Cooling ramps improve airflow

Cooling Ramps

These are cowling inlet ramps that help significantly with keeping cylinder head temperatures down during extended climbs in hot weather. They can be ordered...

Baffle Seals

Good baffle seals are critical if the airplane is to spend time hanging on the prop at full throttle. These are AMS3320-spec glass-reinforced silicone, using...
Chuck Yeager in front of the Bell X-1. Photo: U.S. Air Force.

Are You a Test Pilot?

Who do you think of when you hear the term, ‘Test Pilot’? I’d bet many, if not most of you, think first of Chuck...
bug plug - prevent insects from crawling in

Bug Plug

How to make an inexpensive plug to keep bugs out of your airplane Buy a 100-pack of bright orange “fuzzy sticks." Used to be commonly...

Oshkosh AirVenture 2011

Written by Greg and Sue Prentiss Well, here we are at AirVenture 2011, aka Oshkosh. It’s a great time to be alive and be able...
FAA Advisory Circular 90-109A

Advisory Circular: How to Stay Safe in Unfamiliar Aircraft

New AC advises pilots on how to stay safe in unfamiliar aircraft Experimental airplane flights represent only a small component of total general aviation (GA)...

Taming the Tail Wheel Shimmy

Written by Will Fox, Technical Counselor, EAA Chapter 691, Los Alamos, New Mexico Ever had a tail wheel shimmy on you? If you haven’t, consider...

Oshkosh AirVenture 2009

Written by Greg and Sue Prentiss  For starters, we didn’t beat out the RV aficionados. It was close though, 400+ RVs and 19 Glasairs. I’m not...

Sensenich Fixed-Pitch Propeller Nomenclature and Repitching

Sensenich aluminum fixed-pitch propeller model designation system EXAMPLE..._70CM6S16-0-79_ _  Special letter prefix to identify accessories or composition of propeller. Current letters include 'S' for STC...
SilverHawk EX

Safety alert: Precision Airmotive Fuel Injection Servos

Attention All Owners of aircraft with Lycoming Fuel Injected Engines. Please read these safety alerts from Precision Airmotive. Hex plug 383493 coming loose from regulator cover. Service...