Mods

Builders are awesome tinkerers and inventors, and they come up with improvements to the original design. Luckily they aren’t’ shy about sharing information!

Ventral Fin for Yaw Stability

Most components added to a plane forward of the center of lift usually have a negative effect on directional stability (other than canards perhaps)....
Cargo door mod installed on the GlaStar

Glastar Cargo Door Mod

Production and delivery of the large size baggage door kit has been going very well. To get an idea of the scope of the retrofit,...
servo-tab-clevis-rod

GlaStar Aileron Servo Tab

This is an old topic, however I would like to point out what I have experienced. After my first flight in N12YR (July 2012),...
A GlaStar fuselage undergoing load testing at Glasair

GlaStar Cargo Door Update

Recently I have received several inquiries about the engineering of the aft baggage door for the GlaStar. I have responded that there will not...
New Sportsman tailwheel spring.

Tailwheel Springs

I’ve never been entirely satisfied with the way the tailwheel leaf springs are secured to the tail cone, especially when banging them off of...

Battery Backup

Two Weeks To Taxi Sportsman have been all built using one of two Odyssey motorcycle batteries. Most taildraggers were built using the PC 680...
GlaStar enlarged cargo door modification

Large Baggage Door for the GlaStar

If you ever thought about installing a larger cargo door for your GlaStar, now is your chance to do it. When the Glasair factory was...
Figure 1. Schematic Diagram, Digital TDR Fuel Transfer Controller

Fuel Transfer Controller – Lower Cost Version

The fuel transfer controller in this article using an off-the-shelf Time Delay Relay (TDR) yields a simple, effective circuit for this critical function. But...
Auto-Timer parts

Fuel Transfer Pump Auto-Timer Group Purchase

It’s been a while since we made a group purchase and the gang had started suffering from withdrawal symptoms, but luckily Rocky Morrison stepped...

BRS System Available for GlaStar & Sportsman

Through the efforts of GAOA member Chris Bowles, an engineered package system using off the shelf BRS components in a soft pack is available...