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Old 11-05-2018, 03:12 PM
daddyman's Avatar
daddyman daddyman is offline
Join Date: Jan 2014
Location: Fredericksburg, Virginia
Posts: 247
Default Angle of Attack Indicator added,

As you may have seen I saved 5#12 oz and created a gaping hole (3 1/8 hole) in my instrument panel after removing my DG.
Unacceptable: Must fill that hole.

Found an Angle of Attack indicator (AOA) I could afford and did not require wires to install, and thus was within my realm.

Lift Management Inc

A close up of the instrument. Note plastic cover on gauge face, as I wasn't sure it would work until post test flight.

Required 2 hoses to new AOA pitot. I elected to route within the same rib lightening hole after ensuring no interference with aileron push rod controls.
The material used to protect the hoses from chafing and potentially leaks was purchased from

Was this really necessary? Not sure. After cutting the hoses to length, they are really resistant to slicing. I simply felt good about it.
Also a suggestion from a previous post from rv7charlie (thank you)

I used an electrician's wire snake to fish it though from the cockpit side. Neat trick.

View from under the front cockpit floor:

This is the AOA pitot. I really like that the kit came with everything needed, including a remove before flight cover, and instrument hole adapter.

I had a question about the installation and calibration, and e-mailed the site. The owner called me back within 1 day and was helpful and kind.

I've flight tested it and like it.
Easy to integrate into my approach.


Last edited by daddyman : 11-05-2018 at 03:14 PM. Reason: crediting to rv7Charlie
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Old 11-05-2018, 03:18 PM
Sam Buchanan's Avatar
Sam Buchanan Sam Buchanan is offline
been here awhile
Join Date: Dec 2004
Location: North Alabama
Posts: 3,917

This is another version of the Lift Reserve Indicator that has been in use for nearly 30 years. It is an excellent addition to your panel and once you get used to it being in your primary scan you will really like it. The fact it is independent of the electrical bus and primary pitot-static is a real plus.
Sam Buchanan
1999 RV-6
1918 Fokker D.VII replica
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Old 11-06-2018, 05:50 AM
Lufthans's Avatar
Lufthans Lufthans is offline
Join Date: Dec 2017
Location: Hilversum, The Netherlands
Posts: 58

I've got the one that Sam has in my Jodel and really don't use it at all. The location on my panel might have something to do with it. Unless it's right at the top, where it can be seen at a quick glance, it's simply too far away and too far inside at the moments where it really matters (short final or serious G-pulling).

Curious to learn what your experiences will be with it.

Hans Teijgeler
Hilversum, The Netherlands

Preparing to build a Rocket
PH-BRR Bowers Fly Baby; Imported and upgraded
PH-MGA Jodel DR1050; Built, with Subaru EJ25
PH-SUM RV-4; Imported and upgraded. Sold my share :-(
PH-EIL RV-4; Imported and upgraded for friend. Sadly crashed
PH-ERD Robin DR300; Built with Subaru EZ30 for friend.
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