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Old Feb 17, 2006, 11:54 AM
Balsa is love....
glue_sniffer's Avatar
Los Gatos, CA
Joined Aug 2004
1,039 Posts
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48" Beech D-18/C-45

Well I mentioned this project to a few folks here, and there seemed to be a bit of interest so I thought I would start a thread on it. The specs are going to be a bit like this:

Span: 48"
Area: 275 sq. inches
Weight.....uh.....20-25 oz?
Motors: Most likely 2 Himax HC2212-0840
Channels: 4

This is a traditional truss style build, and the fuselage should be a bit of a beast to build, not because of any kind of crazy curves, just a lot of pieces. Most of the fuselage will be truss-box style, but the nose will be keel and former. The battery tray will be right up in nose, so hopefully she won't come out tail heavy. I'll be trying to Pat's lamination method for the rudders, to try to keep as much weight out of the tail as possible.

Many thanks to Pat for his guidance regarding incidence, decalage and thrust.

-Sky
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Old Feb 17, 2006, 12:32 PM
Single-task at best...
tim hooper's Avatar
Telford, UK
Joined Feb 2000
7,488 Posts
Sky,

Watching with interest..........

tim
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Old Feb 17, 2006, 12:45 PM
Balsa is love....
glue_sniffer's Avatar
Los Gatos, CA
Joined Aug 2004
1,039 Posts
Thanks Tim! This one is going to be a bit of a back burner project. I most likely won't start building for a few weeks, after I can get some other stuff cleared off my plate, but I'm really enjoying taking my time drafting it. Good thing I guess, there's a lot of lines to draw!

-Sky
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Old Feb 17, 2006, 12:52 PM
Big gov never Works
St. Martin's Avatar
Skunk Water, Rhode Island
Joined Jul 2002
12,299 Posts
Nice choice, sky. I built two D-18's. One the Ziroli, the other the one that was in RCM in the 80's. Slightly larger than yours. With the transfering of my modeling to electrics, I have a lot of designs to redo. Will watch your progress with great interest!

Steve
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Old Feb 17, 2006, 02:08 PM
Balsa is love....
glue_sniffer's Avatar
Los Gatos, CA
Joined Aug 2004
1,039 Posts
Thanks Steve! What's funny to me is that after doing a couple of 36" planes, 48" seems HUGE.

-Sky
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Old Feb 17, 2006, 03:15 PM
Big gov never Works
St. Martin's Avatar
Skunk Water, Rhode Island
Joined Jul 2002
12,299 Posts
Ha..ha.. Imagine how I felt, when building the Ziroli. Most of my planes were modified Guillows.. I could have flown one of them in the cowlings! The Quadras props were bigger than the wings on some of the Guillows..

Steve
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Old Feb 17, 2006, 03:38 PM
Veni Vidi Volavi
Sterling, VA
Joined Jan 2002
2,449 Posts
Sky

Looks great. As Gollum said in Lord of the Rings:

We wants one my Precious!!!

Keep us posted! Trying to find some time to crack open the Luscombe. Never enough time!!

Funk?

Brian Allen

Veni Vidi Volavi

I came I saw I flew
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Old Feb 17, 2006, 03:43 PM
Balsa is love....
glue_sniffer's Avatar
Los Gatos, CA
Joined Aug 2004
1,039 Posts
Thanks Brian -
The Funk is still on the "To Do" list - I was intending to start work on that, and a 36" Beaver, but I kept waking up in the night thinking about the D-18, so I figured the sooner I could at least get it on paper, the sooner I could go back to getting a good night's rest. When a plane gets under my skin like that the only thing to do is to get working on it, or else it just starts to consume my thoughts.

-Sky
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Old Feb 17, 2006, 03:45 PM
Veni Vidi Volavi
Sterling, VA
Joined Jan 2002
2,449 Posts
Sky

Know exactly what you mean!!

Must fight temptation!!

Hope all is well out your way. Hows the flying weather been?

Brian Allen

Veni Vidi Volavi

I came I saw I flew
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Old Feb 17, 2006, 03:46 PM
Balsa is love....
glue_sniffer's Avatar
Los Gatos, CA
Joined Aug 2004
1,039 Posts
It's pouring! We have a new puppy, so I have to go out in the rain every hour or two to get the little beast to do his business.

-Sky
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Old Feb 17, 2006, 04:05 PM
Veni Vidi Volavi
Sterling, VA
Joined Jan 2002
2,449 Posts
Ah yes, one of the major reasons I don't have any pets anymore.

Dad, can we get a dog?? We promise to take care of it and walk it and cleanup after it.

Fast forward 3 months, guess who is out in the rain with the leash??

Thats why I had cats!!

Hope the new pup is doing well.

Brian Allen

Veni Vidi Volavi

I came I saw I flew
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Old Feb 17, 2006, 05:33 PM
Balsa is love....
glue_sniffer's Avatar
Los Gatos, CA
Joined Aug 2004
1,039 Posts
Retracts?

Well I was talking with photog Ian about this one, and he kept saying "You gotta do retracts!" - and well I think he may be on to something. I've never done retracts before, but this would be a great plane to do them on. I know there's a bunch of different retracts out there - can anyone recommend a setup that would be reasonable light and work with this plane?

-Sky
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Old Feb 17, 2006, 06:46 PM
Registered User
Granby, CT, USA
Joined Jan 2001
939 Posts
Twin Beech plans

Tom Hunt has been selling his version (substantially heavier, I suspect, more 'conventional' r/c structure) for quite a few years. I've been building mine for....quite a few years. But there might be merit in looking in on his 'modelairtech' web site, there's a package of vacuumformed nacelles, cowlings, canopies, nosecones, and dummy engines to support his plans. And it's the same size as yours.
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Old Feb 18, 2006, 07:10 AM
Veni Vidi Volavi
Sterling, VA
Joined Jan 2002
2,449 Posts
Sky

I think Robart makes a small set of retracts, think they call them 1/2A size or something similar. Might want to take a stroll through their web site and poke around.

Brian Allen

Veni Vidi Volavi

I came I saw I flew
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Old Feb 18, 2006, 04:54 PM
Registered User
Wisconsin
Joined Nov 2003
2,954 Posts
i wrote to tom and he said the twin beech parts were destroyed in a fire unfortunatley, but i got the plans also and wanted to make one. except with electric power..

it will be very interesting to see what you come up with

Tim
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