Today's Message Index:
----------------------
1. 03:29 AM - Re: Woodcomp propeller controls (William Mills)
2. 06:31 AM - Re: Don't shoot the messenger! Mono Nylon stabiliser legs.... (UVTReith@aol.com)
3. 07:08 AM - Trailer caution (Fergus Kyle)
4. 08:19 AM - Re: Trailer caution (Jos Okhuijsen)
5. 11:20 AM - Re: Don't shoot the messenger! Mono Nylon stabiliser legs.... (Graham Singleton)
6. 12:51 PM - Re: Trailer caution (R.C.Harrison)
7. 03:04 PM - Re: Trailer caution (Laptop JR)
8. 05:17 PM - 914 Turbine clearance ()
Message 1
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| Subject: | Re: Woodcomp propeller controls |
Ferg,
I have the reverse switch near the throttle on the tunnel top and I have a
bright LED at the top of the panel to warn when the reverse "master switch"
is selected, which arms the guarded reverse switch.
Regards,
William
----- Original Message -----
From: "Fergus Kyle" <VE3LVO@rac.ca>
Sent: Sunday, May 20, 2007 3:11 PM
Subject: Europa-List: Woodcomp propeller controls
>
> William/Jos:
> I have discovered (not for the first time - but again...) that being
> familiar with operating these types of device is far from installing them!
> I appreciate the chat regarding their relative positions - something which
> will get more thought after your messages.
> Where would you put the 'reverse/unreverse'? - near the throttle or up the
> instrument board? - I was hoping to provide the light indicating full
> reverse at the top of the panel near the line of sight ahead so as to
> react
> more quickly to reverse being ready. I thought to join 'reverse ready',
> 'oil
> pressure drop', 'angle-of-attack' led and 'over/under-volt' and 'fuel
> pressure drop'lamps up high for more conspicuous notice and reaction.
> Thoughts?
> Cheers, Ferg
>
>
>
Message 2
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| Subject: | Re: Don't shoot the messenger! Mono Nylon stabiliser legs.... |
Outrigger legs / Motor Gliders
All outrigger legs on the Scheibe Motorfalke like SF 25C or on the Sperber
type MG's like RF5 or RF4 the outrigger legs are shorter, so that the wings
are
dipping from one side to the others.
I think it is good so that the wings are dipping, because when they are
getting controllable, you will know that your baby is ready for take off.
Always safe and happy flyings.
Bruno Reith / UVT Reith
Message 3
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Cheers,
Yesterday, a buddy and I went to the airport and recovered the
Europa wings on the trailer, from the hangar. The intent was to match same
to fuselage for purposes of rationalising feed-through sites for wiring and
odd items. By the way, these and the other surfaces were beautifully
finished by a local firm to a tough mirror finish.
All was normal on the 30-minute trek back home, and we unloaded same
onto brackets built to set them vertically (nose-down) prior to installing
them. When we began the sequence, I noticed a discolouration on the port
leading edge and discovered a smashed leading edge about two inches in
diameter, right on the leading edge - right down into the blue foam.
This corresponded to the position of the wing in the rubber strap
(lined with bubble-wrap). I noted that the pip-pin for the strap structure
hinge release sits dead-centre under the strap. Sure enough the strap was
pure (?) rubber and I could stretch it downward with just my fist. There is
no question that, given the odd bump neatly handled by the trailer, evolved
into a surge of the wing down until the pip-pin punctured the wing.
This is going to lead to at least a week's delay, in rebuilding the
wing and then driving it about 70 miles on country roads to the now-retired
re-finisher. He took the tools/fixtures with him to his home airport.
So this is a belated warning:
(a) reposition the clamp-folding pip-pin to another suitable site away from
the wing leading edge, and
(b) replace the rubbery slings with some (preferably white) rubber with
cloth reinforcement to resist excess stretching. I'm still going to line
same with bubble wrap as I have saved acres of it and it works.
I will be canvassing McMaster-Carr and similar sources for same. If
you are light years ahead of me and already possess same, please advise.
All advice gratefully accepted.......
Ferg Kyle
Classic mono 914 (ten years on 24 May)
Message 4
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| Subject: | Re: Trailer caution |
Hi Ferg,
Sorry about your mishap. I might add my adventure here:
The trailer i have has woven strings, from a material as used by lorries
as strap-down.
On my way to the painter i noticed in the mirror that a wing was moving
around more then i would expect, so i stopped a few miles down the road.
Then became clear that both wings had moved backward, and that there was
only 2 inches of spar left in the clamps. It would not have taken very
long anymore before a wing went flying! The wind force on the fairing,
together with bouncing in the straps had been more then the friction of
the otherwise tight clamps. Securing both spars with a rope around the
aileron mechanism is really needed!
