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Engine choice

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mjpienaar(at)shaw.ca
Guest

Posted: Mon Jul 26, 2010 1:13 am Post subject: Engine choice

Hi all,

  

 Would appreciate your comments and advise. I'm  building a TR4 and want to confirm my engine choice will work.

  

 I bought a factory remanufactured LOM M332CE 170 HP  aircraft engine with a LOM V541 constant speed propeller. This is a supercharged  motor with the ability to engage and disengage the supercharger. The engine  weight is +/- 250 lbs and fuel consumption is 7.6 GPH. The 170 HP is  developed at 3000 rpm 

 When I bought the motor I spoke to a Mr E David at  Moravia who were then the distributors and he confirmed that he had discussions  with KIS and the motor would be suitable.

  

 The only specs I can find on the web is  at:

 http://members.fortunecity.com/xenviro/Sites/CarterEngines/LOMPraha4.htm

  but my engine is not included here.  

  

 At the time I bought the motor I was living at an  altitude of 5000 feet  and thought the supercharger and  low  weight combined with the constant speed prop would not put me at any  disadvantage compared to a normally aspirated 0-360 Lycoming with  fixed prop.

  

 I am about to have the engine mount made and want  to make sure I'm OK with this installation or should I switch over to a  Lycoming?

  

 Thanks for your help

  

 Mike

  

  

   [quote][b]

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jpetrie(at)sonicfactory.c
Guest

Posted: Mon Jul 26, 2010 5:38 am Post subject: Engine choice

Hi Mike,

 

 I’m sure you know my feelings!

 

 Change to the Lycoming. I have had 550 hours of trouble free, peace of mind flying since I did.

 

 John

 ZU-BKK

 

 

 From: Mike Pienaar <[url=mjpienaar(at)shaw.ca]mjpienaar(at)shaw.ca[/url]>

 Reply-To: <[url=kis-list(at)matronics.com]kis-list(at)matronics.com[/url]>

 Date: Mon, 26 Jul 2010 02:12:55 -0700

 To: KISBUILDERS <[url=kis-list(at)matronics.com]kis-list(at)matronics.com[/url]>

 Subject: Engine choice

 

 Hi all,

  

 Would appreciate your comments and advise. I'm building a TR4 and want to confirm my engine choice will work.

  

 I bought a factory remanufactured LOM M332CE 170 HP aircraft engine with a LOM V541 constant speed propeller. This is a supercharged motor with the ability to engage and disengage the supercharger. The engine weight is +/- 250 lbs and fuel consumption is 7.6 GPH. The 170 HP is developed at 3000 rpm 

 When I bought the motor I spoke to a Mr E David at Moravia who were then the distributors and he confirmed that he had discussions with KIS and the motor would be suitable.

  

 The only specs I can find on the web is at:

 http://members.fortunecity.com/xenviro/Sites/CarterEngines/LOMPraha4.htm

  but my engine is not included here. 

  

 At the time I bought the motor I was living at an altitude of 5000 feet  and thought the supercharger and  low weight combined with the constant speed prop would not put me at any disadvantage compared to a normally aspirated 0-360 Lycoming with fixed prop.

  

 I am about to have the engine mount made and want to make sure I'm OK with this installation or should I switch over to a Lycoming?

  

 Thanks for your help

  

 Mike

  

  

 

 

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mantafs(at)earthlink.net
Guest

Posted: Mon Jul 26, 2010 5:38 am Post subject: Engine choice

Hi Mike,



I can not tell from the web page but I do not think the engine power is altitude normalized.  In other words it looses power with altitude just like a non super charged engine.  But the constant speed prop should help so I would guess it will have about the same takeoff and climb thrust as a 180 hp Lycoming at any altitude.



Of course lighter is better.  But I assume you are keeping the same gross weight.



There has been at least one TR4 with a 160 hp O-320 Lycoming and fixed pitch prop, so your 170 hp LOM (if it really has 170 hp) should work fine.



