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JabiruEngine-List Digest: 4 Msgs - 02/25/07

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TELEDYNMCS(at)aol.com
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Posted: Mon Feb 26, 2007 4:43 am Post subject: JabiruEngine-List Digest: 4 Msgs - 02/25/07

In a message dated 2/26/2007 2:58:19 AM Eastern Standard Time,  jabiruengine-list(at)matronics.com writes:

  	  Quote: 	
		  I    would be shocked if your Jabiru didn't outperform a Rotax 912S on 

nearly    any airplane.  For one thing it has 20 or 30 percent more horse    power. 	


 

  

  

 Hi Paul,

 

Yes, it would seem that way, wouldn't it? What is really shocking  is the folks over on the Yahoo Jabiru forum who claim exactly the opposite.  Rotax is the only way, dontchaknow? One fellow in particular claims that  anyone building a Europa with a Jabiru will be sorely disappointed when his  Rotax 912S powered Europa friends "go right by", meaning that he claims the  912S Europa is faster. False. This fellow also claims that the few extra  lbs the Jab has over the Rotax 912S causes the handling to suffer. False  again. There are many Europa's flying with engines heavier than the Jab,  i.e., Subaru, Continental 0-200, etc, with no ill  effects. I've taken this one through many positive aerobatic maneuvers and  it is a delight to fly at all areas of the envelope. Not only is the Jab  powered Europa faster, it climbs better, and we've measured it to be  quieter, too. Fuel consumption is slightly higher than the 912S, but  otherwise, having flown both, the Jab/Europa is a superior combo in my opinion.  It is certainly several orders of magnitude smoother than the Rotax, too. (and  the Jab is considerably cheaper) I really like the lines the longer cowl gives  the Europa as well. Gone is the goofy "doghouse" on the bottom cowl that  contains the Rotax radiator and the stubby look it gives the stock Europa. Mine  looks more like a cross between a Europa and a Lancair. It draws a crowd  everywhere I go.

  

  I've offered to race any of their 912S powered Europa  trigears and or demo the outstanding performance of this combination to  them, but so far no takers. It seems that although a few claim  to know everything about Jabiru powered Europa's, only one has any  direct experience and that one was a completely different firewall forward  and prop than mine. The others are merely parroting this one owner's  experience. Typical and sad at the same time.

  

 I look forward to the release of the Airmaster hub for this prop. My Europa  XS is absolutely screaming for constant speed!

  

 Regards,

  

 John Lawton

 Dunlap, TN (TN89)

N245E



AOL now offers free email to everyone.  Find out more about what'227241x4298082137/aol?redir=http://www.aol.com" href="http://pr.atwola.com/promoclk/1615326657x4311227241x4298082137/aol?redir=http%3A%2F%2Fwww%2Eaol%2Ecom" target="_blank">AOL.com.  [quote][b]

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ultralight.flyer(at)gmail
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Posted: Mon Feb 26, 2007 1:53 pm Post subject: JabiruEngine-List Digest: 4 Msgs - 02/25/07

In the lower speed, in the higher speed, in gas and oil consuption, in weight, in less noise, parts prices, TBO hours, and global price... Jabiru is better than ROTAX... and Jabi is a kid that can fly full power constantly 'til stop few hours later; ROTAX is a grand-father who born to cut grass. Have you noticed the noise she makes at starts and shuting down 'cause of the reduction gears? It looks like my mother in law. It's a reliable engine with some caution. Everybody get used to it. Jab is another engine concept, made for fly. Some things i would like to see changed in Jabi, like cylinders AL alloy. 

 

-- 

Miguel Maia de Loureiro

Ultralight Pilot Suport Services

Cel.: +351 91 419 21 04

e-Mail: ultralight.flyer(at)gmail.com (ultralight.flyer(at)gmail.com) 

  [quote][b]

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Gilles.Thesee(at)ac-greno
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Posted: Mon Feb 26, 2007 2:15 pm Post subject: JabiruEngine-List Digest: 4 Msgs - 02/25/07

Miguel Maia de Loureiro a écrit :

 	  Quote: 	
		    

 In the lower speed, in the higher speed, in gas and oil consuption, in 

 weight, in less noise, parts prices, TBO hours, and global price... 

 Jabiru is better than ROTAX... and Jabi is a kid that can fly full 

 power constantly 'til stop few hours later; ROTAX is a grand-father 

 who born to cut grass. Have you noticed the noise she makes at starts 

 and shuting down 'cause of the reduction gears? It looks like my 

 mother in law. It's a reliable engine with some caution. Everybody get 

 used to it. Jab is another engine concept, made for fly. Some things i 

 would like to see changed in Jabi, like cylinders AL alloy.

 *

 *

Miguel,
	




This is just to say there is no perfect engine.

Only engines that suit some definite set of requirements, with some 

degree of proven reliability.

Reliability has something to do with the number of million flight hours 

achieved.



There is no reason or no need to criticize the Rotax 91X engines to 

establish the qualities of the Jabiru line of engines. Better stick with 

facts.

If you need price, lightness, simplicity, fixed pitch, then the Jabiru 

will be your choice.

As for power, the rated continuous power of the 3300 is 107 hp, so no 

continuous full power, as with any aero engine.

Concerning the TBO, it takes many many engines reaching TBO before you 

can be certain of the advertised numbers. And as you just told, the 

Jabiru is still a young kid and building flight experience 



By the way, what is wrong with the Rotax reduction gear ?

Regards,

Gilles

http://contrails.free.fr

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