Today's Message Index:
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1. 07:30 AM - Re: Circuit breaker size for pitot heat? (Rob Rowe)
2. 09:44 AM - Re: [Non-DoD Source] Re: Circuit breaker size for pitot heat? (Bitterlich, Mark G CIV NAVAIR, WD)
3. 10:17 AM - Re: [Non-DoD Source] Re: Circuit breaker size for pitot heat? (Jan Mevis)
4. 04:44 PM - Hangar fans and lights (Jon Blake)
5. 05:01 PM - Re: Hangar fans and lights (Greg Wrobel)
6. 07:56 PM - Re: Hangar fans and lights (\)
7. 08:31 PM - Housai 2350 Redline (PS)
Message 1
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| Subject: | Re: Circuit breaker size for pitot heat? |
FYI - be aware that the pitot heater has a simple transistor circuit that only
drives the green 'on' lamps (see attached diagram) when the heater is consuming
power i.e. it monitors that the heater is actually working, not just being
supplied with a voltage.
So if the heater, resistor or associated wiring goes open circuit, or the transistor
fails, the lamps will not light ... that could lead you to consider that
the 10A breaker has died.
The resistor (T4) & transistor (T5) can be found in the relay box on bulkhead 6
(at the back of rear instrument panel) if you want to check out the circuit.
Hope this helps with your fault finding.
Rob R
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=481517#481517
Attachments:
http://forums.matronics.com//files/pitot_heat_194.jpg
Message 2
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| Subject: | Re: Circuit breaker size for pitot heat? |
Once again you taught me something I did not know!
Mark
p.s. Where do you get these diagrams from that show you this, that are in freaking
English? Or: -?
-----Original Message-----
From: owner-yak-list-server@matronics.com <owner-yak-list-server@matronics.com>
On Behalf Of Rob Rowe
Sent: Tuesday, July 10, 2018 10:30 AM
Subject: [Non-DoD Source] Yak-List: Re: Circuit breaker size for pitot heat?
FYI - be aware that the pitot heater has a simple transistor circuit that only
drives the green 'on' lamps (see attached diagram) when the heater is consuming
power i.e. it monitors that the heater is actually working, not just being
supplied with a voltage.
So if the heater, resistor or associated wiring goes open circuit, or the transistor
fails, the lamps will not light ... that could lead you to consider that
the 10A breaker has died.
The resistor (T4) & transistor (T5) can be found in the relay box on bulkhead 6
(at the back of rear instrument panel) if you want to check out the circuit.
Hope this helps with your fault finding.
Rob R
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=481517#481517
Attachments:
http://forums.matronics.com//files/pitot_heat_194.jpg
Message 3
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| Subject: | Re: Circuit breaker size for pitot heat? |
Thanks Rob!
I join Mark in his opinion. Not the first time that you presented superb diagrams!
Jan
On 10/07/2018, 18:38, "Bitterlich, Mark G CIV NAVAIR, WD" <owner-yak-list-server@matronics.com
on behalf of mark.bitterlich@navy.mil> wrote:
Once again you taught me something I did not know!
Mark
p.s. Where do you get these diagrams from that show you this, that are in
freaking English? Or: -?
-----Original Message-----
From: owner-yak-list-server@matronics.com <owner-yak-list-server@matronics.com>
On Behalf Of Rob Rowe
Sent: Tuesday, July 10, 2018 10:30 AM
To: yak-list@matronics.com
Subject: [Non-DoD Source] Yak-List: Re: Circuit breaker size for pitot heat?
FYI - be aware that the pitot heater has a simple transistor circuit that
only drives the green 'on' lamps (see attached diagram) when the heater is consuming
power i.e. it monitors that the heater is actually working, not just being
supplied with a voltage.
So if the heater, resistor or associated wiring goes open circuit, or the transistor
fails, the lamps will not light ... that could lead you to consider
that the 10A breaker has died.
The resistor (T4) & transistor (T5) can be found in the relay box on bulkhead
6 (at the back of rear instrument panel) if you want to check out the circuit.
Hope this helps with your fault finding.
Rob R
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=481517#481517
Attachments:
http://forums.matronics.com//files/pitot_heat_194.jpg
Message 4
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| Subject: | Hangar fans and lights |
My 50x60 hangar is almost completed... Now I want to add big ceiling fans and big
lights. Bigass fans are really nice but way too expensive... so does anyone
have any other fan suggestions?
What about overhead lights? LED of course... any suggestions there?
Jon Blake
Sent from my iPad
Message 5
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| Subject: | Re: Hangar fans and lights |
Jon, the fans I used in my hangar came from either Lowe's or Home Depot.
Both have their own version of large building style, high velocity fans. I
used 5 fans and placed one directly over the airplane where I would be
working the most (engine and cockpit). As far as lights, the LED world is
limitless. Look for High Bay style. Measure how high they will be mounted
above the floor, know the beam angle and the charts will tell you their
illumination area. Again place one directly over the engine/cockpit area
and maybe have that on a separate switch so you won't have to light up the
whole place especially if you have skylights.
On Tue, Jul 10, 2018, 18:49 Jon Blake <jblake207@comcast.net> wrote:
>
> My 50x60 hangar is almost completed... Now I want to add big ceiling fans
> and big lights. Bigass fans are really nice but way too expensive... so
> does anyone have any other fan suggestions?
>
> What about overhead lights? LED of course... any suggestions there?
>
> Jon Blake
>
> Sent from my iPad
>
>
Message 6
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| Subject: | Re: Hangar fans and lights |
You could get 4 or 5 regular fans for the price of a Bigass fan. Space them around
the ceiling connected to one switch or 4 or 5 switches. You can get fans
that look like the nose section of a different number of WW2 fighters. (P-40,
P-51, F4D, etc.) They are a little more expensive than those at Homedepot.
Lights. I have a 50x50 hangar. I have 3 rolls of 3 - 8' foot florescent lights.
They OK but at times I wish I had 4 rolls instead of 3.
Electrical outlets should be numerous! I have a 4 outlet box every 10' Make sure
you have at least 2 220v outlets on either side of the hangar. I have only
one and of course, it's in the wrong place.
How you finish the floor makes you hangar special. Some like a real shiny polished
finish. No good when wet with oil or water. One color, (mine is light blue)
and as hard a two-part system as you can get. It needs to be stain proof.
No speckles, it makes it harder to find that small washer you drop. Fill in
all deep expansion joints with a flexible chauking. Every damn nut or bolt
you drop heads right for the bottom of that cut.
Paints you walls white. Helps with lighting.
Jim "Pappy" Goolsby
-----Original Message-----
From: Jon Blake <jblake207@comcast.net>
Sent: Tue, Jul 10, 2018 7:45 pm
Subject: Yak-List: Hangar fans and lights
My 50x60 hangar is almost completed... Now I want to add big ceiling fans and big
lights. Bigass fans are really nice but way too expensive... so does anyone
have any other fan suggestions?
What about overhead lights? LED of course... any suggestions there?
Jon Blake
Sent from my iPad
Message 7
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| Subject: | Housai 2350 Redline |
I have been adjusting blade angle for over a week and have yet to hit redline
on the tach. I have adjusted my blades to almost a flat angle and still cannot
hit 2350 RPM, my max has been 2250. I checked the small filter on the nosecase
and it is clean, I am getting full movement on the actuator with no movement
of the cable housing and my tach is accurate. Is my next step moving the arm
on the governor?
Phil
--------
Phil
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=481544#481544
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