Today's Message Index:
----------------------
1. 10:01 AM - Re: Warp Drive Tapered Tips (jonathanmilbank)
2. 03:51 PM - Re: Re: Warp Drive Tapered Tips (Bud Yerly)
3. 04:03 PM - Re: mid-door latch - YERLY (Bud Yerly)
4. 11:30 PM - Re: Weight and Balance Scales (Maathai Wangari)
5. 11:42 PM - Bench Scale (Maathai Wangari)
Message 1
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| Subject: | Re: Warp Drive Tapered Tips |
Hello EG, It surprises me to learn that you have the wide-tipped prop blades. I
am also the proud owner of a Classic with 912UL 80hp and fitted with tapered
Warp Drive blades.
My aircraft first flew in July 1997 with a ground-adjustable prop hub, until 2001
when I fitted the brilliant Airmaster electric VP hub with the same tapered
blades. The take-off and climb performance was greatly improved, which allowed
me to upgrade to 1370 lbs mauw.
My understanding from Europa in those days was that performance would be worse
with wide-tipped blades, unless I upgraded to the 100hp engine.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=396102#396102
Message 2
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| Subject: | Re: Warp Drive Tapered Tips |
Putting on my Airmaster Dealer Hat:
The 912 80 HP is best suited with the narrow chord 64 inch WD in either
the ground adjustable or the Airmaster AP332.
The Wide chord is necessary for the 912S and 914.
That said, if longer blades are used, the narrow chord blades are not
really well suited to planes like the Kitfox with 912S, Fascination, or
others which can take 67" and even longer blades. Fascinations with
narrow chord blades are disappointed as the top end is not very good and
the Kitfox suffers the same, but the wide chord blades seem fine,
however the inertia of the prop is higher than is proper for the
Rotax...
The AP332 is capable of taking the Bolly, but that hasn't been much
better than the WD, at the shorter lengths just lighter. However, the
longer prop lengths benefit by the decreased inertia on start and is
fairly quiet for those long blade length aircraft...
The case for high speed in the Europa and the WD is interesting.
Normally about 140-145 Knots is about the top for the 64 inch blades.
If you cruise routinely at higher altitudes such as 15,000, the WD
blades do not have sufficient twist for speeds much above that even with
the 914.
Airmaster developed the AP420 two blade and AP430 three blade to accept
other blades of wider bases and chords. I prefer the Whirlwind blades
in the 430 but you can have many other blades such as the Sensenich (not
really good at high speed but great at low speeds and long blade length)
Bolly (Austrailian), Kiev (Russian), Whirlwind (US) and a few others.
At Sun n Fun I will approach Warp Drive to try to get them to allow me
to mold a new higher twisted blade with a slightly different chord width
at the base for the Europa fliers. They rejected me two years ago, but
we will try again...
Regards,
Bud Yerly
----- Original Message -----
From: jonathanmilbank<mailto:jdmilbank@yahoo.co.uk>
To: europa-list@matronics.com<mailto:europa-list@matronics.com>
Sent: Tuesday, March 12, 2013 1:00 PM
Subject: Europa-List: Re: Warp Drive Tapered Tips
<jdmilbank@yahoo.co.uk<mailto:jdmilbank@yahoo.co.uk>>
Hello EG, It surprises me to learn that you have the wide-tipped prop
blades. I am also the proud owner of a Classic with 912UL 80hp and
fitted with tapered Warp Drive blades.
My aircraft first flew in July 1997 with a ground-adjustable prop hub,
until 2001 when I fitted the brilliant Airmaster electric VP hub with
the same tapered blades. The take-off and climb performance was greatly
improved, which allowed me to upgrade to 1370 lbs mauw.
My understanding from Europa in those days was that performance would
be worse with wide-tipped blades, unless I upgraded to the 100hp engine.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=396102#396102<http://forums
.matronics.com/viewtopic.php?p=396102#396102>
http://www.matronics.com/Navigator?Europa-List<http://www.matronics.com/N
avigator?Europa-List>
http://www.matronics.com/contribution<http://www.matronics.com/contributi
on>
Message 3
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| Subject: | Re: mid-door latch - YERLY |
If it says automatic (definition: will fail at the most inappropriate
time when you need it)
If it says decreases pilot workload (definition: sucks your head into
the cockpit and forces you to memorize stupid button drills)
If it says add situational awareness (definition: adds clutter to your
life and overwhelms your senses)
If it says increases efficiency/range (cause: you may overstress your
bladder.)
If it says fail safe (action: buy life insurance)
If it says ANR (Almost Never Remember hearing it fail... which means you
don't hear the problem before the engine quit)
Sorry for being so sarcastic.
But "Been There" "Done That" "Got the T-shirt"
Bud
----- Original Message -----
From: f.kyle@sympatico.ca<mailto:f.kyle@sympatico.ca>
To: 5EUROPALIST <mailto:europa-list@matronics.com>
Sent: Monday, March 11, 2013 10:26 AM
Subject: Europa-List: mid-door latch - YERLY
May I just second every word Bud Yerly made in his recent
email message of the same Subject. It is obvious that here again is
another 'old hand' with bags of time and a wise attitude. His advice is
typical of people who have (at one time or another) placed their faith
in a mechanical device and "been lied to". The loss of a door in the
Europa is not worth hanging your hat on a possibly-worn or mis-adjusted
or vibration-ravaged tiny piece of tin when your own two eyes and hands
are less easily fooled.
That's a 'saver', Bud.....
Ferg
C-FFGG
http://www.matronics.com/Navigator?Europa-List<http://www.matronics.com/N
avigator?Europa-List>
http://www.matronics.com/contribution<http://www.matronics.com/contributi
on>
Message 4
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| Subject: | Re: Weight and Balance Scales |
Much scales are available in USA which you can buy or get on rent. If your wallet
allows to buy quality digital scale then Ebay is best to access all ranges
of scales. In balance calculations there are Table Top Balances and Pocket Scales
that can buy anyone anytime from Ebay.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=396141#396141
Message 5
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I personally feel that, Stainless Steel Structure bench scales shows more accurate
results as compared with others. These scales can be use for multi purposes
such as: medical scale, shipping scale and to check weights etc. Is it true?
What brand is best regarding bench scales?
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=396142#396142
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