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TCW AIRSPEED SWITCH 100 KNT

$46.70/Each
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Part# 11-08534
MFR Model# ASW-1

Overview

Airspeed switch for triggering 2 speed function.
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Reviews

We installed the switch and set the switch to toggle at the correct airspeed, and checked the operation. The switch worked positively as advertised. Thank you George Boggs President Boggs Avionics Inc.

Boggs A
March 23, 2017

After installing this switch, there was a leak in the aircraft static system. I traced the leak to this switch. The static port on the switch is vented to the interior of the switch case. And the case is not airtight. I disconnected this airspeed switch from the static system and vented the switch to the cabin instead. I had also purchased a 40 knot airspeed switch and it leaked through the case too.

Joe G
August 1, 2017

Q&A

Q: What size hose should be used for pitot static connections?

You would need a 1/4" OD hose.

Q: Can I use the switch (only) to control a low voltage relay?

Per the manufacturer: Yes, the TCW airspeed switch can be used to control a low voltage relay.

Q: Is this TCW airspeed switch normally closed or normally opened switch?

Normally open below airspeed set switch.

Q: What is the upper and lower airspeed range that can be set on this switch?

It may be field adjusted to switch at any speed between 55 and 140 knots.

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