Acuracy?
What kind of sensors are you using? Here's been my experience on the same airplane (RV10 with AFP injection):
VDO sender: reads 27 PSI
Stewart-Warner: reads 30 PSi
Kavlico: reads 22 PSI
All I did was change out senders and change the calibration table appropriate to the sender. I need to get an accurate direct-reading gauge and stick it on there. However, I noticed in some of Rob Hickman's pictures that his reads 22 PSI with the Kavlico sender as well, so I'm thinking it's OK.
Vic
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 Vic Syracuse
Built RV-4, RV-6, 2-RV-10's, RV-7A, RV-8, Prescott Pusher, Kitfox Model II, Kitfox Speedster, Kitfox 7 Super Sport, Just Superstol, DAR, A&P/IA, EAA Tech Counselor/Flight Advisor, CFII-ASMEL/ASES
Kitplanes "Unairworthy" monthly feature
EAA Sport Aviation "Checkpoints" column
EAA Homebuilt Council Chair/member EAA BOD
Author "Pre-Buy Guide for Amateur-Built Aircraft"
www.Baselegaviation.com
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