That is why I run a an input on the static, from both sides of the fuselage, with a tee running to the instruments. Then it balances out.
See N64KR at http://KRBuilder.org - Then click on the pics See you at the 2012 - KR Gathering in Mt. Vernon, Il MVN 40th Anniversary There is a time for building and it is over. Daniel R. Heath - Lexington, SC -----Original Message----- If the pitot and static tubes are not aligned with the direction of flight they are inaccurate by some amount. I once took off and shortly after liftoff it appeared the ASI reading was rather low.