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[rebel-builders] Re Jabiru and high speed prop

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Bob Patterson

[rebel-builders] Re Jabiru and high speed prop

Post by Bob Patterson » Sun Feb 19, 2012 11:30 am

Thanks John !

Had a nice tour around the Aussie Web Ring from that page !

The correct link is: www.boydair.com

It was interesting to see the mods on the Jabiru engines -
they all seem to have gone to the Rotax 4-into-1 tank mufflers,
likely to gain some power. The additional cooling mods were
interesting - maybe some airflow issues, and the oil cooler ...
All show it as a work in progress - as are many of the new engines.

That prop certainly looks substantial - wonder about the cost ?
Wish more manufacturers would provide easy, accurate ways to
adjust blade pitch, like the new Sensenich, with just one adjusting
bolt in the center. It used to take a full day to get a Warp Drive
or GSC prop set right (and even !) ... :-(

Two-blade props are always more efficient than 3 blades, but
I guess the Jabiru aircraft has a limit on diameter - in addition
to the limit imposed by the high rpm necessary to develop power.

--
......bobp
http://www.prosumers.ca
http://bpatterson.qhealthbeauty.com
http://apatterson2.qhealthzone.com

-------------------------------orig.-------------------------
On Tuesday 12 December 2006 01:08, gleeso wrote:
G'Day All, came across a three blade prop specifically for the 3300 Jab
at a local fly in recently. It is made for the Jabiru, which is a lot
more slippery than a Rebel but it may work on a Rebel. Check out
www.boydair.com.au They are not far away from me so I'll give them a
call tomorrow and see what I can find out.

I too am building to suit our RA Aus 600 KG MTOW, and the engine is
still a ways off yet.

Regards
John Gleeson
Rebel 804 down under


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