View Single Post
Old 08-09-2018, 09:41 PM   #202
woofa.express
Senior Member
 
woofa.express's Avatar
 
Join Date: Jan 2018
Location: Tocumwal, NSW, Australia
Posts: 1,149
Default Re: tell a Model A related story

Re the story I wrote on the 5th August.


An explanation on loosing oil from the sump. I explained the oil system some weeks back but for those who missed it here it is again.
The Pratt and Whitney radial engine has a dry sump. Oil collects from the cylinder tops, valves and rockers plus the crank case, in a small sump at the forward and bottom of the cylinders, between cylinders 5 and 6. You'll see this in the picture below. From there it is pumped to the oil tank which is attached to the airframe and that holds about 9 gallons. It was at this collector tank from which I lost the plug and therefore not a great quantity of oil was lost.
You can see a Pratt badge adhered to the collector sump. Engineers and others steal these as they are collector's items.
Attached Images
File Type: jpg r985.jpg (18.5 KB, 30 views)
__________________
I know many things,
But I don't know everything,
Sometimes I forget things.

And there are times when I have a long memory.
woofa.express is offline   Reply With Quote
Sponsored Links (Register now to hide all advertisements)