Friday, May 6, 2022

Update 5/6/2022 Taxi Test

 Taxi tested (low speed) this morning.

Checked AROW etc. was available.  Air traffic was sporadic since this is the best weather we've had for days.  I loaded my truck up with some car dollies, tow straps, fire extinguisher and called a friend to help observe.

The #1 taxiway has some bumps that will launch the nose if going approximately 20 knots. 

The TX audio was low and my handheld audio was low. I tried both the Avidyne and Dynon radios, so probably didn't have the Mic close enough to my mouth.

The left brake seemed soft, but likely just needs to be bedded in.  Also found the lead ballast bricks had shifted and was stopping the left copilot pedal from going all the way forward.  The brakes got warm but not overly hot.  When running the engine up, the left brake wasn't holding adequately.  The brake temp sensors on the heat shields only got up to 100 F but the rotors were to hot to touch after the first pass and taxi back.

The cylinder temps stayed less than 400F (379).

The idle is set to low, engine died on the first test when pulling the throttle back.  I noted the throttle position where the engine idled adequately and when I got the bottom cowl off, set the idle screw to bottom out at that position.

On the 2nd test, saw my airspeed was at about 30 knots with the RPM at 1400-1500 and I briefly opened the throttle and saw about 2300 rpm.  The data logs later confirmed 2280 and GPS ground speed at 44.1, IAS at 44.7 Knots.



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