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RE: All composite 1/10 F-104 scale 90mm edf plug/mold f... - 3/31/2013 7:15 PM   
SCALECRAFT



Posts: 2597
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Last Login: 5/21/2013
From: MONTEBELLO, CA, USA
Status: offline 		Invert, your right. The power system was the cheapest, low power, most simple method of getting some thrust out the back.

In ideal ( on a test stand) conditions with clean air I got 120mph eflux. Around 4.5 lbs of thrust. The model came in at 6lbs, 9oz.

It has no ducting and 3 bulkheads that the air hits as it enters the side intakes. Lipos in front of an extended bell mounth, ect......

When I get the complete intake system done, I will post a pic of what I tried to fly this 104 on. NOT an impressive installation..

I did have a 2650watt 160mph 7lbs of thrust set up in it at first, but then thought that system could be damaged in the testing. So that one will be for one of the other 104s' after I get all the components completed.

I figure the 20-30 mph wind did not help much when I tried to turn it back into the wind with little power. Thrust would have good right at that point.

I will make changes to the one that "fell' out of the sky and also I will begin fabricating another 104 this coming week. With real power.

Maybe.....

Lots of options to go.



Steve

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RE: All composite 1/10 F-104 scale 90mm edf plug/mold f... - 4/1/2013 4:51 AM   
sidgates



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quote:

ORIGINAL: amtpdb

HI:
Does anyone know of a place to buy the blue or pink foam in the Ontario-Fontana area? I have checked with Home Depot and Lowes in the area with no luck. I was looking for 1'' and 2'' 4x8 sheets.
Thanks for any help.
Don




Amp - In Denver I get white, pink or blue from Home Depot. They stock 2" x 2ft x 8ft.

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RE: All composite 1/10 F-104 scale 90mm edf plug/mold f... - 4/1/2013 5:13 AM   
BD5wingnut



Posts: 59
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From: Austin, TX, USA
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I use a local contractor supply operation. The big box stores trend to just carry the fanfold or 3/4 inch stuff, some will stock larger sizes. My source carries 2.0 and 4.0 inch planks, it is really heavy, nearly twice the weight of the white Poly Styrene. I only use the blue stuff for the high performance/larger scale applications. On the smaller scale stuff, you can build stronger/lighter surfaces with white foam under balsa and light glass skins, than blue foam with glass skins only.

I am sure some will argue the point till they are blue in the face... I don't care about what is cool or trendy I just go with good ol' proven/simple techniques.

Best of luck and good hunting.

Wolf

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RE: All composite 1/10 F-104 scale 90mm edf plug/mold f... - 4/1/2013 3:17 PM   
SCALECRAFT



Posts: 2597
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From: MONTEBELLO, CA, USA
Status: offline 		To each his own. Especially on foam!

But, I gotta go with BD5 on this foam thing. Cheaper too.

Steve

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       Post #: 154

RE: All composite 1/10 F-104 scale 90mm edf plug/mold f... - 4/14/2013 5:34 PM   
SCALECRAFT



Posts: 2597
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From: MONTEBELLO, CA, USA
Status: offline 		Now to get some real performance out of what ever system.

The intake duct fabrication. It's going pretty quick.

Steve

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RE: All composite 1/10 F-104 scale 90mm edf plug/mold f... - 4/14/2013 11:20 PM   
scale dail


 

Posts: 1400
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Status: offline 		Thanks for showing your process. I may have to make some intake ducts in the future.

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RE: All composite 1/10 F-104 scale 90mm edf plug/mold f... - 4/15/2013 4:47 AM   
SCALECRAFT



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Status: offline 		This is what I got out of the beer box.

The intakes.

Excuse the mess. It's how i work till I can't find what i need.

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RE: All composite 1/10 F-104 scale 90mm edf plug/mold f... - 4/20/2013 3:14 PM   
SCALECRAFT



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Ducting I made.

RCU pics posting is a joke next to RCG. Many more very easy to load pics on RCG, EDF forms if interested.

Steve

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RE: All composite 1/10 F-104 scale 90mm edf plug/mold f... - 4/21/2013 5:50 AM   
BD5wingnut



Posts: 59
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Status: offline 		I think that RCU is just weedin out the kiddies with their Iphones. LOL

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RE: All composite 1/10 F-104 scale 90mm edf plug/mold f... - 4/30/2013 4:17 AM   
Sessholvlaru



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Status: offline 		Are you going to offer kits?

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RE: All composite 1/10 F-104 scale 90mm edf plug/mold f... - 4/30/2013 2:20 PM   
SCALECRAFT



Posts: 2597
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From: MONTEBELLO, CA, USA
Status: offline 		Once I proof fly it, probably a few, yes.

steve

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RE: All composite 1/10 F-104 scale 90mm edf plug/mold f... - 4/30/2013 3:09 PM   
Sessholvlaru



Posts: 1599
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Status: offline 		Count me in.

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All Forums >> RC Airplanes >> Composites Fabrication And Repair >> RE: All composite 1/10 F-104 scale 90mm edf plug/mold fabrication
Page: <<   < prev  1 2 3 4 5 6 [7]





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