The How Fast is the simple, easy, and inexpensive way to measure your model's airpeed. It provides at-the-field readings right after your flight. No computer or additional equipment is needed. 15 MPH to 500 MPH range, 1 MPH Resolution.
Buy Online: $44.90
Optional accessory for the How High and How Fast, displays data without finger waving or flash counting. No added weight to the plane. Unlocks a capability built into all How High and How Fast units to capture command triggered readings and up to 9 altitudes / airspeeds plus peak for each flight.
Buy Online: $34.90