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  • Skybert

US aircraft Instrument ID

Anyone able to identify the instrument on the attached photograph’s?

My first impressions are of a engine oil indicator, mounted on the side of a engine nacelle of a multi-engined aircraft, and visible from the cockpit?

The 90 degree reduction gear suggets a floater inside a tank was attached. A retainer knob on the axis probably prevented the indicator needle running off the scale.It’s no longer there..

Scale runs from 5 to 75 US gallons, suggesting oil rather than fuel and suggesting a US aircraft.

The circular mounting plate and floater provisions would be out of place on a cockpitinstrument panel. The scale face has a provision for a screw-on front glass with fine thread

No serial plates , manufacturer’s name or other numbers inscripted, anywhere, which seems a bit strange.

Therefore could also be from ground equipment…

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By: Skybert - 14th August 2007 at 21:31

Mark, Olivier, Richard; thanks very much for your replies. I am surprized that it’s actually from a Mustang…next thing to do of course is find out what crash it came from. it’s probably from a Dutch crash site…and look for actual pics of a cockpit to find out how it looked complete.. This is how it looks in IL-2 sims..

regards

Bert

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By: RMAllnutt - 14th August 2007 at 20:20

Yes, this is indeed a P-51 wing tank fuel gauge. There are two of these mounted on the cockpit floor. Your gauge is missing the cork float, and rocker arm. It was a direct-read gauge. Looks like it has come froma wreck!

Cheers,
Richard

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By: NC900 - 14th August 2007 at 19:46

I found this entry on my list :
Boston Auto-Gauge ; Model 106-NA-B ; MFR’S N° 102-48105 ; Float Arm Type ; Wing Tanks 92 Gallons (U.S. Gallons) ; Luminous.
P-51D

Cheers,

Olivier

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By: Mark V - 14th August 2007 at 15:26

Looks like a P-51 Mustang main fuel tank gauge. Capacity 92 US gallons is correct and the gauge would have been fitted directly to the top wall of the tank, visible through cut-outs in the cockpit floor.

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