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kheindl(at)msn.com
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 Posted: Mon Mar 20, 2006 12:44 pm Post subject: Propeller length |
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Is anyone out there using longer propeller blades than the standard 62" WD
on a trigear ?
What is a safe limit, assuming the safety wire on the nose wheel suspension
is adjusted if necessary, and assuming that the possibly soft bungee is
replaced with the steel springs ?
Cheers, Karl
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ami(at)mcfadyean.freeserv
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standa.svec(at)volny.cz
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| Posted: Mon Mar 20, 2006 3:39 pm Post subject: Propeller length |
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Hi Karl, Europa XS Mono, OK-EUR (builder Tom Justic, now another owner), has Woodcomp SR 2000, diameter 170 cm (67").
Stanislav
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topglock(at)cox.net
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| Posted: Mon Mar 20, 2006 4:03 pm Post subject: Propeller length |
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Mine are 63"
Jeff - N55XS
149 hours
KARL HEINDL wrote:
| Quote: |
Is anyone out there using longer propeller blades than the standard 62" WD
on a trigear ?
What is a safe limit, assuming the safety wire on the nose wheel suspension
is adjusted if necessary, and assuming that the possibly soft bungee is
replaced with the steel springs ?
Cheers, Karl
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kheindl(at)msn.com
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| Posted: Mon Mar 20, 2006 4:19 pm Post subject: Propeller length |
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Thank you Duncan, this list is very useful. I see that OSLD has an Arplast
of 66". And BVJN has a Hoffmann, but the diameter is not clear (maybe
1700mm). Then there is Bob H's MT of unspecified diameter. Going down the
list of other 9xx powered aircraft I see that Ikarus and Zenair have
primarily 68" props. I wonder if they have more ground clearance than the
Europa.
do not archive
[quote]From: "Duncan McFadyean" <ami(at)mcfadyean.freeserve.co.uk>
Reply-To: europa-list(at)matronics.com
To: <europa-list(at)matronics.com>
Subject: Re: Propeller length
Date: Mon, 20 Mar 2006 23:05:51 -0000
<ami(at)mcfadyean.freeserve.co.uk>
See:
http://www.pfa.org.uk/Engineering%20pdfs/Mods%20and%20Repairs/TL%203.12%20ENGINES%20AND%20PROPELLER%20FITTED%20TO%20PFA%20AIRCRAFT.pdf
page 14 et seq.
Numerous props at 64" dia.
65" seems to be the largest.
Duncan McF.
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rmrrick(at)aol.com
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| Posted: Tue Mar 21, 2006 4:23 pm Post subject: Propeller length |
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kheindl(at)msn.com wrote:
| Quote: |
Is anyone out there using longer propeller blades than the standard 62" WD
on a trigear ?
What is a safe limit, assuming the safety wire on the nose wheel suspension
is adjusted if necessary, and assuming that the possibly soft bungee is
replaced with the steel springs ?
Cheers, Karl
Hi
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My Tri has a 32.5" length from tip to hub centre. My blades are PV50
Arplast and I've had no problem at all since I replaced the standard
bungee with the multiple loop set up. The advantage I see with this
set-up is that if you find it too soft then just add another loop - a 15
minute job. I fly from very short bumpy field.
Rick Morris
912S CS PV50 Tri
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ptag.dev(at)tiscali.co.uk
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| Posted: Thu Mar 23, 2006 1:02 pm Post subject: Propeller length |
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Hi! Karl
My MT CS 3 blade Prop has a diameter of 157cm (61.81") and the pitch of
106mm.
However I believe a) the spinner diameter is impeding my ram air cooling
and b)I believe that the climb and cruise capability is restricted by
the propeller limit of 3,000RPM. TBO is coming up and I'm thinking of
trying a bog standard Sensenitch or GT.
Regards
Bob H G-PTAG Europa MKI/Jabiru 3300
Robt.C.Harrison
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