Matronics Email Lists :: View topic - Carb Heat on Rotax 912 ULS?

Matronics Email Lists
Web Forum Interface to the Matronics Email Lists

Get Email Distribution Too! FAQ Search Memberlist Usergroups Register

Profile Log in to check your private messages Log in

Carb Heat on Rotax 912 ULS?

Matronics Email Lists Forum Index -> Zenith-List

View previous topic :: View next topic

Author Message

arno7452(at)bellsouth.net
Guest

Posted: Fri Feb 02, 2007 2:09 pm Post subject: Carb Heat on Rotax 912 ULS?

Dear Listers,

  

 I am installing 912 ULS on a CH 701.  Due to its cost and  perhaps debatable utility, I have been advised to leave it off.  I sure  would like to hear some comments from the list as to whether this is a good  approach.

  

 I am taking lessons in an Evektor Sportstar with 912S  engine.  So far, we have never used the carb heat.  I am flying in  Goldsboro, NC.  That is about 60 miles east of Raleigh.  As I recall  flying the Continental O-200, we used carb heat anytime under 2K rpm.  

  

 The POH on the Sportstar only requires carb heat if you  suspect icing.  i.e. engine starting to lose power and run  rough.

  

 Many thanks,

 Ken Arnold

 Pikeville, NC

  

 Building CH701 - hoping to fly it in May,  07

   [quote][b]

msherman95632(at)yahoo.co
Guest

Posted: Fri Feb 02, 2007 2:59 pm Post subject: Carb Heat on Rotax 912 ULS?

Ken.

  

 Not sure who advised you to leave off the carb heat, sounds like Zenith.  For some reason they (Zenith) have not been supporting the carb heat/cold air intake on the 701.  The Rotax 912ULS comes with a manifold that is just for that purpose. According to Rotax you will not get all the 100 HP you paid for on the 912ULS with out this manifold.

  

 Zenith first said it wouldn't fit under the cowling, a fellow 701 builder down the street fit it under his just fine.  Now they (Zenith) have developed a new cowling and still don't support the cold air intake.  So that 100 HP you paid dearly for, is only giving you about 90 HP on take off.

  

 That is the biggest reason I bought my Rotax and FWF from SkyShops.

  

 Mark S.

 701/912ULS

 ---

georgerace

Joined: 25 Oct 2006
Posts: 788
Location: Albion, MI

Posted: Fri Feb 02, 2007 4:43 pm Post subject: Carb Heat on Rotax 912 ULS?

There is yet another  way to heat the carbs, a very simple way using 12 VDC power.

  

 I am building a 701  with a Jabiru 2200A engine.  Recently I received a carb heat unit from  Jabiru USA in Tennessee as part of my FWF kit.

  

 I am very impressed  with the "Heater Kit", it even comes with taps to thread the holes for  mounting.

  

 I am sure that Pete  at Jabiru USA can provide you with price and details.

  

 Take a look at this  UK WebSite for all the details on the heater unit.

  

 http://www.jabiru.co.uk/other/carb_ice_eliminator.htm

  

 I am sure this is  yet another way to make sure you do not have ANY carb ice formation, without a  muffler muff and all the associated stuff that goes with it.

  

 George

  

  

   [quote][b]

_________________
Check out my CH-701 project at:
http://www.mykitairplane.com

NYTerminat(at)aol.com
Guest

Posted: Fri Feb 02, 2007 7:00 pm Post subject: Carb Heat on Rotax 912 ULS?

In a message dated 2/2/2007 5:11:00 P.M. Eastern Standard Time,  arno7452(at)bellsouth.net writes:

  

 Ken,

  

 I have the 701 with the firewall forward package from Czech works and it  came with the carb heat box. Had to use it a month ago while doing some touch  and goes and some engine out practice. While taking back off from the runway she  stumbled a bit,pulled the carb heat and she cleared right up. The advantage to  using the box with this firewall forward package is that you are not sucking in  heated air all the time, which allows you to develop more HP. Not sure what  setup you have and are installing. I also recommend installing a oil cooler  thermostat, this helps in getting your oil temps up quicker and not having to  tape off your oil cooler in the cooler weather. I might even consider the ring  mount engine mount. looks like a lot more room to get things run.

