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DuaneFamly(at)aol.com
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 Posted: Mon Jun 23, 2008 12:13 pm Post subject: Dynon Temp Probe Location? |
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Good day All,
I have been mulling over where I could/should install the OAT temp probe used in conjunction with the Dynon EFIS D100. I would like to install it in the external carb air intake in order to monitor possible carb icing, but the cable is not long enough to reach the Remote Magnetic Compass module. I can't mount it under the belly because of the engine exhaust. So I was wondering where others may have mounted their probe? Thanks in advance for all replies.
Mike Duane A207A
Redding, California
XS Conventional Gear
Jabiru 3300
Sensenich R64Z N
Ground Adjustable Prop
Gas prices getting you down? Search AOL Autos for fuel-efficient used cars.
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budyerly(at)msn.com
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| Posted: Mon Jun 23, 2008 12:57 pm Post subject: Dynon Temp Probe Location? |
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<?xml:namespace prefix="v" /><?xml:namespace prefix="o" /><![endif]--> Mike,
If you are using the Jab airbox mounted to the firewall, hook it to an Adel clamp just inside the airbox prior to the filter. If the cable isn't long enough, make a cannon plug to go through the firewall, or make a jumper. I hook all my electrics through the firewall via cannon plugs. An engine removal or other maintenance is made very simple. If crimping is a problem for you, buy the right tool and learn to do it right and you will be thankful. I have a used airplane at the shop I am rebuilding and it is a pain to run wires direct from the engine to the panel. You can't remove either the engine or the panel easily for repairs or mods. Typically, my panels come out in less time than it takes to take off the engine cowl. Engines take about two hours. Cannon plugs make that happen.
Bud Yerly
Custom Flight
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DuaneFamly(at)aol.com
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| Posted: Mon Jun 23, 2008 7:51 pm Post subject: Dynon Temp Probe Location? |
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Thanks Bud,
Completely forgot that the probe is a resistive unit and not a thermocouple. I think I'll go the Cannon plug route. Then since I've already added a temp probe to the carb itself to monitor any carb ice possibilities, I'll mount the Dynon probe at the NACA vent inlet to the carb, this way I'll still know what the outside air temp is even with carb heat on.
Appreciate the mind joggle.
Mike Duane A207A
Redding, California
XS Conventional Gear
Jabiru 3300A
Sensenich R64Z N
Ground Adjustable Prop
Gas prices getting you down? Search AOL Autos for fuel-efficient used cars.
[quote][b]
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rampil
Joined: 04 May 2007
Posts: 870
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| Posted: Tue Jun 24, 2008 5:28 am Post subject: Re: Dynon Temp Probe Location? |
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Hi Mike,
I have my OAT sited inside the cowl NACA vent on the lower stbd side.
It seems to work well except it heats up while standing still or taxiing
despite plenty of insulation on top apparently due to proximity to the radiator in my 912ULS bird.
Makes my EFIS computed Density Altitude read kinda screwy while waiting
in line to take off.
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Ira N224XS |
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willie.harrison(at)tinyon
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| Posted: Tue Jun 24, 2008 6:04 pm Post subject: Dynon Temp Probe Location? |
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I've put mine just behind the starboard U/C legs. This gives a simple
wiring run to the remote compass (just above/behind the crew's heads)
and also away from exhaust or engine heat. It seems to agree
consistently with ATIS-reported temps to within one degree.
Willie
G-BZNY - now piling up the hours again after it's little rest.
On 24 Jun 2008, at 14:28, rampil wrote:
| Quote: |
Hi Mike,
I have my OAT sited inside the cowl NACA vent on the lower stbd side.
It seems to work well except it heats up while standing still or
taxiing
despite plenty of insulation on top apparently due to proximity to
the radiator in my 912ULS bird.
Makes my EFIS computed Density Altitude read kinda screwy while
waiting
in line to take off.
--------
Ira N224XS
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