John W. Thorp has had a profound influence on both homebuilding and on aviation in general. If you've flown Piper Cherokees or know of the all-flying tail, you're familiar with his design principles, and his T-18 is still a favorite worldwide.
There are many ways to check the accuracy of your airplanes tachometer. From the commonplace to the offbeat, Jim Weir explains their benefits and drawbacks.