  

 Bob Spudis

 N701ZX/912uls/100hrs

  

  

  

  	  Quote: 	
		     Dear Listers,

    

   I am installing 912 ULS on a CH 701.  Due to its cost    and perhaps debatable utility, I have been advised to leave it off.  I    sure would like to hear some comments from the list as to whether this is a    good approach.

    

   I am taking lessons in an Evektor Sportstar with 912S    engine.  So far, we have never used the carb heat.  I am flying in    Goldsboro, NC.  That is about 60 miles east of Raleigh.  As I recall    flying the Continental O-200, we used carb heat anytime under 2K rpm.    

    

   The POH on the Sportstar only requires carb heat if you    suspect icing.  i.e. engine starting to lose power and run    rough.

    

   Many thanks,

   Ken Arnold

   Pikeville, NC

    

   Building CH701 - hoping to fly it in May, 07

 	  Quote: 	
		  

	
	
 

  

  [quote][b]

dave.thompson(at)verizon.
Guest

Posted: Sat Feb 03, 2007 5:19 pm Post subject: Carb Heat on Rotax 912 ULS?

Ken,



Before you make your final decision on NOT installing Carb Heat, read the article on the Flycorvair.com website. (use the link below) whether you install a Rotax, Jabaru, Corvair or whatever, this article makes some very interesting points.



My flight instructor trained me never to guess. ALLWAYS use carb heat before any major throttle reduction. Everyone has their opinions. I'd rather be safe than sorry.



http://flycorvair.com/carbice.html



Dave Thompson

Westminster, Ca

Corvair Engine in parts, Rudder & just starting stab



Archive this

David X

Joined: 10 Jan 2006
Posts: 154
Location: Princeton, NJ, USA

Posted: Sat Feb 03, 2007 10:03 pm Post subject: Re: Carb Heat on Rotax 912 ULS?

I've experienced carb icing in every airplane I ever flew on a regular basis, including my 601 with Rotax 912S. It's usually when flying near thunder showers when temps are in the 40s, but not always. Carb heat cleared it up every time ... and now I just turn it on automatically when I know icing is possible.



I know expense is a factor for a lot of kit builders, but some things are just not worth skimping on.

_________________
Zodiac 601 XL - CZAW Built - Rotax 912S
DO NOT ARCHIVE

Tommy Walker

Joined: 12 Jan 2006
Posts: 442
Location: Anniston, AL 36207

Posted: Sun Feb 04, 2007 7:20 am Post subject: Carb Heat on Rotax 912 ULS?

Lockwood Aviation http://www.lockwood-aviation.com sells a carb heat device.  I think they are one of the largest Rotax dealers in the U.S.  I see it in their catalog, but their website is the most difficult site I’ve ever encountered when searching for parts.    

       [quote][b]

_________________
Tommy Walker
N25A - Anniston, AL

cscsail(at)gmavt.net
Guest

Posted: Sun Feb 04, 2007 7:49 am Post subject: Carb Heat on Rotax 912 ULS?

I agree --- trying to navigate the Lockwood  online catalog takes more patience than I have. I have their printed catalog,  but for a lot of  items it says to go to the online catalog for  details and cost. I did order an engine from them (haven't seen it  yet),  and had planned on purchasing engine instruments and other  misc. from them, but it was just to difficult. I've heard good things about the  company, but I think they are missing out on sales because of poor website  design.

 Gordon  

 [quote]   ---

NYTerminat(at)aol.com
Guest

Posted: Sun Feb 04, 2007 12:09 pm Post subject: Carb Heat on Rotax 912 ULS?

Thanks for saying that their site is difficult. It has to be the  MOST difficult site to try to order from!!!! I get so  frustrated by them and have told them many times, but seems to have fallen on  deaf ears.

  

 Do not archive

 Bob Spudis

  

  

  

 In a message dated 2/4/2007 10:22:27 A.M. Eastern Standard Time,  twalker(at)cableone.net writes:

  	  Quote: 	
		        

Lockwood Aviation http://www.lockwood-aviation.com    sells a carb heat device.  I think they are one of the largest Rotax    dealers in the U.S.  I see it in their    catalog, but their website is the most difficult site Iâ€™ve ever encountered    when searching for parts.  

 	  Quote: 	
		  

	
	


 

  

  [quote][b]

David X

Joined: 10 Jan 2006
Posts: 154
Location: Princeton, NJ, USA

Posted: Sun Feb 04, 2007 8:20 pm Post subject: Re: Carb Heat on Rotax 912 ULS?

