Today's Message Index:
----------------------
1. 07:42 AM - Hand Propping (Barry Hancock)
2. 08:08 AM - Re: Hand Propping (Markus Feyerabend)
3. 08:36 AM - Re: Hand Propping (pilko2)
4. 10:22 AM - Re: Hand Propping (Markus Feyerabend)
5. 04:55 PM - Re: Scott Taliwheel for Yak 55M (Yak 55M)
Message 1
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Guys,
First, a disclaimer. Hand propping is inherently dangerous and ANY
attempt to start the engine in this manner could kill you. The following
is not an endorsement or recommendation of any procedure. It is merely an
observation after seeing many techniques tried.
Walt is right...and I've seen it happen. No air but a perfect alignment
for ignition and the engine springs to life when the start button is
pushed. With just the wrong timing your hands (or worse) can be good
material for the latest Ginsu commercial.
Another technique that seems to lower the risk (again, do not attempt this
at home) is to get the plane set up and stand clear of the prop while the
start button is pushed. Once the "Bzzzzzzzzz" of the exciter is heard and
the prop still dead, then walk up to it and give it a whirl.
I've done the other way (the Russian Roulette technique) and just been
plain lucky to not get hurt. Seeing the thing fire without air convinced
me to never do it the old way again...and count my blessings that I didn't
get a call from Ginsu.
--
Barry Hancock
Worldwide Warbirds, Inc.
office (909) 606-4444
cell (949) 300-5510
www.worldwidewarbirds.com
Message 2
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| Subject: | Re: Hand Propping |
Heres a clip of Jurgys Sukhoi getting hand/rope propped...
http://www.youtube.com/watch?v=Azi0VP8IFg0
Id think that when wearing proper gloves and paying attention not to loop the rope
around your hand etc. it looks safer to me than by hand propping directly
at the prop...
Ive got no experience hand propping a radial engine though and Im already intimidated
enough to pay extreme caution hand propping a Lycoming or similar engines....
just my 2 (Euro)cents,
Markus
> -----Ursprngliche Nachricht-----
> Von: "Barry Hancock" <bhancock@worldwidewarbirds.com>
> Gesendet: 23.03.09 15:53:28
> An: yak-list@matronics.com
> Betreff: Yak-List: Hand Propping
>
> Guys,
>
> First, a disclaimer. Hand propping is inherently dangerous and ANY
> attempt to start the engine in this manner could kill you. The following
> is not an endorsement or recommendation of any procedure. It is merely an
> observation after seeing many techniques tried.
>
> Walt is right...and I've seen it happen. No air but a perfect alignment
> for ignition and the engine springs to life when the start button is
> pushed. With just the wrong timing your hands (or worse) can be good
> material for the latest Ginsu commercial.
>
> Another technique that seems to lower the risk (again, do not attempt this
> at home) is to get the plane set up and stand clear of the prop while the
> start button is pushed. Once the "Bzzzzzzzzz" of the exciter is heard and
> the prop still dead, then walk up to it and give it a whirl.
>
> I've done the other way (the Russian Roulette technique) and just been
> plain lucky to not get hurt. Seeing the thing fire without air convinced
> me to never do it the old way again...and count my blessings that I didn't
> get a call from Ginsu.
>
>
> --
> Barry Hancock
> Worldwide Warbirds, Inc.
> office (909) 606-4444
> cell (949) 300-5510
> www.worldwidewarbirds.com
>
>
>
>
>
Message 3
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Jurgis normally runs a 4 blade prop not a three as illustrated here.
No matter the CAUTION note to hand propping still applies !
-----Original Message-----
From: owner-yak-list-server@matronics.com
[mailto:owner-yak-list-server@matronics.com] On Behalf Of Markus
Feyerabend
Sent: 23 March 2009 15:08
Subject: Re: Yak-List: Hand Propping
Here=AEs a clip of Jurgy=AEs Sukhoi getting hand/rope propped...
http://www.youtube.com/watch?v=Azi0VP8IFg0
I=AEd think that when wearing proper gloves and paying attention not to
loop
the rope around your hand etc. it looks safer to me than by hand
propping
directly at the prop...
I=AEve got no experience hand propping a radial engine though and I=AEm
already
intimidated enough to pay extreme caution hand propping a Lycoming or
similar engines....
just my 2 (Euro)cents,
Markus
> -----Urspr=FCngliche Nachricht-----
> Von: "Barry Hancock" <bhancock@worldwidewarbirds.com>
> Gesendet: 23.03.09 15:53:28
> An: yak-list@matronics.com
> Betreff: Yak-List: Hand Propping
> --> <bhancock@worldwidewarbirds.com>
>
> Guys,
>
> First, a disclaimer. Hand propping is inherently dangerous and ANY
> attempt to start the engine in this manner could kill you. The
> following is not an endorsement or recommendation of any procedure.
> It is merely an observation after seeing many techniques tried.
>
> Walt is right...and I've seen it happen. No air but a perfect
> alignment for ignition and the engine springs to life when the start
> button is pushed. With just the wrong timing your hands (or worse)
> can be good material for the latest Ginsu commercial.
>
> Another technique that seems to lower the risk (again, do not attempt
> this at home) is to get the plane set up and stand clear of the prop
> while the start button is pushed. Once the "Bzzzzzzzzz" of the
> exciter is heard and the prop still dead, then walk up to it and give
it a
whirl.
>
> I've done the other way (the Russian Roulette technique) and just been
> plain lucky to not get hurt. Seeing the thing fire without air
> convinced me to never do it the old way again...and count my blessings
> that I didn't get a call from Ginsu.
>
>
> --
> Barry Hancock
> Worldwide Warbirds, Inc.
> office (909) 606-4444
> cell (949) 300-5510
> www.worldwidewarbirds.com
>
>
>
>
>
List
7-Day
Message 4
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I didnt mean to say that one doesnt have to be cautious, using a rope ! However,
I would fell a little more comfortable being a bit further away from a 360/400hp
shredder...
He used to run a 4 blade prop some time ago, but the more recent pics show a 3
blade again. And the plane on your picture shows his SU-26, whereas the one in
the clip is was LY-LJK, his SU-31...
> -----Ursprngliche Nachricht-----
> Von: "pilko2" <pilko2@btinternet.com>
> Gesendet: 23.03.09 17:24:47
> An: <yak-list@matronics.com>
> Betreff: RE: Yak-List: Hand Propping
> Jurgis normally runs a 4 blade prop not a three as illustrated here.
>
> No matter the CAUTION note to hand propping still applies !
>
> -----Original Message-----
> From: owner-yak-list-server@matronics.com
> [mailto:owner-yak-list-server@matronics.com] On Behalf Of Markus Feyerabend
> Sent: 23 March 2009 15:08
> To: yak-list@matronics.com
> Subject: Re: Yak-List: Hand Propping
>
>
> Heres a clip of Jurgys Sukhoi getting hand/rope propped...
> http://www.youtube.com/watch?v=Azi0VP8IFg0
>
> Id think that when wearing proper gloves and paying attention not to loop
> the rope around your hand etc. it looks safer to me than by hand propping
> directly at the prop...
> Ive got no experience hand propping a radial engine though and Im already
> intimidated enough to pay extreme caution hand propping a Lycoming or
> similar engines....
>
> just my 2 (Euro)cents,
> Markus
>
>
> > -----Ursprngliche Nachricht-----
> > Von: "Barry Hancock" <bhancock@worldwidewarbirds.com>
> > Gesendet: 23.03.09 15:53:28
> > An: yak-list@matronics.com
> > Betreff: Yak-List: Hand Propping
>
>
> > --> <bhancock@worldwidewarbirds.com>
> >
> > Guys,
> >
> > First, a disclaimer. Hand propping is inherently dangerous and ANY
> > attempt to start the engine in this manner could kill you. The
> > following is not an endorsement or recommendation of any procedure.
