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jbhart(at)onlyinternet.ne
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 Posted: Thu Feb 09, 2012 2:58 pm Post subject: Tillotson Carburetor Icing |
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Phil and Mike,
I up dated my page on the Tillotson. It can be found at:
http://jackbhart.com/firefly/firefly153.html
I thought about using ultra bright LEDs but it became too complicated and
expensive. The next best bet was to use ceramic coated wire wound resisters.
But then I found these little stud heaters, and they seemed to be the best
bet for getting the heat to where it was needed, and the price was right.
Dana,
My object is to keep the carburetor from icing up while mucking around on or
close to the ground when the engine is operating below its normal cruise
speed. I did not consider a free air heater as it would be too heavy and I
did not want to loose any horses too. When you do not have many, you want
to keep them whipped up and running.
Jack B. Hart FF004
Winchester, IN
...........................................
Date: Wed, 8 Feb 2012 10:16:02 -0800 (PST)
From: Phil <phactor9(at)yahoo.com>
Subject: Re: CARB ICING 912
Hi Jack: I'm holding my Tillotson in my hand. I would love to know exactly
where you drilled  ..................
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phactor9
Joined: 16 Jun 2011
Posts: 78
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| Posted: Thu Feb 16, 2012 1:29 pm Post subject: Tillotson Carburetor Icing |
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Thanks, Jack. Good info.
Just for grins, I fashioned this device one evening out of some 1/2" alum tubing. Does it work? No idea; it sure gets hot. I've done no testing, nor plan to any time soon - I just wanted to share the attempt. Bulb type: JC GY6.35 12v 50w, eBay, I bought 10 of them for around $8 total.
http://phactor.com/CarbHeater_3.jpg
http://phactor.com/CarbHeater_2.jpg
http://phactor.com/CarbHeater_off.jpg
http://phactor.com/CarbHeater_on.jpg
http://phactor.com/CarbHeater_1.jpg
Phil H
FF-11-4-0076
--- On Thu, 2/9/12, Jack B. Hart <jbhart(at)onlyinternet.net> wrote:
| Quote: |
From: Jack B. Hart <jbhart(at)onlyinternet.net>
Subject: Tillotson Carburetor Icing
To: kolb-list(at)matronics.com
Date: Thursday, February 9, 2012, 6:05 PM
--> Kolb-List message posted by: "Jack B. Hart" <jbhart(at)onlyinternet.net (jbhart(at)onlyinternet.net)>
Phil and Mike,
I up dated my page on the Tillotson. It can be found at:
http://jackbhart.com/firefly/firefly153.html
I thought about using ultra bright LEDs but it became too complicated and
expensive. The next best bet was to use ceramic coated wire wound resisters.
But then I found these little stud heaters, and they seemed to be the best
bet for getting the heat to where it was needed, and the price was right.
Dana,
My object is to keep the carburetor from icing up while mucking around on or
close to the ground when the engine is operating below its normal cruise
speed. I did not consider a free air heater as it would be too heavy and I
did not want to loose any horses too. When you do not have many, you want
to keep them whipped up and running.
Jack B. Hart FF004
Winchester, IN
............................................
Date: Wed, 8 Feb 2012 10:16:02 -0800 (PST)
From: Phil <phactor9(at)yahoo.com (phactor9(at)yahoo.com)>
Subject: Re: CARB ICING 912
Hi Jack: I'm holding my Tillotson in my hand. I would love to know exactly
where you drilled ..................
http://www.matronics.com/Navigator?Kolb-Lis --> http://www.======================
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[quote][b]
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Eugene Zimmerman
Joined: 10 Jan 2006
Posts: 392
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| Posted: Fri Feb 17, 2012 6:05 am Post subject: Tillotson Carburetor Icing |
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Phil,
Please let us know how many in-flight " heat on" minutes the life span of the bulb is mounted in that configuration on a 2-stroke engine.
On Feb 16, 2012, at 4:29 PM, Phil wrote:
[quote]Thanks, Jack. Good info.
