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Pulsar-List Digest: 0 Msgs - 01/15/11

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Bob H

Joined: 01 Dec 2006
Posts: 43

Posted: Sun Jan 16, 2011 10:42 am Post subject: Pulsar-List Digest: 0 Msgs - 01/15/11

Heater Solutions-

I have avoided using the original Pulsar XP heater because of possible CO entrainment into cabin. So I tried installing a heat exchanger to use engine coolant as heating source but could not get sufficient heat and the cowl got really cluttered with additional plumbing.

So I'm asking whether anyone with the original heater that brought in cowl air from behind radiator ever had issues with CO contamination? It makes an easy heating source as long as no bad stuff gets in.

Bob H

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ccoulter(at)wavecable.com
Guest

Posted: Sun Jan 16, 2011 1:10 pm Post subject: Pulsar-List Digest: 0 Msgs - 01/15/11

On Sun, 16 Jan 2011 10:27:43 -0800 (GMT-08:00)

  bobh5(at)earthlink.net wrote:

[quote] 

 

 Heater Solutions-

 I have avoided using the original Pulsar XP heater 

because of possible CO entrainment into cabin. So I tried 

installing a heat exchanger to use engine coolant as 

heating source but could not get sufficient heat and the 

cowl got really cluttered with additional plumbing.

 So I'm asking whether anyone with the original heater 

that brought in cowl air from behind radiator ever had 

issues with CO contamination? It makes an easy heating 

source as long as no bad stuff gets in.

 Bob H

 

 

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freedom4life(at)xtra.co.n
Guest

Posted: Sun Jan 16, 2011 1:25 pm Post subject: Pulsar-List Digest: 0 Msgs - 01/15/11

Hi Bob



I have the original designed heater collecting heat from behind the 

radiator.  It will supply moderate heat during winter and I have never had a 

problem with CO.  I did change my exhaust system to something similar to 

Rick Thomasen's? design.  The original system cracked on numerous 

occassions.  I have not had any problems with the new exhaust system and it 

has been on now for over 1200 hours.  The draw back with this heater system 

is once I have got to the top of any mountain and start my descent there is 

very little heat comes from it as CHT falls to 80 C or less.  I have 

purchased an oil thermostat and perhaps when this is fitted it may help with 

maintaining warmer temperatures through the core?



Cliff

[quote] Heater Solutions-

 I have avoided using the original Pulsar XP heater because of possible CO 

 entrainment into cabin. So I tried installing a heat exchanger to use 

 engine coolant as heating source but could not get sufficient heat and the 

 cowl got really cluttered with additional plumbing.

 So I'm asking whether anyone with the original heater that brought in cowl 

 air from behind radiator ever had issues with CO contamination? It makes 

 an easy heating source as long as no bad stuff gets in.

 Bob H

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w7ikt(at)fly-web.us
Guest

Posted: Sun Jan 16, 2011 2:44 pm Post subject: Pulsar-List Digest: 0 Msgs - 01/15/11

Used the orgional Aero Designs Heater.

No Problems either with the SkyStar exhaust system or Tick T system.

Plenty of heat with the oil temp around 200 F.

Note: it is not used very often.

Pulsar XP N912RV

Shaving the Way to Conquer Kids' Cancer,

Bob & Carol Heiser

web page www.fly-web.us

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ronko(at)att.net
Guest

Posted: Sun Jan 16, 2011 2:48 pm Post subject: Pulsar-List Digest: 0 Msgs - 01/15/11

Bob,

  

 Have you looked at "The Neat Heater"

 http://store.leadingedgeairfoils.com/product_info.php?products_id=14953

 and its installation kit

 http://store.leadingedgeairfoils.com/product_info.php?products_id=14954

 new, from Leading Edge Air Foils?

  

 I created a similar system for my 582 win a 5" radiator used for liquid cooling computer microprocessor chips.  Their are lots of radiators out their like this of all different sizes and layers of cooling coils.  Nice thing is most use pipe fitting that are easily available at larger auto parts stores (I have a Napa Auto parts warehouse that I am a frequent customer and they are always willing to search for plumbing solutions).  The radiator I bought already had the correct hole spacing for a 5" (120mm) computer fan which also run off of 12Vdc.



 I wish my system provided more heat.  I think most of the time in cold weather, I am fussing with the right amount of duct tape blocking the radiators to get the coolant up in temperature, but not to cause over heating, and I am always running on the cool side.  Plus when my heater core valves are open, they share (parallel) the flow that goes through the nose radiators and I believe that the net flow through the heater core is low.

  

 I too like the radiator core heater system in the cabin system, but mine needs improvement also.

  

 Ron



   From: "bobh5(at)earthlink.net" <bobh5(at)earthlink.net>

To: pulsar-list(at)matronics.com

Sent: Sun, January 16, 2011 12:27:43 PM

Subject: Re: Pulsar-List Digest: 0 Msgs - 01/15/11



--> Pulsar-List message posted by: bobh5(at)earthlink.net (bobh5(at)earthlink.net)



Heater Solutions-

I have avoided using the original Pulsar XP heater because of possible CO entrainment into cabin. So I tried installing a heat exchanger to use engine coolant as heating source but could not get sufficient heat and the cowl got really cluttered with additional plumbing.

