Bruce Atherton
  • Marysville, OH
  • United States
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Bruce Atherton's Discussions

Magnetometer calibration and solar farms

Started this discussion. Last reply by Douglas Binder Sep 3. 1 Reply

I attempted to calibrate my MGL SP-6 the other day and couldn't get it done. I have it installed in my Zenith 750 STOL in the fuselage aft of the large access panel, similar to John Austin's…Continue

RPM pickup for MGL EMS

Started Sep 9, 2023 0 Replies

Has anyone used an inductive pickup from the ignition system on a WW Corvair to drive the rpm function on an MGL engine monitor? Or other rpm pickups that work the MGL products? I am aware of the…Continue

Tags: rpm, corvair, ems, mgl

750 STOL CG with Corvair engine

Started this discussion. Last reply by charlie rosenzweig Feb 21, 2023. 1 Reply

Wondering what center of gravity people with Corvair engines in their 750 STOL are seeing. When my plane got its AWC, at 841 lb, CG was at 251 mm.At 1229 lb (24 gal fuel, 220 lb pilot), CG calculates…Continue

Tags: gravity, of, center

 

Bruce Atherton's Page

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Bruce Atherton posted a discussion

Magnetometer calibration and solar farms

I attempted to calibrate my MGL SP-6 the other day and couldn't get it done. I have it installed in my Zenith 750 STOL in the fuselage aft of the large access panel, similar to John Austin's installation https://zenith.aero/forum/topics/mgl-sp-6-magnetometer.It seemed to take a while for it to start counting up the samples, and I was never able to get a good solution.Later, it has occurred to me that I was flying at about 1500…See More
Sep 2
1 Comment
Bruce Atherton posted a discussion

RPM pickup for MGL EMS

Has anyone used an inductive pickup from the ignition system on a WW Corvair to drive the rpm function on an MGL engine monitor? Or other rpm pickups that work the MGL products? I am aware of the past problems with MGL and Corvairs, but assuming that is using a hard wire attachment.I came across this 2008 Kitplanes article by Rick Lindstrom, https://www.kitplanes.com/mgl-avionics-stratomaster-maxi-single-e1/,…See More
Sep 9, 2023
0 Comments
Bruce Atherton posted a discussion

750 STOL CG with Corvair engine

Wondering what center of gravity people with Corvair engines in their 750 STOL are seeing. When my plane got its AWC, at 841 lb, CG was at 251 mm.At 1229 lb (24 gal fuel, 220 lb pilot), CG calculates at 374 mm.I need quite a bit of nose up trim for level flight and am wondering how my CG location compares to others.Thanks,BruceSee More
Jan 24, 2023
1 Comment

Profile Information

Aircraft Model
STOL CH 750
Project Status
Flying
Building From
Purchased finished aircraft
Engine installed (or plan to install)
Corvair
Building Experience
No Experience
Flying Experience
Private Pilot
Building and Flying Info / Your Profession / Other Background Info
Retired civil engineer (USDA-NRCS)
Home Airport (ie. KMYJ)
KUYF

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