convinced him
to feed engine oil with a 1/16" restrictor to the top and add a drain line
from the bottom. Currently that is 1/4" id hose. Will this work? He is concerned
about blowing out the seals, as he had that problem initially, and that led him
to remove the feed line for a time. Can't find the documentation from Ross.

BTW, this aircraft is planned to be put up for sale soon. Anyone interested?

Thanks for any help,

Mark Curley

If the drain is large enough there should be no pressure build up to blow the seals.
The temperature is anther matter so use Teflon seals. Part 10.

Paul Lamar



Hi Mark,

Where is the airplane located,  I would like to look at it -if it somewhat close.
I’m in San Antonio, Tx.

Thanks Doug Cash


 
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