Today's Message Index:
----------------------
1. 04:47 AM - Re: Seat cushion question (h&jeuropa)
2. 07:02 AM - Re: Seat cushion question (n7188u)
3. 07:11 AM - Re: Question about cruise altitudes with a 912ULS (n7188u)
4. 11:15 AM - Re : Question about cruise altitudes with a 912ULS (John Wigney)
5. 11:35 AM - Re: Seat cushion question (h&jeuropa)
6. 03:55 PM - Re: Seat cushion question (fklein@orcasonline.com)
Message 1
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| Subject: | Re: Seat cushion question |
Chris,
We purchased seat cushions from Oregon Aero, figuring they knew more about seats
(safety and comfort), and we're really glad we did. We regularly fly 1 1/2 hour
flights. They are so comfortable and we have done two 4 hour legs in a day
many times with no discomfort.
The only down sides are they are heavy and somewhat expensive and really hard for
the first few minutes when cold (Michigan cold)!
Jim & Heather
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=506046#506046
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| Subject: | Re: Seat cushion question |
Thanks Jim,
I have Oregon Aero seats on the LongEZ and I agree they are very good.
To help me understand if the investment is worth it: Are the cushions drop in on
the Europa? What I mean is do they take care of the challenging angles of our
back rest? Or did you have to come up with some structure on the backrest and
the Oregon cushions are just a few inches thick. That's the way it is in my
LongEZ, the Oregon cushions are just a few inches thick and you have to add any
filling you need underneath and on the back.
Not a problem but it doesn't help figuring out the proper geometries to make our
seats comfy enough.
Best Regards and Thanks,
Chris
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http://forums.matronics.com/viewtopic.php?p=506049#506049
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| Subject: | Re: Question about cruise altitudes with a 912ULS |
Good video Ron. Thanks.
Chris
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http://forums.matronics.com/viewtopic.php?p=506050#506050
Message 4
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| Subject: | Re : Question about cruise altitudes with a 912ULS |
Hi Chris,
I have been interested to see the comments regarding running rich at
altitude. I have 1100 hours on my XS mono, N262WF, with the 912ULS
engine. The engine is unmodified and I have had zero issues with running
rich during that time. Also the engine has never missed one beat.
A few comments :-
* My flying is typically a mix of recreational trips and visits to
local flyins plus flights to Sun N Fun (8 times) and Oshkosh (10
times). Local flying is usually done at part throttle and averages
about 4 gallons an hour door to door. My longer airshow trips are
normally done by climbing to get to smooth air, usually above 5,000
to 6,000 ft., I then set full throttle at 5500 rpm with my Whirlwind
C/S prop. In the summer, I often have to fly higher to stay above
the tops of towering cumulus and occasionally I get to 11,500 ft.
* During my early test flying, I did a check on my Service Ceiling. I
loaded the plane up to gross with a full tank and borrowed some
oxygen gear. At 16,000 ft., the plane was still going up at 200
ft/min so I was happy with that.
* The bottom line is that I have had absolutely no problems with rich
running. The engine has never missed a beat and the CHT's and EGT;'s
have always been in spec. The condition of the plugs at routine
replacement has always been good. At the last condition inspection,
my cylinder leakdown numbers were 80/80 on 3 cylinders and 78/80 on
the fourth.
* I did consider installing a Hacman package a long time ago when I
saw some discussion on the subject. After consideration I chose not
to do this due to the high amount of administrative work and knob
twiddling required for this to run satisfactorily. It also will kill
the engine if leaned out too far and that was unacceptable for me..
* With my C/S prop, all my flying is done at rpm's between 5,000 and
5,500.
* I note that my Rotax Operators Manual specifies - /The engine
allows operation with fully open throttle over the whole r.p.m.
range without limitation. But full throttle performance above 5,500
r.p.m. is limited to 5 minutes./ I comply with that. I also see
nothing in the manual which suggests that rich running is a concern.
Cheers, John
Mooresville, North Carolina
------------------------------------------------------------------------
S/ubject: Europa-List: Question about cruise altitudes with a 912ULS
From: "n7188u" <chmgarb@gmail.com> Dear Forum Members, Quick question
for those familiar with operating the Europa with the 912ULS engine:
What would you consider would be the highest altitude for normal
cruising with this engine. Read "normal" were the engine is not running
overly rich and causing other issues such as fouled plugs? Yesterday I
did a fairly long cross-country around Florida (about 3.5 hours total)
and on the return flight I was getting beat up by turbulence at 5,500
feet (can the Europa be rough on turbulence or what??). I understand the
912 is still happy at 5,500 but what about higher altitudes. I put up
with the turbulence. Rather silly since I could have just tried to go up
to 7,500 feet) but not knowing if the engine starts running too rich to
be happy I just put up with it. Best Regards, Chris/
Message 5
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| Subject: | Re: Seat cushion question |
Chris,
Yes, they are drop in, no structure required. We recall someone took a cockpit
module to them and they made patterns from that. They even have the cut out for
the pip pins that go into the spars.
I notice that Europa isn't listed on their website. We purchased ours back in
Jan Feb 2005. From the invoice it looks like the part numbers are
3014711-700 left cushion
3014712-700 right cushion
If they look at our old order there may be some confusion since we also purchased
a third set which sits on top and in front of the other cushions. Heather
uses that to get taller and more forward and it works in either seat. It is useful
for YE rides, and is easily removed for "normal" size folks. You probably
won't need that.
We'll get some photos the next time at the airport.
Jim & Heather
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=506056#506056
Message 6
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| Subject: | Re: Seat cushion question |
> On Feb 14, 2022, at 8:32 AM, n7188u <chmgarb@gmail.com> wrote:
>
>
> Despite the effort the result is not quite optimal. After half and
hour in my new seats, my tailbone starts to kill me.
>
> My suspicion is that I need more thigh support (because the high feet
position and short distance to the pedals forces the thigs up and away
from the seat) although the theory is that thigh pressure should be
minimal as it causes discomfort and it is best to concentrate most of
the weight on the tip bones at the buttocks (ischial tuberosities for
those inclined to use fancy names :) ).
>
> I will experiment with a little more thigh support but wondered what
experiences people out there had with the Europa cushion design.
ChrisHere are (first) a couple of photos of my back rest
note that I used a couple scraps of blue & green foam to form a lumbar
support which I=99ve found to be very effective.
I am 6=99-1.
For the seat cushion, I too felt that I was not getting sufficient thigh
support; note that although I extended the blue and green foam forward
of the vertical face of the cockpit module, initially I had not extended
the plywood seat frame enough and had to go back and add to the frame so
it aligned with the foam.
BTW, Beneath my foam seat assembly, I have two thicknesses of 1=9D
rigid insulation.
It works well for meam just now in the process of having ultra
leather covers sewn up for a little =9Cpleat and roll=9D job
which wraps around and is stapled into the plywood frameframe
is 1/8=9D mahogany plywood with edges doubled up for staples
.
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