Airspeed Instrument for Model Aircraft
How Fast Airspeed
• A Complete Airspeed System
--- No interface, computer, or additional equipment needed
--- Includes Pitot and static probes that mount in the wing
--- Tiny, lightweight (2.7 gram) circuit board
--- Plugs into your receiver or any 3.2V to 12V battery
• Simple to Use
--- Light Emitting Diode (LED) used for communication
--- Cycle the power off and on, or wave your finger over the LED to
----activate the maximum airspeed report
--- Simply count the flashes:
------flash--flash-flash--flash-flash-flash = 123 MPH
• Compatible with the See How Display
--- Optional See How display accessory adds convenience and capability:
----- Capture up to 9 in-flight speeds
----- Expands the resolution to 0.1 MPH (or km/h)
----- 10 flight memory
Download the instruction sheet for complete details.
•• Check out customer Bret Becker's nifty video of his independent tests
of the How Fast vs a radar gun. YouTube Link
* Note: The How Fast provides airspeed information after your flight is
complete. It does not output real-time airspeed during your flight.
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*.
• Precision Instrument
--- 15 to 500 MPH (24 to 800 km/h) airspeed
--- 1 MPH (1 km/h) resolution
--- User selectable English or metric output
--- Uses the same differential pressure sensing method
----as full-scale aircraft
Sensor Tube Set
The set includes a Pitot probe (straight through), a
static probe (end-plugged with predrilled side holes),
and 12-inches of thin-wall silicone connecting tubing.
The probes are aluminum, 1/8-inch in diameter, and
4-inches long. These are identical to the probes
included with the How Fast unit. Use to replace
damaged probes or mount in a second plane.
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