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!

A New Water Rudder Design

11
Although I have greatly enjoyed my Sportsman’s amphibious floats (Clamar 2500’s) over the past 9 years, there have been a few issues that have...

Build Your Own Auxiliary Fuel Tanks

2
Soon after purchasing my GlaStar, N757C, from her original owner and builder I contacted Glasair Aviation and inquired about the price of factory-built auxiliary...
sportsman nosewheel lift

Sportsman Nosewheel Lift

4
My trip to Alaska spurred me to look for ways to increase the prop-to-ground clearance of my Sportsman. Since increasing the size of the...
GlaStar towbar storage Click Bond mount

Tow-Bar Rack

7
Steve and I like to have a fairly organized baggage compartment. And what is more frustrating than trying to find your tow-bar when you...
New glass installed. Note the 12" spun aluminum wheels and bead locks.

The “SuperStar”

50
Recently, I worked with a friend from San Diego after he purchased a GlaStar that had briefly flown. He wanted the GlaStar to undergo a complete make-over plus some upgrades.
Cowl-piano-hinge

Cowl Piano Hinge

5
A piano hinge for the cowl provides a sleek look with no visible fasteners on the outside. It takes a bit more work to...
Flap Gap Seal Sportsman N11YM_02

Flap Gap Seals Reduce Stall Speed

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One of my goals is to obtain as low of a stall speed as reasonably possible. Enlarging the wing and flap area and reducing...
Setzman N11YM

Setzman N11YM Maiden Flight

0
I conduct most of the Phase 1 initial flights on Sportsman aircraft that are born out of the TWTT program. Even though I am...
The Power Flow system (left) has a much larger final exhaust pipe and a smaller heater muff compared to the standard system (right).

Perking up the Performance of a Glasair Sportsman

10
More power. Everyone wants it, but how do you get a real performance increase without tearing your engine apart? Power Flow Systems, Inc. has...
Steve Brault's Sportsman landing at Arlington Municipal. Photo by Terry Green/Hawg Wild Photography.

Cylinder Head and Oil Temperature Management on a Glasair Sportsman

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There have been numerous threads on the Glasair Owners Forum related to engine cooling and dealing with high oil temperatures and high cylinder head...