Regards,
Jos Okhuijsen
--
workshopcam http://www.okhuijsen.org/plane
http://www.europaowners.org/kit600
Message 5
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| Subject: | Re: Don't shoot the messenger! Mono Nylon stabiliser legs.... |
Bruno
You are right about motor gliders and I used to think the short wing mon
was the same but qyucker. IMHO its too quick to react with aileron so
its better to have the outriggers firmly on the ground with the etunted
wing Europa. Tinsfos as all glider pilots know.
Graham
UVTReith@aol.com wrote:
> Outrigger legs / Motor Gliders
>
> All outrigger legs on the Scheibe Motorfalke like SF 25C or on the
> Sperber type MG's like RF5 or RF4 the outrigger legs are shorter, so
> that the wings are dipping from one side to the others.
> I think it is good so that the wings are dipping, because when they are
> getting controllable, you will know that your baby is ready for take off.
>
> Always safe and happy flyings.
> Bruno Reith / UVT Reith
>
> *
>
>
> *
--
Graham Singleton
Tel: +441629820187
Mob: +447739582005
Message 6
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Hi! Ferg
Sorry to hear of your misfortune, you must be "gutted". Just for the
record my wing carriers are made of spent conveyor belting lined with
carpet attached by heavy duty upholstery glue. I don't tie the wings
down but the carriers are about 12"/15" wide thereby spreading the load.
However since my trailor weighs in, loaded, at about 3 tonnes and has a
double axle linked weight transfer suspension nowt bounces! I do think
though that to spread the load is very relevant since it reduces the psi
point loading on the wing.
They are also fixed laterally by the pip pins through the spar holes.
Regards
Bob Harrison G-PTAG
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Fergus Kyle
Sent: 21 May 2007 15:07
Subject: Europa-List: Trailer caution
Cheers,
Yesterday, a buddy and I went to the airport and recovered the
Europa wings on the trailer, from the hangar. The intent was to match
same
to fuselage for purposes of rationalising feed-through sites for wiring
and
odd items. By the way, these and the other surfaces were beautifully
finished by a local firm to a tough mirror finish.
All was normal on the 30-minute trek back home, and we unloaded
same
onto brackets built to set them vertically (nose-down) prior to
installing
them. When we began the sequence, I noticed a discolouration on the port
leading edge and discovered a smashed leading edge about two inches in
diameter, right on the leading edge - right down into the blue foam.
This corresponded to the position of the wing in the rubber
strap
(lined with bubble-wrap). I noted that the pip-pin for the strap
structure
hinge release sits dead-centre under the strap. Sure enough the strap
was
pure (?) rubber and I could stretch it downward with just my fist. There
is
no question that, given the odd bump neatly handled by the trailer,
evolved
into a surge of the wing down until the pip-pin punctured the wing.
This is going to lead to at least a week's delay, in rebuilding
the
wing and then driving it about 70 miles on country roads to the
now-retired
re-finisher. He took the tools/fixtures with him to his home airport.
So this is a belated warning:
(a) reposition the clamp-folding pip-pin to another suitable site away
from
the wing leading edge, and
(b) replace the rubbery slings with some (preferably white) rubber with
cloth reinforcement to resist excess stretching. I'm still going to line
same with bubble wrap as I have saved acres of it and it works.
I will be canvassing McMaster-Carr and similar sources for same.
If
you are light years ahead of me and already possess same, please advise.
All advice gratefully accepted.......
Ferg Kyle
Classic mono 914 (ten years on 24 May)
Message 7
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| Subject: | Re: Trailer caution |
Ferg,
I am sure the Europa community feels for you in your misery over the crunced
in leading edge.
None would like the same misfortune
Best Wishes for a good recovery which I hope will be easier than you now
think.
JR (Bob) Gowing UK kit 327 in Oz
do not archive
>
Message 8
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| Subject: | 914 Turbine clearance |
Temporarily hung 914 for the first time this past weekend.
Turned crank a few times to keep things lubed.
I took the cap off the cold air side of the turbo to feel a new turbo. In
and out motion on the turbine was only a few thousands, but up and down
motion was ~.016" at the turbine
Pushing hard I can get the turbine to hit the housing.
If 914 owners don't mind, please measure their up and down motion and if
you can get the turbine to hit the housing and post results.
Another request is for axial and radial limits for the Rotax 914 Turbo if
someone knows.
In all fairness up and down motion should be measured on the shaft between
the hot and cold bearing, pushing just on the cold side, I suspect the
cantilevered leverage is pushing the hot side of the shaft in the opposite
direction. That said if all others have half what I do and can't get
turbine to hit housing, I think I may have a problem and further
investigation required.
My 1983 Volvo Turbo had a Garrett turbo, oil cooled only, the turbine
looked very similar and after many miles had less play than my new 914.
Could not get turbine to hit housing. I have a 1992 745 Volvo turbo with
255K miles and a Mitsubishi water cooled turbo and play is way less than
1/2 of the 914. Can't get the turbine to hit the housing.
Thx.
Ron Parigoris
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