I agree that their web site is awful. I usually just call on the phone, they take care of me.

_________________
Zodiac 601 XL - CZAW Built - Rotax 912S
DO NOT ARCHIVE

marinegunner(at)gmail.com
Guest

Posted: Mon Feb 05, 2007 9:47 am Post subject: Carb Heat on Rotax 912 ULS?

Lotsa dead pilots, including their passengers, who did not use carb heat. Not putting it on could lead to a life defining event.

  

 Do Not Archive

-- 

Semper Fi,

Steven R. Hulland

CH 600 Taildragger

Amado, AZ



This and all other incoming/outgoing email, attachments and replies scanned prior to opening/sending and uses an external firewall to help insure virus free email and attachments.  

  [quote][b]

john.marzulli(at)gmail.co
Guest

Posted: Mon Feb 05, 2007 11:15 am Post subject: Carb Heat on Rotax 912 ULS?

The 0-200 in my 150 gets carb ice if I even look at it wrong, but then again Seattle tends to have moist air in the right temperature ranges most of the year.



Once in a rented 172, somewhere south of Denali/McKinley I got some bad carb ice, so bad that there was some sputtering when I applied heat. It had only been five minutes since I had last checked for carb ice. Luckily it cleared up and all was OK. 



Nothing will convince you more that carb heat needs to be checked often even in cruise than then impending reality of an engine failure somewhere in Alaska during the winter.



-John in Seattle



 On 2/5/07, Steve Hulland <marinegunner(at)gmail.com (marinegunner(at)gmail.com)> wrote:[quote] Lotsa dead pilots, including their passengers, who did not use carb heat. Not putting it on could lead to a life defining event.

  

 Do Not Archive

-- 

Semper Fi,

Steven R. Hulland

CH 600 Taildragger

Amado, AZ



This and all other incoming/outgoing email, attachments and replies scanned prior to opening/sending and uses an external firewall to help insure virus free email and attachments.  

   	  Quote: 	
		  [b]  http://www.matronics.com/Navigator?Zenith-List http://forums.matronics.com 

	


-- 

John Marzulli

http://701Builder.blogspot.com/



"Flying a plane is no different than riding a bicycle... it's just a lot harder to put baseball cards in the spokes.  [quote][b]

Gig Giacona

Joined: 10 Jan 2006
Posts: 1416
Location: El Dorado Arkansas USA

Posted: Mon Feb 05, 2007 12:14 pm Post subject: Re: Carb Heat on Rotax 912 ULS?

If you have a carb you can get carb ice. You may have to be a member but here is an excellent article on the subject with a great chart showing how ice even if the ambient temp is over 100.



http://flighttraining.aopa.org/members/student_pilot/presolo/articles/58.cfm



[quote="arno7452(at)bellsouth.net"]Dear Listers,

  

 I am installing 912 ULS on a CH 701.  Due to its cost and  perhaps debatable utility, I have been advised to leave it off.  I sure  would like to hear some comments from the list as to whether this is a good  approach.

  

 I am taking lessons in an Evektor Sportstar with 912S  engine.  So far, we have never used the carb heat.  I am flying in  Goldsboro, NC.  That is about 60 miles east of Raleigh.  As I recall  flying the Continental O-200, we used carb heat anytime under 2K rpm.  

  

 The POH on the Sportstar only requires carb heat if you  suspect icing.  i.e. engine starting to lose power and run  rough.

  

 Many thanks,

 Ken Arnold

 Pikeville, NC

  

 Building CH701 - hoping to fly it in May,  07

    	  Quote: 	
		  [b]

_________________
W.R. "Gig" Giacona
601XL Under Construction
See my progress at www.peoamerica.net/N601WR

NYTerminat(at)aol.com
Guest

Posted: Mon Feb 05, 2007 12:22 pm Post subject: Carb Heat on Rotax 912 ULS?

Kevin,

 What are you going to do when your Rotax starts running rough and loosing  power?

  

 Bob Spudis

 N701ZX /CH-701/912uls/100hrs/carb heat(had to use once so far)

 do not archive

  

  

  

  

 In a message dated 2/5/2007 3:17:54 P.M. Eastern Standard Time,  wr.giacona(at)cox.net writes:

  	  Quote: 	
		  The POH    on the Sportstar only requires carb heat if you  suspect icing.     i.e. engine starting to lose power and run  rough.

