Today's Message Index:
----------------------
1. 02:22 AM - Fuel Vent heat Test? (Robert S. Randazzo)
2. 06:52 AM - Re: Fuel Vent heat Test? (Moe-rosspistons)
3. 07:06 AM - Re: Fuel Vent heat Test? (mike floyd)
4. 07:16 AM - Re: Fuel Vent heat Test? (Moe-rosspistons)
5. 07:43 AM - Re: Fuel Vent heat Test? (mike floyd)
6. 07:47 AM - Re: Fuel Vent heat Test? (willis robison)
7. 10:52 AM - Re: Fuel Vent heat Test? (Robert S. Randazzo)
Message 1
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Subject: | Fuel Vent heat Test? |
Commanders-
Does anyone have a fool-proof method for testing the fuel vent heaters?
On a whim I decided to test them by turning on the battery, connecting the
buses and activating the L/R Pitot and Fuel Vent heaters.
Pitots heated up enough that you could fry an egg- but the fuel probes did
not warm even slightly.
This made me wonder if the fuel vent heaters are load-shed without a
generator on-line? (Yes yes- sometimes I have trouble keeping the big
airplane stuff and the Commander stuff segregated in my brain..you should
have seen me flaring at an eyeball height of 70'.. HAHAHAH.. Oh
boy..fortunately it turned out okay for everyone except my ego.)
We're getting into the ugly part of the icing season out here- and I'm going
to be making a bunch of trips over the mountains during the winter- so I
want to make sure my ice survival equipment is in top working condition.
Robert S. Randazzo
N414C
Message 2
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Subject: | Re: Fuel Vent heat Test? |
Robert,
The fuel vent heaters and the lift detector (stall warning switch) have
temperature control on them so that they will not feel hot to the touch.
The fuel vent heaters (at least on my bird) do not feel hot on a cold
day, however they are warmer than the surrounding under wing skin. If
you get a definitive answer about testing please share. Quite some time
ago I made a similar post and did not get a complete reply from anyone.
Moe
N680RR
Proud Holder of The Golden Pedal Award
From: Robert S. Randazzo
Sent: Monday, November 17, 2008 2:20 AM
Subject: Commander-List: Fuel Vent heat Test?
Commanders-
Does anyone have a fool-proof method for testing the fuel vent heaters?
On a whim I decided to test them by turning on the battery, connecting
the buses and activating the L/R Pitot and Fuel Vent heaters.
Pitots heated up enough that you could fry an egg- but the fuel probes
did not warm even slightly.
This made me wonder if the fuel vent heaters are load-shed without a
generator on-line? (Yes yes- sometimes I have trouble keeping the big
airplane stuff and the Commander stuff segregated in my brain..you
should have seen me flaring at an eyeball height of 70'.. HAHAHAH.. Oh
boy..fortunately it turned out okay for everyone except my ego.)
We're getting into the ugly part of the icing season out here- and I'm
going to be making a bunch of trips over the mountains during the
winter- so I want to make sure my ice survival equipment is in top
working condition.
Robert S. Randazzo
N414C
Message 3
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Subject: | Fuel Vent heat Test? |
Fill a cup with ice water and submerge the vents wait a few minutes and the
n turn them on. Or remove the vent heaters and put them in the freezer=2C u
sing an ohmeter see if there is continuity through the thermostats.
From: moe-rosspistons@hotmail.comTo: commander-list@matronics.comSubject: R
e: Commander-List: Fuel Vent heat Test?Date: Mon=2C 17 Nov 2008 06:51:26 -0
800
Robert=2C
The fuel vent heaters and the lift detector (stall warning switch) have tem
perature control on them so that they will not feel hot to the touch. The f
uel vent heaters (at least on my bird) do not feel hot on a cold day=2C how
ever they are warmer than the surrounding under wing skin. If you get a de
finitive answer about testing please share. Quite some time ago I made a s
imilar post and did not get a complete reply from anyone.
Moe
N680RR
Proud Holder of The Golden Pedal Award
From: Robert S. Randazzo
Sent: Monday=2C November 17=2C 2008 2:20 AM
Subject: Commander-List: Fuel Vent heat Test?
Commanders-
Does anyone have a fool-proof method for testing the fuel vent heaters?
On a whim I decided to test them by turning on the battery=2C connecting th
e buses and activating the L/R Pitot and Fuel Vent heaters.
Pitots heated up enough that you could fry an egg- but the fuel probes did
not warm even slightly.
