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ibagolfer2001(at)yahoo.co
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 Posted: Thu Dec 20, 2007 9:04 am Post subject: Jabiru 3300 Smoothness |
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I have flown behind a Rotax in the pre-production model of the Liberty XL. I found the engine to be very buzzy. For those of you who are flying the Jabiru 3300, how is the smoothness of operation for the flat six?
Thanks,
David Smith
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checkpoint2(at)comcast.ne
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| Posted: Thu Dec 20, 2007 10:49 am Post subject: Jabiru 3300 Smoothness |
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David! After you have flown in a Jabiru 3000 powered aircraft, You
will
Throw ROCKS at any Rotax machine. While you are about it check out the
parts replacements prices and don't forget the 23 hose clamps. Bob Haas.
--
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tonyplane(at)bellsouth.ne
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| Posted: Thu Dec 20, 2007 3:47 pm Post subject: Jabiru 3300 Smoothness |
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I wholeheartedly agree with Mr. Haas!!
Tony Graziano
331 enjoyable flight hrs behind a Jab 3300 mounted on a Zodiac 601XL
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RE: Jabiru 3300 Smoothness From: Bob Haas (checkpoint2(at)comcast.net ([email]checkpoint2(at)comcast.net?subject=RE:%20Jabiru%203300%20Smoothness&replyto=20071220184827.90F261B81CF(at)barracuda.matronics.com[/email])) Date: [b]Thu Dec 20 - 10:49 AM[/b]
[quote][b][quote] David! After you have flown in a Jabiru 3000 powered aircraft, You will Throw ROCKS at any Rotax machine. While you are about it check out the parts replacements prices and don't forget the 23 hose clamps. Bob Haas. --
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N1BZRich(at)aol.com
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| Posted: Thu Dec 20, 2007 6:58 pm Post subject: Jabiru 3300 Smoothness |
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Dave,
Several have answered you already, so let me echo what they said and also add a few thoughts. I have been flying my highly modified Esqual (with Jabiru 3300) for exactly two years now (finishing up the 2nd annual today) and I have exactly 405 hours on the engine and airframe. In that 405 hours I have had absolutely no problems with the engine and I run it hard. Only standard maintenance has been required and accomplished. I change oil and filter every 25 to 35 hours, replace the plugs at 100 hours (heck, they are around $2.00 each so why clean them), accomplish head torques and valve adjustments on schedule, and replaced caps and rotors at 250 hours (I think the book calls for that to be done at 200). Compressions this year varied between 70 and 73 for all 6 cylinders - in fact two were 70, two were 72, and two were 73. The Jabiru guys say that is right in the ball park for an engine with between 300 to 500 hours. To say I am pleased with the engine would be an understatement. All of my previous airplanes have been powered with Continentals and Lycomings, but I must say this engine is just as reliable and easy to work on as either of those. In fact the Jabiru 3300 kind of reminds me of a 6 cylinder Continental the way it is designed and goes together. If you do end up with a Jabiru, I highly recommend the engine seminar at Jabiru USA in Tennessee.
As a side note, and just for grins, I offer the following information and calculations: My Esqual easily cruises at 150 mph indicated at low to medium altitude burning less than 5 gallons per hour. At altitude (8 to 10 thousand feet) on a long cross country I can expect to see 170 MPH TAS burning about 5.8 gallons per hour. Therefore, 405 hours at a conservative average speed of 150 mph equals 60,750 miles, or damn near 2.44 times around the world at the equator. Aren't you impressed? However, since it took me 2 years to do that 60,750 miles, my average speed for 2.4 times around the world in two years works out to a speedy 3.467 mph. Santa is way faster. 
Blue Skies and a Merry Christmas to all,
Buz Rich
See AOL's top rated recipes and easy ways to stay in shape for winter.
[quote][b]
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pequeajim
Joined: 03 Sep 2006
Posts: 708
Location: New Holland, PA
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| Posted: Mon Jan 21, 2008 5:21 pm Post subject: Re: Jabiru 3300 Smoothness |
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I might add that Buz is a former military jet fighter pilot and I know he doesn't fly his aircraft like a Taylorcraft. If there was going to be a problem with an engine he was using, it would show up for sure...
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