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Composite Helicopter International Ltd.

In Case You Missed it

Aero ‘lectrics

Heat and avionics don't get along all that well. Rather than installing a fan that runs all the time, Jim Weir suggests building and using a fan that runs only when you need it.

Lightweight D-Sub Connectors

Working on wiring recently, I became concerned about the weight of all the...

Terms and Conditions

“Customers are always right except in matters of money.” Those stark-but-telling words were emblazoned...

Wind Tunnel

Trike masts.