Standard Brown & Blue Please Specify Panel Tilt Angle On Order. All Instruments not specified will be 0-degree tilt. Vacuum artificial horizon are controlled by air driven precision gyros to present the pilot with pitch and roll information. The attractive color scheme of blue sky and brown ground presents a realistic spherical display of flight. Unless otherwise indicated all instruments have a dark blue/brown display, fixed pointer and are unlighted. This is the "standard" display.Exchange core must be a like core* and the core must be returned no later than 20 days from the invoice date to receive core credit. All RCA22 gyros are acceptable cores for 10-05439, 10-05870, 10-05872. Only RCA22-7F is an acceptable core for 10-05869.All RC Allen vacuum gyros run off of 4.5" Hg, erect time is 3 min.*Instruments equipped with a warning flag will let you know when vacuum has dropped below 3.8" Hg. Flag retracts from view at 4.3" Hg.Review "Model Specifications" tab before finalizing order* Instrument fits in a standard 3-1/8" panel cutout. 1/4"-18 NPTF nylon tube slip fitting is recommended for vacuum hose installation. 1/8"-27 NPTF nylon tube slip fitting is recommended for vacuum gage installation.
