Today's Message Index:
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1. 06:29 AM - Re: tires (PLheureux@aol.com)
2. 02:57 PM - Re: AOA (Richard Pike)
Message 1
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I read somewhere that airplane tires should compress so that the edge of
the tread touches the ground when loaded. This relates to airplane tires
that have the distinctive simple circumferential treads.
Hope this helps
Pierre
Message 2
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Repairing the wiring harness from the mags turned out to be really easy, ought
to have the engine back on the airplane fairly soon, so I bit the bullet and ordered
the three items linked here on ebay. If/when I come up with something worth
looking at, I'll post it on the list. If it turns out to be useless, or a
waste of time, I'll post that too.
Richard Pike wrote:
> Why could you not make an AOA indicator using a fuel gauge assembly? The sender
typically uses an arm that changes angle and sends a signal; instead of the
wire and float, make a counterbalanced vane that would move in the airflow. Mount
the gauge on its side, and now you have a needle that goes up and down at
different vane angles. Ideally you take the gauge cover off and instead of empty
and full, you paint on angles of attack up to stall.
> You could try something like this first:
> http://www.ebay.com/itm/Universal-52mm-2-Car-Fuel-Level-Gauge-Meter-With-Fuel-Sensor-E-1-2-F-Pointer-/401028163857?hash=item5d5f242911:g:sHEAAOSweuxWSo-T&vxp=mtr
> Looking at the sender unit in this set, if you cut off everything you didn't
need, the sender itself would be about 2" across, plus however big your vane is.
>
> Once you got that to work, but say you wanted a lighted gauge instead, one that
went up and down, you could try something like this:
> http://www.ebay.com/itm/Universal-Motor-Motorcycle-2-Fuel-Meter-Digital-Display-Fuel-Ratio-Level-Gauge-/201502529749?hash=item2eea7c98d5:g:nr0AAOSwYIhWlint&vxp=mtr
> Now you have led's that go up and down as your AOA changed. And if you repainted
the face and mounted it upside down, you have yellow and red at the top.
>
> Then stick the gauge in a little holder that sits on top of your panel so it
is in your immediate vision while you are on final:
> http://www.ebay.com/itm/52Mm-2-Adjustable-Swivel-Dash-Mount-Single-Racing-Gauge-Cup-Holder-Pod-Bracket-/172060327859?hash=item280f983fb3:g:F8IAAOSwGotWlXS6&vxp=mtr
>
> Seems to me a fairly simple exercise in making your vane assembly light and responsive,
finding the best airflow location, and doing some calibrating.
--------
Richard Pike
Kolb MKIII N420P (420ldPoops)
Kingsport, TN 3TN0
Would you consider yourself to be a good person?
https://www.youtube.com/watch?v=VWcDXT6pH7A
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=452113#452113
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