Today's Message Index:
----------------------
1. 05:06 AM - Re: Model A Engine (tools)
2. 05:56 AM - Re: nothing in particular (AircamperN11MS)
3. 07:57 AM - Re: Another pietenpol egg has been laid (dgaldrich)
4. 05:07 PM - Re: Re: Another pietenpol egg has been laid (macz@peak.org)
Message 1
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| Subject: | Re: Model A Engine |
Hey oscar,
I thought of that. I actually have a cylinder boring machine, a line boring machine
and a valve grinder.
Thought it would be cool to repour my own Babbitt as well.
Even if you didn't fly the engine, everyone would learn a lot about how a rebuild
goes, and how to measure and ensure proper clearances, which is really the
key to a good rebuild anyway.
Tools
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http://forums.matronics.com/viewtopic.php?p=435805#435805
Message 2
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| Subject: | Re: nothing in particular |
What John said. If it was a good thing.
Oscar, that's the best part of being at the airport.
--------
Scott Liefeld
Flying N11MS since March 1972
Steel Tube
C-85-12
Wire Wheels
Brodhead in 1996
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http://forums.matronics.com/viewtopic.php?p=435807#435807
Message 3
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| Subject: | Re: Another pietenpol egg has been laid |
To the naysayers, I recommend the Robert Frost poem "The Road Not Taken".
Since BHP was arguably the father of EXPERIMENTAL aviation, I think we should allow
divergence and creativity. As Oscar pointed out, there are issues to be
solved but half the fun in the process is finding elegant, workable solutions
to problems.
Ref the wood issues, since doug fir is stronger and heavier than Sitka, you could
reduce the size of the longerons to 1 x 7/8 and still have the same strength
as 1x1 Sitka. If you really wanted to go avante garde, you could make the spars
from a 1/4 inch plywood web and 3/8 x 1 caps on each side top and bottom.
I'm even betting that you could use 3/8 x 1/4 capstrips for the ribs. Aeronca
used 1/4 x 1/4 on the Champs and Chiefs so there is some basis for that premise.
The road less traveled may have some big potholes but it will eventually get you
somewhere.
Dave
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Message 4
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| Subject: | Re: Another pietenpol egg has been laid |
Another possibility is Western Hemlock. Bernard Pietenpol used it in the
last plane or two and said it worked good. I used to get 1-1/2 inch by
1/4 inch hemlock lathe at the lumberyard and pieces 16 feet long had over
24 rings to the inch with no ring leaving the board in 16 feet! I don't
know if that stuff is still available, but with some looking you could
probably find some. It is very comparable to spruce in strength and
weight.
--Mac in Oregon
>
> Glen;
>
> Unless you just want a biplane because it's a biplane, be advised that an
> Aerial will weigh more than an Air Camper, take more time to build,
> require more space, require more power, not cruise any faster, cost more
> to build, and not have any better performance.
>
> I love biplanes, but to me the Aerial is an Air Camper with extra stuff
> stuck on it, and the result is no better than an Air Camper. I bought an
> Aerial as a project a few years ago, with the sole purpose of obtaining
> the beautiful set of spoked wheel landing gear that came with it. I
> donated the fuselage and wings to a school in Alaska so that the students
> could have a project to learn on and build. I have not heard how it is
> going up there.
>
> An Oregon builder could do a lot worse than to use locally available and
> affordable Doug fir for the build, knowing in advance that the airplane
> will be heavy and will require more power in order to perform. With 120HP
> available, you should have enough power.
>
> --------
> Oscar Zuniga
> Medford, OR
> Air Camper NX41CC "Scout"
> A75 power
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=435802#435802
>
>
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