This made me wonder if the fuel vent heaters are load-shed without a genera
tor on-line? (Yes yes- sometimes I have trouble keeping the big airplane
stuff and the Commander stuff segregated in my brain=85.you should have see
n me flaring at an eyeball height of 70=92.. HAHAHAH=85. Oh boy=85.fortunat
ely it turned out okay for everyone except my ego=85)
We=92re getting into the ugly part of the icing season out here- and I=92m
going to be making a bunch of trips over the mountains during the winter- s
o I want to make sure my ice survival equipment is in top working condition
.
Robert S. Randazzo
N414C
href="http://www.matronics.com/contribution">http://www.matronics.com/chr
ef="http://www.matronics.com/Navigator?Commander-List">http://www.matroni
cs.com/Navigator?Commander-List
href="http://forums.matronics.com">http://forums.matronics.com
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Message 4
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Subject: | Re: Fuel Vent heat Test? |
Mike,
Do you think that it would be OK just to spray them with a c02 fire
extinguisher?
Moe
From: mike floyd
Sent: Monday, November 17, 2008 7:06 AM
Subject: RE: Commander-List: Fuel Vent heat Test?
Fill a cup with ice water and submerge the vents wait a few minutes and
then turn them on. Or remove the vent heaters and put them in the
freezer, using an ohmeter see if there is continuity through the
thermostats.
-------------------------------------------------------------------------
-------
From: moe-rosspistons@hotmail.com
Subject: Re: Commander-List: Fuel Vent heat Test?
Robert,
The fuel vent heaters and the lift detector (stall warning switch) have
temperature control on them so that they will not feel hot to the touch.
The fuel vent heaters (at least on my bird) do not feel hot on a cold
day, however they are warmer than the surrounding under wing skin. If
you get a definitive answer about testing please share. Quite some time
ago I made a similar post and did not get a complete reply from anyone.
Moe
N680RR
Proud Holder of The Golden Pedal Award
From: Robert S. Randazzo
Sent: Monday, November 17, 2008 2:20 AM
Subject: Commander-List: Fuel Vent heat Test?
Commanders-
Does anyone have a fool-proof method for testing the fuel vent heaters?
On a whim I decided to test them by turning on the battery, connecting
the buses and activating the L/R Pitot and Fuel Vent heaters.
Pitots heated up enough that you could fry an egg- but the fuel probes
did not warm even slightly.
This made me wonder if the fuel vent heaters are load-shed without a
generator on-line? (Yes yes- sometimes I have trouble keeping the big
airplane stuff and the Commander stuff segregated in my brain=85.you
should have seen me flaring at an eyeball height of 70=92.. HAHAHAH=85.
Oh boy=85.fortunately it turned out okay for everyone except my ego=85)
We=92re getting into the ugly part of the icing season out here- and
I=92m going to be making a bunch of trips over the mountains during the
winter- so I want to make sure my ice survival equipment is in top
working condition.
Robert S. Randazzo
N414C
href="http://www.matronics.com/contribution">http://www.matronics.com/c
href="http://www.matronics.com/Navigator?Commander-List">http://www.mat
ronics.com/Navigator?Commander-List
href="http://forums.matronics.com">http://forums.matronics.com
ww.matronics.com/contribution
st">http://www.matronics.com/Navigator?Commander-List
ronics.com
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Message 5
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Subject: | Fuel Vent heat Test? |
Never tried that let me know. Probably.
From: moe-rosspistons@hotmail.comTo: commander-list@matronics.comSubject: R
e: Commander-List: Fuel Vent heat Test?Date: Mon=2C 17 Nov 2008 07:14:13 -0
800
Mike=2C
Do you think that it would be OK just to spray them with a c02 fire extingu
isher?
Moe
From: mike floyd
Sent: Monday=2C November 17=2C 2008 7:06 AM
Subject: RE: Commander-List: Fuel Vent heat Test?
Fill a cup with ice water and submerge the vents wait a few minutes and the
n turn them on. Or remove the vent heaters and put them in the freezer=2C u
sing an ohmeter see if there is continuity through the thermostats.
From: moe-rosspistons@hotmail.comTo: commander-list@matronics.comSubject: R
e: Commander-List: Fuel Vent heat Test?Date: Mon=2C 17 Nov 2008 06:51:26 -0
800
Robert=2C
The fuel vent heaters and the lift detector (stall warning switch) have tem
perature control on them so that they will not feel hot to the touch. The f
uel vent heaters (at least on my bird) do not feel hot on a cold day=2C how
ever they are warmer than the surrounding under wing skin. If you get a de
finitive answer about testing please share. Quite some time ago I made a s
imilar post and did not get a complete reply from anyone.
Moe
N680RR
Proud Holder of The Golden Pedal Award
From: Robert S. Randazzo
Sent: Monday=2C November 17=2C 2008 2:20 AM
Subject: Commander-List: Fuel Vent heat Test?