Mark



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richard_trickel(at)yahoo.
Guest

Posted: Mon Jul 26, 2010 7:11 am Post subject: Engine choice

Mike 

 Correct me if I am wrong but I think your engine is a six cylinder inline.  I looked at this engine and felt that there numbers were a little off in both weight and horsepower.  Would it work? Probably.  and it is an aircraft engine so it is in the right direction.  Would I put it in is another question.  since you already have it I would get a real all up weight of the engine/prop and find out where the engine CG is. Don´t forget the speciel baffling it needs. From that point run the number on a weight and balance.  I would bet the cg is well forward as compared to the Lyc.  This doesn`t mean it wont work.  What do you have to do to make it work.  

 The super charger will give you more horsepower for takeoff and aI think its manual so you can turn it on and off. Things to think about.

 Rich



--- On Mon, 7/26/10, Mike Pienaar <mjpienaar(at)shaw.ca> wrote:



  	  Quote: 	
		  

From: Mike Pienaar <mjpienaar(at)shaw.ca>

Subject: Engine choice

To: "KISBUILDERS" <kis-list(at)matronics.com>

Date: Monday, July 26, 2010, 9:12 AM



    Hi all,

  

 Would appreciate your comments and advise. I'm building a TR4 and want to confirm my engine choice will work.

  

 I bought a factory remanufactured LOM M332CE 170 HP aircraft engine with a LOM V541 constant speed propeller. This is a supercharged motor with the ability to engage and disengage the supercharger. The engine weight is +/- 250 lbs and fuel consumption is 7.6 GPH. The 170 HP is developed at 3000 rpm 

 When I bought the motor I spoke to a Mr E David at Moravia who were then the distributors and he confirmed that he had discussions with KIS and the motor would be suitable.

  

 The only specs I can find on the web is at:

 http://members.fortunecity.com/xenviro/Sites/CarterEngines/LOMPraha4.htm

  but my engine is not included here. 

  

 At the time I bought the motor I was living at an altitude of 5000 feet  and thought the supercharger and  low weight combined with the constant speed prop would not put me at any disadvantage compared to a normally aspirated 0-360 Lycoming with fixed prop.

  

 I am about to have the engine mount made and want to make sure I'm OK with this installation or should I switch over to a Lycoming?

  

 Thanks for your help

  

 Mike

  

  

 	  Quote: 	
		  



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mjpienaar(at)shaw.ca
Guest

Posted: Mon Jul 26, 2010 6:18 pm Post subject: Engine choice

Hi Rich and others,

  

 Thanks for the input.

  

 Rich, this is the 4 cylinder version so I did not  think that weight would be an issue

  

 Thanks for all the help

  

 Mike

 [quote]   ---

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sstearns2(at)yahoo.com
Guest

Posted: Mon Jul 26, 2010 6:51 pm Post subject: Engine choice

Hi Mike,

  

 Is the prop intended for use at 3000 rpm?  The M/T has a limit of 2800 rpm I think.  I couldn't find anything on your prop.  

  

 I found this list if you haven't seen it yet...

  

 http://www.matronics.com/archive/archive-get.cgi?Lom-Archive.digest.vol-aa

  

 Scott

  

 



--- On Mon, 7/26/10, Mike Pienaar <mjpienaar(at)shaw.ca> wrote:



 [quote]

From: Mike Pienaar <mjpienaar(at)shaw.ca>

Subject: Re: Engine choice

To: kis-list(at)matronics.com

Date: Monday, July 26, 2010, 7:15 PM



  Hi Rich and others,

  

 Thanks for the input.

  

 Rich, this is the 4 cylinder version so I did not think that weight would be an issue

  

 Thanks for all the help

  

 Mike

 [quote] ---

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mjpienaar(at)shaw.ca
Guest

Posted: Tue Jul 27, 2010 8:34 am Post subject: Engine choice

Thanks

  

 I'll check it out

  

 Mike

 [quote]   ---

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