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carburetor ice question

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Arksey(at)aol.com
Guest

Posted: Wed Nov 08, 2006 2:46 pm Post subject: carburetor ice question

Hello Group,

      Has anyone had carburetor ice  problems running a 503 rotax? I had to land in a hayfield today, engine was  running sporadic, pulled on some enricher and that did not seem to help, could  not reach to primer or i would have tried that,  kept loosing RPM, engine  quit when I throttled back to land. After landing I pulled engine thru and it  was not seized up so i checked things over, there seemed to be fuel in the carb.  when I pumped the primer bulb so i tried to start engine and it started ran ok  and developed full RPM's    I checked the mags and took off as I  was only about 1 mile from my strip. It ran fine. However I now want to  determine what was wrong...The condition's was excellent for carb. icing, but I  have not much time on 2 cycle engines and am not familiar with them as  pertaining to carb. ice.

     Thanks in advance for your imput....and by the  way the Kolb handled a wet hay field very good.  

   

 firestar ll 503 dual carb and ing.

 jim swan MI

  

 do not archive

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planecrazzzy
Guest

Posted: Wed Nov 08, 2006 3:26 pm Post subject: Re: carburetor ice question

I had the same thing happen with my 582 after take-off in my Powered Parachute.... My Dad told me ( later ) that I should have hit the primer...



   Somebody's supposed to bring a fist full of cash and haul my PPC away today.... I'll finally have the room to start my next plane ( W-10 )



                  Gotta Fly...

.

.

.

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pj.ladd(at)btinternet.com
Guest

Posted: Fri Nov 10, 2006 9:21 am Post subject: carburetor ice question

Has anyone had carburetor ice  problems  running a 503 rotax? >>

  

 Hi ,

 not too serious. I had it happen a couple of times  in my Challenger which with the high wing pusher position is similar to the  Kolb.

  

 When the engine coughed I slowly  opened the  throttle and that kicked the ice on through. Never had to land out becauase of  it.

  

 Cheers

  

 Pat

  

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cwolf41(at)comcast.net
Guest

Posted: Fri Nov 10, 2006 11:17 am Post subject: carburetor ice question

On Fri, 10 Nov 2006 17:13:10 -0000, you wrote:



 	  Quote: 	
		  Has anyone had carburetor ice  problems running a 503 rotax? >>


	


I was once flying a powered parachute, at dusk, temperature about 68

degrees, and humidity so high that fog was starting to form.  503 engine

suddenly coughed and died.  Couldn't be restarted.  I landed unpowered in

the nearest hayfield.  No problem.  Tried to restart the engine shortly

after landing.  Started just fine.  Figured I must have had a seizure, so I

opened the engine up.  No sign of a seizure anywhere.  Figured it must have

been carb ice (most likely explanation).



I solved the problem by buying an electric carb heater (Cyclone)  It was an

electrically heated ring of metal that fit around the throat of the carb

air intake, and warmed the metal enough to prevent ice crystals from

sticking.  Ran off the 503 electrical output.  Never had an another engine

failure.  Very nice gadget.



Chris Wolf

cwolf41(at)comcast.net

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