Commanders-
Does anyone have a fool-proof method for testing the fuel vent heaters?
On a whim I decided to test them by turning on the battery=2C connecting th
e buses and activating the L/R Pitot and Fuel Vent heaters.
Pitots heated up enough that you could fry an egg- but the fuel probes did
not warm even slightly.
This made me wonder if the fuel vent heaters are load-shed without a genera
tor on-line? (Yes yes- sometimes I have trouble keeping the big airplane
stuff and the Commander stuff segregated in my brain=85.you should have see
n me flaring at an eyeball height of 70=92.. HAHAHAH=85. Oh boy=85.fortunat
ely it turned out okay for everyone except my ego=85)
We=92re getting into the ugly part of the icing season out here- and I=92m
going to be making a bunch of trips over the mountains during the winter- s
o I want to make sure my ice survival equipment is in top working condition
.
Robert S. Randazzo
N414C
href="http://www.matronics.com/contribution">http://www.matronics.com/chr
ef="http://www.matronics.com/Navigator?Commander-List">http://www.matroni
cs.com/Navigator?Commander-List
href="http://forums.matronics.com">http://forums.matronics.com
ww.matronics.com/contribution
st">http://www.matronics.com/Navigator?Commander-List
ronics.com
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ef="http://www.matronics.com/Navigator?Commander-List">http://www.matroni
cs.com/Navigator?Commander-List
href="http://forums.matronics.com">http://forums.matronics.com
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Message 6
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Subject: | Re: Fuel Vent heat Test? |
1. The vent heaters-are not-generally controlled-by a switch, just th
e breaker and an internal thermostat.- On smaller planes, its just a ligh
t bulb.
-
2.- $2.00 will buy you a can of electrical contact cleaner or just a can
of compressed air (for cleaning computer parts). and a $10 volt-ohm-meter.
-
3. Open the inspection port, you'll need access to the leads at the vent he
ater. Disconnect the power lead and test between the power and the heater.
- It should show an "open" circuit (if the temp is above ~40F).
-
4.- Give the vent/heater body-a shot of cleaner to chill it down.....Th
e heater has a thermostat which should close and the VOM should show power
going to the heater.- (it should also feel warmer to the touch if only fo
r the time it takes to warm up to ambient temp.
-
-
Another way is to remove the vent heater and do the same test on a bench, i
nside where its warmer.
-
If you are still unsure, spend the $65 to have your A/P do it and have him
swear on a stack FAA manuals.- I prefer to wait in the customer lounge an
d chat up the FBO secretary....
----
-
what was that saying...."Nothing in life is sure....less so..........- oh
well, I forget."
-
wer
--- On Mon, 11/17/08, Moe-rosspistons <moe-rosspistons@hotmail.com> wrote:
From: Moe-rosspistons <moe-rosspistons@hotmail.com>
Subject: Re: Commander-List: Fuel Vent heat Test?
Mike,
-
Do you think that it would be OK just to spray them with a c02 fire extingu
isher?
-
Moe
From: mike floyd
Sent: Monday, November 17, 2008 7:06 AM
Subject: RE: Commander-List: Fuel Vent heat Test?
Fill a cup with ice water and submerge the vents wait a few minutes and the
n turn them on. Or remove the vent heaters and put them in the freezer, usi
ng an ohmeter see if there is continuity through the thermostats.
From: moe-rosspistons@hotmail.com
Subject: Re: Commander-List: Fuel Vent heat Test?
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Robert,
-
The fuel vent heaters and the lift detector (stall warning switch) have tem
perature control on them so that they will not feel hot to the touch.-The
fuel vent heaters (at least on my bird) do not feel hot on a cold day, how
ever they are warmer than the surrounding under wing skin.- If you get a
definitive answer about testing please share.- Quite some time ago I made
a similar post and did not get a complete reply from anyone.
-
Moe
N680RR
Proud Holder of The Golden Pedal Award
From: Robert S. Randazzo
Sent: Monday, November 17, 2008 2:20 AM
Subject: Commander-List: Fuel Vent heat Test?
Commanders-
Does anyone have a fool-proof method for testing the fuel vent heaters?
-
On a whim I decided to test them by turning on the battery, connecting the
buses and activating the L/R Pitot and Fuel Vent heaters.
-
Pitots heated up enough that you could fry an egg- but the fuel probes did
not warm even slightly.
