How to & Builder Tips

Ever wonder how to make a certain part with fiberglass or sheet metal? Or fix an oil leak? These tips can guide you and reduce the amount of head-scratching.

Sportsman Transfer Pump Filters

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I installed fuel filters between my tip tanks and Facet transfer pumps after one pump failed due to FOD. Facet specifies a 74 micron filter...

Trimming Doors

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I installed one of my doors today and I found a method that helped mark the door for trimming. I’m not sure if someone...

Keeping Oil Temperatures Low

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Sorting out the oil temperature issues and CHT temperature spread was a bit of a challenge. Extended climbs during Sydney summers had to be...
Cooling ramps improve airflow

Cooling Ramps

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

Baffles Reduce Cylinder Temperatures

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This is a technical tip for the cylinder baffling modifications we’ve come up with for the IO-360 and IO-375 engines. The windows in front...
GlaStar nose wheel bearings. Photo: Arlo Reeves.

Wheel Bearings

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I was concerned about the salty sand we landed on in Baja corroding my wheels, so I rinsed them off and went flying, but...

Same Wheelpants, Bigger Wheels?

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Since I'm due soon for another set of tires I was wondering if the 380-150x5, (basically a 6.00x5), would fit into my wheel pants...

Baffle Seals

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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...
Sportsman fuel sender unit

How Much Fuel Do We Have?

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We occasionally get a sticky fuel sending unit and have come up with a few minor adjustments to the Stewart Warner fuel sending units...
Glastar scissor jack

Lightweight Jack

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In a GAOA newsletter a few years ago there were pictures and a description of an aluminum L-bracket that could be bolted on the...