  

Many    thanks,

Ken Arnold

Pikeville, NC

  

Building CH701 - hoping    to fly it in May,  07

   

	


 

  

  [quote][b]

Tommy Walker

Joined: 12 Jan 2006
Posts: 442
Location: Anniston, AL 36207

Posted: Mon Feb 05, 2007 1:13 pm Post subject: Re: Carb Heat on Rotax 912 ULS?

Hi Bob,



I decided to call Lockwood and ask about the Carb Heat Kit.  The lady was very nice.  She said they did sell the kit.  She directed me to the manufacturer's web site  http://www.skydrive.co.uk/sd_sa_ch.asp .  She said this was in the UK, so I'm not sure what state that is    .



Lockwood sells two versions, with and without a gauge, priced $295 and $325 respectively.  I had a Carburetor temperature gauge on my old Cessna and it was very accurate.  I included it in my instrument scan while flying.  



So, if anyone is interested in buying a carb heat kit from Lockwood, then this is the item.  It is also on page 154 of their 2006-2007 Catalog.  



Tommy Walker in Alabama

Do Archive



[quote="NYTerminat(at)aol.com"]Thanks for saying that their site is difficult. It has to be the  MOST difficult site to try to order from!!!! I get so  frustrated by them and have told them many times, but seems to have fallen on  deaf ears.

  

 Do not archive

 Bob Spudis

  

  

  

 In a message dated 2/4/2007 10:22:27 A.M. Eastern Standard Time,  twalker(at)cableone.net writes:

  	  Quote: 	
		        

Lockwood Aviation http://www.lockwood-aviation.com    sells a carb heat device.  I think they are one of the largest Rotax    dealers in the U.S.  I see it in their    catalog, but their website is the most difficult site Iâ€™ve ever encountered    when searching for parts.  

 	  Quote: 	
		  

	
	


 

  

   	  Quote: 	
		  [b]

_________________
Tommy Walker
N25A - Anniston, AL

beachyjeff(at)juno.com
Guest

Posted: Mon Feb 05, 2007 2:38 pm Post subject: Carb Heat on Rotax 912 ULS?

Add me to the group that finds Lockwood's web site impossible. They have

been terrific on the phone, but I gave up on web orders. Cost them some

sales from me as well. 



Jeff Beachy

CH701, 85% completed



Do Not Archive

JERICKSON03E(at)aol.com
Guest

Posted: Mon Feb 05, 2007 2:47 pm Post subject: Carb Heat on Rotax 912 ULS?

Looks like there are at least three approaches to carb heat for the 912S.

  

 Heated air, carb heat air box system.

  

 Hot coolant flow, see in Lockwood catalogue.

  

 Electric heat, again in Lockwood catalogue.

  

 Any experience or comments please. 

  [quote][b]

ggower_99(at)yahoo.com
Guest

Posted: Tue Feb 06, 2007 12:39 am Post subject: Carb Heat on Rotax 912 ULS?

Looking for earth-friendly autos? 

 Browse Top Cars by "Green Rating" at Yahoo! Autos' Green Center.   [quote][b]

pilot4pay

Joined: 01 Jan 2007
Posts: 171
Location: Louisville, KY

Posted: Tue Feb 06, 2007 6:28 am Post subject: Carb Heat on Rotax 912 ULS?

Looks like SPAM, smells like SPAM…..  

Do not archive  

         

  

From: owner-zenith-list-server(at)matronics.com [mailto:owner-zenith-list-server(at)matronics.com] On Behalf Of Gary Gower

 Sent: Tuesday, February 06, 2007 3:38 AM

 To: zenith-list(at)matronics.com

 Subject: Re: Re: Carb Heat on Rotax 912 ULS?  

  

       

  

Looking for earth-friendly autos? 

 Browse Top Cars by "Green Rating" at Yahoo! Autos' Green Center.   [quote]  [b]

_________________
Craig Smith
CH640 builder
SN: 0078

"Just think how stupid the average person is,
and then realize that half of them are even stupider!"
--George Carlin

Display posts from previous:

	Matronics Email Lists Forum Index -> Zenith-List	All times are GMT - 8 Hours
Page 1 of 1

Jump to:

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum