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'Master of Insanity' build

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'Master of Insanity' build

Old 05-12-2006, 03:31 PM
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indoorff
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Default 'Master of Insanity' build

Hey everyone

I have finally gotten around to starting a project for the GZ049 that I have had for a while, a model designed strictly for top speed, dubbed "Master of Insanity" (after the Black Sabbath song). Figured it would be a fitting name to a plane designed for insane (hopefully) speeds.

I will post pictures in this thread as the building progresses. So far, I have been carving fuselage plug, which will eventually be moulded in carbon fiber. I started with the hideous 2x4 in the picture below, and carved it into the plug you see. I still have to sand the plug to perfection, and give it many coats of varnish yet, but the overall shape is correct now.

EDIT : sorry, I have no idea why the pictures have organized themselves in a manner that makes this post incredibly wide!

Cheers
Chris
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Old 05-12-2006, 04:12 PM
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flybug
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Default RE: 'Master of Insanity' build

Wow, I really want to see the final product; I'm sure it will look better thatn that 2x4
Old 05-12-2006, 05:11 PM
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Tim Wiltse-RCU
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Default RE: 'Master of Insanity' build

Chris,

Nice work for sure! My hands hurt just looking at all that sanding!

LAter,
Tim
Old 05-12-2006, 05:57 PM
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Default RE: 'Master of Insanity' build

Looks gorgeous, Chris! [8D] I see your clever hatch line, nice to have that detail figured out in advance. Keep up the good work!!!
Old 05-12-2006, 06:35 PM
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Default RE: 'Master of Insanity' build

Thanks for the compliments guys.

Flybug - it will be a long process, probably won't be finished for quite some time. And you are right, it cant look <much> worse than that 2x4!

Tim - I managed to carve and file a lot of it, after hogging it down with a rasp. Still a lot of sanding though

CP - Yup, thats a hatch line. The plug is two halves, plus a hatch. The wood glued together with brown paper sandwiched in between. When it comes time to break the plug apart, you simply wedge something in between the layers, and it pops apart with very little effort. It is something my uncle showed me, he makes many patterns for sand casting this way.
Old 05-12-2006, 07:06 PM
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Default RE: 'Master of Insanity' build

... I think I see a few woodworms living in the raw piece......

Excellent thread start! And nicely done on the plug!

It seems a bit short though......

And like you I have no idea what the server is doing to the pictures.....
Old 05-12-2006, 08:15 PM
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indoorff
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Default RE: 'Master of Insanity' build

ORIGINAL: BMatthews


It seems a bit short though......
You think so? It is ~19" front to back. My wing chord will not be quite as large as some, I am going for slightly higher aspect ratio, so I don't think it will end up looking too short. It better not anyways, the last think I want is a twitchy elevator

Chris
Old 05-12-2006, 08:36 PM
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KidEpoxy
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Default RE: 'Master of Insanity' build

I think I saw a board down in the creek for 3 years that looked better than that Starting Point 2x4 you got.
I'd say you deserve a medal just for getting a nice plug from that ugly board. Seriously.... that board needs to be euthanized.... I wouldn't use it for a chockblock.

You gonna have a horizontal seperator to keep the pipe heat out of the rest of the plane?
Old 05-12-2006, 10:10 PM
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indoorff
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Default RE: 'Master of Insanity' build

ORIGINAL: KidEpoxy

I think I saw a board down in the creek for 3 years that looked better than that Starting Point 2x4 you got.
I'd say you deserve a medal just for getting a nice plug from that ugly board. Seriously.... that board needs to be euthanized.... I wouldn't use it for a chockblock.
Just goes to show the quality of materials they are using at the building site accross the street


ORIGINAL: KidEpoxy
You gonna have a horizontal seperator to keep the pipe heat out of the rest of the plane?
I was going to do something with reflective aluminum tape on the pipe side. Is that generally considered a good idea?

Old 05-12-2006, 11:09 PM
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Default RE: 'Master of Insanity' build

All I use to seperate the pipe tunnel from the rest of the plane is file folder paper that is covered with 4 oz cloth, then saturated with medium CA. I use a light mist of 3M77 on the cloth so it will stay put while it gets molded to the paper form. A piece of 1/16th balsa would make as good an insulator / form for the cloth as anything, too. The heat isn't a big deal and the space available to do much about it isn't there, anyway.
Old 05-14-2006, 06:15 AM
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Default RE: 'Master of Insanity' build

Looks great. I wonder if it would make a decent second plane

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