Today's Message Index:
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1. 05:07 AM - please post a pic (Douwe Blumberg)
2. 05:20 AM - Re: New piet builders forum (womenfly2)
3. 05:45 AM - Re: Re: New piet builders forum (Scott Knowlton)
4. 08:30 AM - Re: Re: Vi Kapler hinges ((null) raykrause)
5. 04:17 PM - Re: New piet builders forum (pjb)
6. 04:18 PM - Re: New piet builders forum (pjb)
7. 05:40 PM - Re: OT testimonial for Schweis bifold doors (dgaldrich)
8. 05:46 PM - Re: Re: OT testimonial for Schweis bifold doors (Steven Dortch)
9. 07:53 PM - Re: Vi Kapler hinges (taildrags)
Message 1
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| Subject: | please post a pic |
Hey all,
Just started a thread on the new BPA webpage. in the photo section under
"non-historical" air camper & Sky Scout photos. let's all start posting
photos of our finished airplanes there along with some info about it and
over time it should become a real fascinating resource and inspiration for
all.
Douwe
Message 2
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| Subject: | Re: New piet builders forum |
Joined! ...
KAP :D
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Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=467005#467005
Message 3
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| Subject: | Re: New piet builders forum |
Me too.
Scott K
> On Mar 8, 2017, at 8:23 AM, womenfly2 <Love2Fly.KAP@gmail.com> wrote:
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> Joined! ...
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> KAP :D
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> Read this topic online here:
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> http://forums.matronics.com/viewtopic.php?p=467005#467005
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Message 4
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| Subject: | Re: Vi Kapler hinges |
Oscar,
I did not see your write up on the effect of the weight of the hinges on the CG
that was referenced in this series. Could you send it to me? I really enjoy your
writings.
I'm sure I understand what it must have said because I'm dealing with the CG of
my SkyScout....fun!
Thanks,
Ray Krause
Sent from my iPad
> On Mar 7, 2017, at 9:24 PM, taildrags <taildrags@hotmail.com> wrote:
>
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> Jon;
>
> I will admit to using the example of CG impact of the weight of the complete
set of tail surface hinges vs. fuel in the tank for dramatic effect, but it does
drive home the point. No matter what a builder uses for hinges back there,
it's going to weigh something but you can at least be aware of what's going out
on the tail and try to keep it light. On my airplane, the approximate moment
arm from the datum to the tail surface hinge location is about +164" and the
moment arm from the datum to the fuel location in the nose is about -4" so you
can see that there is about a 40:1 advantage to anything that goes out on the
tail compared to things that go out in front of the wing. Pretty much anything
you do in the front cockpit, landing gear, or rear cockpit instrument panel
will not affect the CG much at all but will affect the gross weight. If you
have your fuel in the wing centersection, the CG will not shift noticeably with
fuel burn. Whatever you do with a passenger or wi!
> th baggage that you place in the front cockpit will not affect CG but will affect
gross weight. The front cockpit is a magical area... things that you put
in it don't affect the CG, but getting anything into it is a magic trick in itself
;o)
>
> In my airplane (16 gal. nose tank), after I fuel up I have to hold back stick
for at least the first hour after topping off. For the second hour or so, everything
is nicely balanced because fuel has burned off and the slight nose heaviness
eases off and the altimeter doesn't seem to want to keep unwinding on
me. After that, I don't even notice the stick pressure because I'm too focused
on the (float-and-rod) fuel gauge and am looking for a rest stop ;o)
>
> --------
> Oscar Zuniga
> Medford, OR
> Air Camper NX41CC "Scout"
> A75 power, 72x36 Culver prop
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> Read this topic online here:
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> http://forums.matronics.com/viewtopic.php?p=466991#466991
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Message 5
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| Subject: | Re: New piet builders forum |
Me too !
Patricia
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=467064#467064
Message 6
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| Subject: | Re: New piet builders forum |
Me too !
Patricia
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=467065#467065
Message 7
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| Subject: | Re: OT testimonial for Schweis bifold doors |
Hey Steve
I too have a Miracle Span hangar with their in-house supplied door. A previous
owner did the same thing you did and it trashed the gearbox so you can consider
yourself lucky. I agree that Schweiss is an excellent company to deal with.
They offered me a retrofit kit to convert my door to the later straps in lieu
of the cables. Haven't decided if it's worth the $$$ yet.
Dave
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=467072#467072
Message 8
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| Subject: | Re: OT testimonial for Schweis bifold doors |
What is the cost of the conversion?
Not on this years list but perhaps. I hear they are much smoother.
On Wed, Mar 8, 2017 at 7:40 PM, dgaldrich <dgaldrich@embarqmail.com> wrote:
> dgaldrich@embarqmail.com>
>
> Hey Steve
>
> I too have a Miracle Span hangar with their in-house supplied door. A
> previous owner did the same thing you did and it trashed the gearbox so you
> can consider yourself lucky. I agree that Schweiss is an excellent company
> to deal with. They offered me a retrofit kit to convert my door to the
> later straps in lieu of the cables. Haven't decided if it's worth the $$$
> yet.
>
> Dave
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=467072#467072
>
>
--
Blue Skies,
Steve D
Message 9
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| Subject: | Re: Vi Kapler hinges |
Ray; my comment about the weight of the hinges is on the "how the hinges are made"
webpage that I posted the link to. Down at the bottom of that page is a picture
of a finished pair of the hinges with this caption:
"... and here, after some 396 separate hand operations, is a pair of hinges. Approximate
weight of this pair of hinges, minus the mounting screws and pivot pin
hardware, is 0.64 oz, or about 0.38 lb for the complete set of 9 pairs. Since
all of this weight is aft of the CG and on a very long moment arm, keeping
these parts light is important. Believe it or not, the moment created by this
1/3 of a pound for a set of hinge castings out at the tail of my Air Camper is
the same as that created by 3 gallons of fuel (18 lbs) in the nose tank. Use
thin AN washers on the clevis pins, don't use pins that are any longer than necessary,
and clip the excess leg lengths off the cotter pins before setting them."
--------
Oscar Zuniga
Medford, OR
Air Camper NX41CC "Scout"
A75 power, 72x36 Culver prop
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=467087#467087
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