"Paul Saccani" wrote in message
...
On Sun, 26 Jun 2011 13:02:04 +1000, "Atheist Chaplain"
wrote:


"Paul Saccani" wrote in message
. ..
On Thu, 23 Jun 2011 20:54:35 +1000, "Atheist Chaplain"
wrote:


Probably fixed tricycle to start with.
There was a page on the net by Mark Langford detailing his modified KR2
build and he had some wonderful methods for laying down bubble free
glass
skins as well as the use of Carbon fibre for leading edges etc. sadly
upon
checking my bookmarks I find it has disappeared

Google is my friend :-)
http://www.n56ml.com/

I have to say, I haven't had the best success with those kinds of
materials, myself. Just a matter of lack of familiarity, I suppose,
but I am far more comfortable with metal.

VollyWobble or what?


not a fan of auto conversions, Jabiru make a couple of reasonably priced
4
and 6 cylinder engines designed for the job.

IIRC, the KR2 was designed around the 1600cc volleywobble. The
installation of the Jabiru engine is extremely finicky if you can't
get a FWF kit for your aircraft. The oil sumps on them are also
incredibly small, with a maximum oil consumption rate that can result
in oil exhaustion within hours. A lot of people have had a great deal
of trouble in setting them up so they won't over heat.


Mark Langford uses a corvair in his KR, albeit with a few (known) issues
popping up.
As to Jabs eating oil I have not come across this problem just yet in the
J160 I (semi)regularly fly, and a friend who owns a J230 doesn't seem to
find it a problem and he regularly flies it long distances for his work.

Have a read of the J120 flight manual, where it spells out oil
capacity. I think you will be surprised

It is a mystery to me why the capacity is so small.

I've not had any problems with them in the J120 etc... - but the
engine is designed for the aircraft. But if you read the flight
manual, capacity is 2.2 l and with *maximum* observed consumption of
600 ml/hour, I feel disquieted. Naturally, the usual consumption is
way less than that.

For flights of 3 hours or greater, you have to use a separate, higher
mark on the dipstick before commencing flight. As maximum endurance
for the J160 is 13 hours, that's not entirely reassuring.


Bugger, Oh well I usually only fly for an hour or two at a time so I never
noticed, I will ask my mate with the 230, as his is new I assume he just
thinks this is normal.

I
suppose a modified larger sump could be manufactured if it became a
problem
:-)

I'm pretty sure that would not be a trivial exercise on that engine,
IIRC.

You can actually get certified VW engines, BTW.

Have you got a set of plans yet?

not just yet, thought after a bit of a surf the other night, I am becoming
more enamoured of the Brumby kits, metal and rivets :-)

Jeez! That looks like around 60 grand! I doubt that they will sell
you plans, just a kit and assembly instructions. Not that there is
anything wrong with that. Wider than a 172, sounds nice.
--

Locally made as in Cowra, that's only 50 minutes drive from here
:-)

Cheers,
Paul Saccani
Perth, Western Australia.


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