-
This made me wonder if the fuel vent heaters are load-shed without a genera
tor on-line?-- (Yes yes- sometimes I have trouble keeping the big airpl
ane stuff and the Commander stuff segregated in my brain=85.you should have
seen me flaring at an eyeball height of 70=92.. HAHAHAH=85. Oh boy=85.fort
unately it turned out okay for everyone except my ego=85)
-
We=92re getting into the ugly part of the icing season out here- and I=92m
going to be making a bunch of trips over the mountains during the winter- s
o I want to make sure my ice survival equipment is in top working condition
.
-
Robert S. Randazzo
N414C
-
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cs.com/Navigator?Commander-List
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Subject: | Fuel Vent heat Test? |
Willis, et al-
Thanks- these are all helpful.
I'm not shy about having my shop looking at squawks. I do quite a bit of
work with them on a few different airplanes- so I get top notch service and
no BS whatsoever when it comes to billing or having someone stop by the
hangar to look at something that catches my attention.
By the same token- it occurred to me that I don't really know enough about
those vent heaters to determine if they are working properly or not- so I
thought it was important to correct my deficiency.
Robert S. Randazzo
N414C
From: owner-commander-list-server@matronics.com
[mailto:owner-commander-list-server@matronics.com] On Behalf Of willis
robison
Sent: Monday, November 17, 2008 7:48 AM
Subject: Re: Commander-List: Fuel Vent heat Test?
1. The vent heaters are not generally controlled by a switch, just the
breaker and an internal thermostat. On smaller planes, its just a light
bulb.
2. $2.00 will buy you a can of electrical contact cleaner or just a can of
compressed air (for cleaning computer parts). and a $10 volt-ohm-meter.
3. Open the inspection port, you'll need access to the leads at the vent
heater. Disconnect the power lead and test between the power and the heater.
It should show an "open" circuit (if the temp is above ~40F).
4. Give the vent/heater body a shot of cleaner to chill it down.....The
heater has a thermostat which should close and the VOM should show power
going to the heater. (it should also feel warmer to the touch if only for
the time it takes to warm up to ambient temp.
Another way is to remove the vent heater and do the same test on a bench,
inside where its warmer.
If you are still unsure, spend the $65 to have your A/P do it and have him
swear on a stack FAA manuals. I prefer to wait in the customer lounge and
chat up the FBO secretary....
----
what was that saying...."Nothing in life is sure....less so.......... oh
well, I forget."
wer
--- On Mon, 11/17/08, Moe-rosspistons <moe-rosspistons@hotmail.com> wrote:
From: Moe-rosspistons <moe-rosspistons@hotmail.com>
Subject: Re: Commander-List: Fuel Vent heat Test?
Mike,
Do you think that it would be OK just to spray them with a c02 fire
extinguisher?
Moe
From: mike <mailto:floydgm@hotmail.com> floyd
Sent: Monday, November 17, 2008 7:06 AM
Subject: RE: Commander-List: Fuel Vent heat Test?
Fill a cup with ice water and submerge the vents wait a few minutes and then
turn them on. Or remove the vent heaters and put them in the freezer, using
an ohmeter see if there is continuity through the thermostats.
_____
From: moe-rosspistons@hotmail.com
Subject: Re: Commander-List: Fuel Vent heat Test?
Robert,
The fuel vent heaters and the lift detector (stall warning switch) have
temperature control on them so that they will not feel hot to the touch. The
fuel vent heaters (at least on my bird) do not feel hot on a cold day,
however they are warmer than the surrounding under wing skin. If you get a
definitive answer about testing please share. Quite some time ago I made a
similar post and did not get a complete reply from anyone.
Moe
N680RR
Proud Holder of The Golden Pedal Award
From: Robert S. Randazzo <mailto:rsrandazzo@precisionmanuals.com>
Sent: Monday, November 17, 2008 2:20 AM
Subject: Commander-List: Fuel Vent heat Test?
Commanders-
Does anyone have a fool-proof method for testing the fuel vent heaters?
On a whim I decided to test them by turning on the battery, connecting the
buses and activating the L/R Pitot and Fuel Vent heaters.
Pitots heated up enough that you could fry an egg- but the fuel probes did
not warm even slightly.
This made me wonder if the fuel vent heaters are load-shed without a
generator on-line? (Yes yes- sometimes I have trouble keeping the big
airplane stuff and the Commander stuff segregated in my brain..you should
have seen me flaring at an eyeball height of 70'.. HAHAHAH.. Oh
boy..fortunately it turned out okay for everyone except my ego.)
We're getting into the ugly part of the icing season out here- and I'm going
to be making a bunch of trips over the mountains during the winter- so I
want to make sure my ice survival equipment is in top working condition.
Robert S. Randazzo
N414C
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ww.matronics.com/contribution
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ronics.com
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