So I'm asking whether anyone with the original heater that brought in cowl air from behind radiator ever had issues with CO  contamination? It makes an easy heating source as long as no bad stuff gets in.

Bob H

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ghf4986(at)gmail.com
Guest

Posted: Sun Jan 16, 2011 3:03 pm Post subject: Pulsar-List Digest: 0 Msgs - 01/15/11

Hi Bob,



I have been using the original heater design but with a CO2 monitor.  Also I get some amount of air leakage around the canopy.  I have flown the plane at 16 degrees F and was marginally warm.   My oil temp was running at about 230 degrees F.

 

I installed an oil temperature thermostat when I was building the plane and it seemed to work well last winter.  This summer the oil temps were too hot so I removed the thermostat and now I have not been able this winter to fly as our weather has been terrible, low fog and clouds.

 

I am anxious to get in the air and see how my oil temps are and cabin heat.



Regards,



Dennis Adams

N3756CM



On Sun, Jan 16, 2011 at 11:27 AM,  <bobh5(at)earthlink.net (bobh5(at)earthlink.net)> wrote:

 [quote]--> Pulsar-List message posted by: bobh5(at)earthlink.net (bobh5(at)earthlink.net)

  

 Heater Solutions-

 I have avoided using the original Pulsar XP heater because of possible CO entrainment into cabin. So I tried installing a heat exchanger to use engine coolant as heating source but could not get sufficient heat and the cowl got really cluttered with additional plumbing.

  So I'm asking whether anyone with the original heater that brought in cowl air from behind radiator ever had issues with CO contamination? It makes an easy heating source as long as no bad stuff gets in.

 Bob H

 

 

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jerry(at)craftworks.biz
Guest

Posted: Sun Jan 16, 2011 4:53 pm Post subject: Pulsar-List Digest: 0 Msgs - 01/15/11

BOB, I HAVE HAD THE ORIGINAL PULSAR HEATER SINCE BUILDING THE PLANE, I DIDN'T EVEN GIVE AERO DESIGNS ANY MONEY FOR IT BECAUSE THEY SENT ME A DRAWING OF IT AND I THOUGHT I CAN MAKE THIS IN 5 MINUTES AND DID.  TOTAL HEATING SYSTEM WEIGHT ABOUT 1 POUND!  AND I CAN GO OUT ON A 5 DEGREE DAY IN A T-SHIRT AND BE JUST FINE!  CO PROBLEM... NEVER BUT I DO HAVE A CO DETECTOR AND HAVE NEVER HAD A WARNING FROM IT.  JERRY



-----ORIGINAL MESSAGE-----

FROM: OWNER-PULSAR-LIST-SERVER(at)MATRONICS.COM [MAILTO:OWNER-PULSAR-LIST-SERVER(at)MATRONICS.COM] ON BEHALF OF BOBH5(at)EARTHLINK.NET

SENT: SUNDAY, JANUARY 16, 2011 1:28 PM

TO: PULSAR-LIST(at)MATRONICS.COM

SUBJECT: PULSAR-LIST: RE: PULSAR-LIST DIGEST: 0 MSGS - 01/15/11



--> PULSAR-LIST MESSAGE POSTED BY: BOBH5(at)EARTHLINK.NET



HEATER SOLUTIONS-

I HAVE AVOIDED USING THE ORIGINAL PULSAR XP HEATER BECAUSE OF POSSIBLE CO ENTRAINMENT INTO CABIN. SO I TRIED INSTALLING A HEAT EXCHANGER TO USE ENGINE COOLANT AS HEATING SOURCE BUT COULD NOT GET SUFFICIENT HEAT AND THE COWL GOT REALLY CLUTTERED WITH ADDITIONAL PLUMBING.

SO I'M ASKING WHETHER ANYONE WITH THE ORIGINAL HEATER THAT BROUGHT IN COWL AIR FROM BEHIND RADIATOR EVER HAD ISSUES WITH CO CONTAMINATION? IT MAKES AN EASY HEATING SOURCE AS LONG AS NO BAD STUFF GETS IN.

BOB H

-----ORIGINAL MESSAGE-----

 	  Quote: 	
		  FROM: PULSAR-LIST DIGEST SERVER <PULSAR-LIST(at)MATRONICS.COM>

SENT: JAN 15, 2011 11:57 PM

TO: PULSAR-LIST DIGEST LIST <PULSAR-LIST-DIGEST(at)MATRONICS.COM>

SUBJECT: PULSAR-LIST DIGEST: 0 MSGS - 01/15/11



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kdpalmer(at)mweb.co.za
Guest

Posted: Sun Jan 16, 2011 11:19 pm Post subject: Pulsar-List Digest: 0 Msgs - 01/15/11

Hi Bob,

               Did you use a fan behind your heat exchanger in the cockpit ?



Keith



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