Here is a detail picture of the manometer construction.
The joints are made from drip irrigation fittings.
Four bucks for fifty 90 degree elbows and about three bucks for ten
"Tees". I held the elbows in place with a blob of hot glue
and sewed the clear plastic tubing to the backing board
with safety wire.

This is an essential tool for understanding your cooling system and your
engine air intake system. Without this you are doomed to a life
of misery in cooling hell.

Paul Lamar
 
The AirCraft Rotary Engine NewsLetter.              Powered by Linux.
ACRE NL web site.
http://home.earthlink.net/~rotaryeng/            http://www.linux.org