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Vent Check Valve

Because my vent system still allowed fuel to vent in a nice stream when topped off and turning on the ground or parked on...

Drilling Tips

With so many holes that need to be drilled in a typical GlaStar or Sportsman, it pays to learn some tricks to do it...

Spin Testing the Glasair RG

Written by Bob Herendeen Earlier this year I was asked by Bob Gavinsky, Vice President of engineering at Stoddard-Hamilton Aircraft, if I would be interested in...

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...

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ARTICLES YOU MAY HAVE MISSED