Just for grins, I fashioned this device one evening out of some 1/2" alum tubing. Does it work? No idea; it sure gets hot. I've done no testing, nor plan to any time soon - I just wanted to share the attempt. Bulb type: JC GY6.35 12v 50w, eBay, I bought 10 of them for around $8 total.
http://phactor.com/CarbHeater_3.jpg
http://phactor.com/CarbHeater_2.jpg
http://phactor.com/CarbHeater_off.jpg
http://phactor.com/CarbHeater_on.jpg
http://phactor.com/CarbHeater_1.jpg
Phil H
FF-11-4-0076
--- On Thu, 2/9/12, Jack B. Hart <jbhart(at)onlyinternet.net (jbhart(at)onlyinternet.net)> wrote:
| Quote: |
From: Jack B. Hart <jbhart(at)onlyinternet.net (jbhart(at)onlyinternet.net)>
Subject: Tillotson Carburetor Icing
To: kolb-list(at)matronics.com (kolb-list(at)matronics.com)
Date: Thursday, February 9, 2012, 6:05 PM
--> Kolb-List message posted by: "Jack B. Hart" <jbhart(at)onlyinternet.net (jbhart(at)onlyinternet.net)>
Phil and Mike,
I up dated my page on the Tillotson. It can be found at:
http://jackbhart.com/firefly/firefly153.html
I thought about using ultra bright LEDs but it became too complicated and
expensive. The next best bet was to use ceramic coated wire wound resisters.
But then I found these little stud heaters, and they seemed to be the best
bet for getting the heat to where it was needed, and the price was right.
Dana,
My object is to keep the carburetor from icing up while mucking around on or
close to the ground when the engine is operating below its normal cruise
speed. I did not consider a free air heater as it would be too heavy and I
did not want to loose any horses too. When you do not have many, you want
to keep them whipped up and running.
Jack B. Hart FF004
Winchester, IN
............................................
Date: Wed, 8 Feb 2012 10:16:02 -0800 (PST)
From: Phil <phactor9(at)yahoo.com (phactor9(at)yahoo.com)>
Subject: Re: CARB ICING 912
Hi Jack: I'm holding my Tillotson in my hand. I would love to know exactly
where you drilled ..................
http://www.matronics.com/Navigator?Kolb-Lis --> [url=http://forums.matronics.com/][/url]http://www.======================
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href="http://www.matronics.com/Navigator?Kolb-List">http://www.matronics.com/Navigator?Kolb-List
href="http://forums.matronics.com/">http://forums.matronics.com
href="http://www.matronics.com/contribution">http://www.matronics.com/contribution
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[b]
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John Hauck
Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)
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| Posted: Fri Feb 17, 2012 6:33 am Post subject: Tillotson Carburetor Icing |
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Please let us know how many in-flight " heat on" minutes the life span of
the bulb is mounted in that configuration on a 2-stroke engine.
Gene Z/Kolbers:
Wayyyy back in the early days, I mounted my dual strobes, built from a kit,
on my Ultrastar. One under the nose and the other on top of the cooling
shroud of the screaming 447. The strobe tube lasted about an hour before it
went belly up. Vibration ate it up.
Bulbs may last a little longer mounted on the carb because of the rubber
carb boot.
Don't know if you were referring to vibration or burn time before failure,
but wanted to share that little tidbit.
john h
mkIII
Titus, Alabama
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John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama |
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Eugene Zimmerman
Joined: 10 Jan 2006
Posts: 392
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| Posted: Fri Feb 17, 2012 8:02 am Post subject: Tillotson Carburetor Icing |
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Yep vibration AND overheating in such a confined enclosure.
On Feb 17, 2012, at 9:33 AM, John Hauck wrote:
[quote]Don't know if you were referring to vibration or burn time before failure,
but wanted to share that little tidbit.
[b]
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jbhart(at)onlyinternet.ne
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| Posted: Sun Feb 19, 2012 7:38 am Post subject: Tillotson Carburetor Icing |
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At 08:33 AM 2/17/12 -0600, you wrote:
| Quote: |
......................>
Bulbs may last a little longer mounted on the carb because of the rubber
carb boot.
.........................
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John,
The Tillotson carburetor is designed to be direct flange mounted. No boot
is necessary.
Jack B. Hart FF004
Winchester, IN
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John Hauck
Joined: 09 Jan 2006
Posts: 4639
Location: Titus, Alabama (hauck's holler)
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| Posted: Sun Feb 19, 2012 8:03 am Post subject: Tillotson Carburetor Icing |
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The Tillotson carburetor is designed to be direct flange mounted. No boot
is necessary.
Jack B. Hart FF004
Morning Jack H/Gang:
In that case bulb life will probably be drastically shorted, unless the
system is shock mounted.
john h
mkIII
Titus, Alabama
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_________________
John Hauck
MKIII/912ULS
hauck's holler
Titus, Alabama |
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