> > It is merely an observation after seeing many techniques tried.
> >
> > Walt is right...and I've seen it happen. No air but a perfect
> > alignment for ignition and the engine springs to life when the start
> > button is pushed. With just the wrong timing your hands (or worse)
> > can be good material for the latest Ginsu commercial.
> >
> > Another technique that seems to lower the risk (again, do not attempt
> > this at home) is to get the plane set up and stand clear of the prop
> > while the start button is pushed. Once the "Bzzzzzzzzz" of the
> > exciter is heard and the prop still dead, then walk up to it and give it a
> whirl.
> >
> > I've done the other way (the Russian Roulette technique) and just been
> > plain lucky to not get hurt. Seeing the thing fire without air
> > convinced me to never do it the old way again...and count my blessings
> > that I didn't get a call from Ginsu.
> >
> >
> > --
> > Barry Hancock
> > Worldwide Warbirds, Inc.
> > office (909) 606-4444
> > cell (949) 300-5510
> > www.worldwidewarbirds.com
> >
> >
> >
> >
> >
>
>
>
>
> List
> 7-Day
>
>
>
>
Message 5
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| Subject: | Re: Scott Taliwheel for Yak 55M |
Hi Wes,
I am not sure if you received my previous email, but this is great news.
Are you willing to part with it for a price? Or is there a way I can get
the details to have one made locally?
Regards,
Anthony.
On Fri, Mar 20, 2009 at 9:26 AM, Wesley Warner <warner.wesley@gmail.com>wrote:
> I found the one adapter I have here at home. It was packed away. I
> have attached a pic of it. In the picture is a gear extender as well,
> so you can get an idea of what they look like. This particular Scott
> adapter is for a plane without the gear extenders. It will work on
> one with them, it's just not perfect.
>
> Wes
>
> On Wed, Mar 18, 2009 at 7:34 PM, Yak 55M <yak55m@gmail.com> wrote:
> > Thanks Wes,
> >
> > that makes sense. I think I have the extenders, but I will double check.
> > Any chance you can provide a photo (sorry to be a pest)? Thanks for the
> > follow up on the adapter plate, anything would help.
> >
> > Regards,
> >
> > Anthony.
> >
> >
> > On Wed, Mar 18, 2009 at 1:13 PM, Wesley Warner <warner.wesley@gmail.com>
> > wrote:
> >>
> >>
> >> I'm having some issues getting in touch with the the guy I had making
> >> them before. Hopefully I can see him next week or so. I thought I
> >> had one of the prototypes here, but I guess it's not. I should be
> >> able to find that one next week also.
> >>
> >> The extenders normally are just some plate material that bolts to the
> >> landing gear holes and lowers the axles by about 3". Most people
> >> started using them to run the larger Whirlwind prop and still have an
> >> adequate amount of ground clearance.
> >>
> >> Wes
> >>
> >> On Mon, Mar 16, 2009 at 1:12 AM, Yak 55M <yak55m@gmail.com> wrote:
> >> > Thanks Wes,
> >> >
> >> > the previous owner installed Grove 500x5 wheels and tires. I don't
> >> > think I
> >> > have gear extenders, from what I can tell the axles are bolted
> directly
> >> > to
> >> > the base of the legs. What do the extenders look like, and what is
> >> > their
> >> > purpose? I will check my ailerons as you suggested and let you know
> if
> >> > I
> >> > need the bushings.
> >> >
> >> > Regards,
> >> >
> >> > Anthony.
> >>
> >>
> >> =======================
> >> rget="_blank">http://www.matronics.com/Navigator?Yak-List
> >> ==========
> >> http://forums.matronics.com
> >> ==========
> >> le, List Admin.
> >> ="_blank">http://www.matronics.com/contribution
> >> ==========
> >>
> >>
> >>
> >
> >
> >
> ===========
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> >
> >
>
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