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kaarsber(at)terra.com.br
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 Posted: Thu Jun 07, 2007 3:29 am Post subject: What's up with the cost of 914? |
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Graham,
I guess I could have figured that out if I had engaged the brain before writing...what with two cranks and all- but is there a reduction or not, that is more an issue I think....more to the point, has anybody done any evaluation to use it in an Europa?
I know a new unproven engine is worse than being in sahara with no map, but new developments do happen and sometimes they come our way.
Alex, kit 529
De: owner-europa-list-server(at)matronics.com
Para: europa-list(at)matronics.com
Cópia:
Data: Thu, 07 Jun 2007 01:05:02 +0100
Assunto: Re: Europa-List: What's up with the cost of 914?
> --> Europa-List message posted by: Graham Singleton
>
> Alexander
> there is a gearbox. It has two crankshafts which need to be geared
> together. It's like the old Junkers Jumo (??) engine of WW2 but
> horizontal instead of vertical
> Graham
>
> Alexander Kaarsberg wrote:
> > I have recently heard of Diesel Air Limited (dair.co.uk) that is said to
> > weigh in at 93 kg- the site looks fine but has ''UKL on application''
> > under the heading price.
> >
> > Can anybody enlighten those in the dark about this beast?
> >
> > Two stroke flat four opposed-pistons, sounds as if could be simple
> > enough to work well- and noo gearbox...cruising at 2000 rpm, reminds me
> > of my old BSA one pot 500cc, (B33) a put per lightpole in fourth gear or so
> >
> >
> >
> > Alex, kit 529 in wraps waiting for a good engine, instruments, paint and
> > the million other minor things like closing wings and fitting the other
> > flap and aileron.
> >
> > *
> >
> >
> > *
>
> --
> Graham Singleton
>
> Tel: +441629820187
> Mob: +447739582005
>
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[quote][b]
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ami(at)mcfadyean.freeserv
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| Posted: Thu Jun 07, 2007 10:12 am Post subject: What's up with the cost of 914? |
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<<...has anybody done any evaluation to use it in an Europa?>>
Yes (albeit on the 100kg prototype).
It's too heavy, unless you are prepared to compromise other aspects of the overall EUropa performance profile. The quoted weight is bare engine less its installation (radiators, water, mount etc etc).
But what would be the benefit of the trade-off of other factors? Unless you just keen to run it on cheap and sustainable rape oil!
Duncan McF.
[quote] ---
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karelvranken(at)hotmail.c
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| Posted: Thu Jun 07, 2007 12:51 pm Post subject: What's up with the cost of 914? |
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Paul,
You forgot the passenger. You know the Europa doesn't like heavy people!
Karel Vranken. # 447 (only 37 hours).
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grahamsingleton(at)btinte
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| Posted: Thu Jun 07, 2007 1:19 pm Post subject: What's up with the cost of 914? |
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Alex
far as I know the prop runs at crankshaft speed although I guess it
could be geared. The engine has flown on an airship I believe. It first
flew on a Luscombe Silvair but the aircraft was damaged on its first
landing I think.
Graham
Alexander Kaarsberg wrote:
| Quote: | Graham,
I guess I could have figured that out if I had engaged the brain before
writing...what with two cranks and all-
|
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grahamsingleton(at)btinte
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| Posted: Thu Jun 07, 2007 3:25 pm Post subject: What's up with the cost of 914? |
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I envy you your super toys! (and your skills)
Graham
Paul McAllister wrote:
| Quote: |
Graham,
Essential the GRT EFIS has all of the functionality of a data logger. I am
planning on doing some data collection to nail the Vx and Vy speeds. If
this works the way I think it does I reckon I can collect enough data in one
flight to figure it out.
One cool thing you can do is to do collect data during a flight, run it
though a conversion program to strip out the GPS lat/lon data and feed it
into Google Earth. When you play it Google Earth generates an image as
viewed from the cockpit.... really cool stuff.
Paul
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grahamsingleton(at)btinte
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| Posted: Thu Jun 07, 2007 3:34 pm Post subject: What's up with the cost of 914? |
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Paul
That was Jon Tye's I think. He did exactly what you said. Incidentally
he was the launch customer, he built kit no 1,( a Classic of course.)
His instrument panel weighed around 17 lbs. Most come in around 40? He
did use a panel mounted handheld radio btw.
Next lightest was Trevor Jackson's (kit no 3) which now lives near
Vienna with Ernst Keppert and also had a handheld radio.
Both flew beautifully
There's another very light one but I don't know who it is.
Graham
Paul McAllister wrote:
| Quote: |
Andrew,
I wish I could give you a "one liner" but I can't,
The lightest Europa built was around 730 pounds I believe which was an
amazing achievement. I suspect that the builder just scrutinized absolutely
every thing.
Paul
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wdaniell(at)etb.net.co
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| Posted: Thu Jun 07, 2007 5:24 pm Post subject: What's up with the cost of 914? |
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Why not? Can you explain what your misgivings were and what happened in the
end?
--
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