Kevin Harberg Posted August 16, 2023 Report Share Posted August 16, 2023 Wig Wag Gear Indicators Mooney M-18 The Wig Wag on the left is made by: The Wig Wag on the right is made by: The Anderson Co. Gary, Ind TRICO ANCO (Maxi Vac Model MV 1B) ¼” hose fitting 3/16” hose fitting One of these units is likely off of my M-18LA serial number 142 and the other is likely off of my M-18C serial number 306. Curious if manifold pressure differences between the 145cu in Lycoming (0-145) and the 170cu in Continental (CA65) require different vacuum units or if changes were made on the production line due to availability. My M-18 drawings only show the TRICO unit for both “L” and “C” models. Is anyone familiar with these gear warning indicators? I don’t know which one goes with which airplane. Quote Link to comment Share on other sites More sharing options...
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