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My first Depron model...BAE Hawk

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Tony F17/03/2014 00:21:45
484 forum posts
105 photos

Hi All...after reading the many threads on Depron models I thought I'd try one...smiley

After hunting around for something easy ish and something I like , I opted for a BAE Hawk pusher.

Very early WIP

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006.jpg

And I have to glue 12 of these in 6mm together to make the nose..surprise

004.jpg

Will post more pictures as I go on.

Tony

Monz17/03/2014 00:52:38
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545 forum posts
26 photos

Muaaahahahahaha welcome to the light side Shout if you have any questions.

Gavin Livsey17/03/2014 07:50:54
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113 forum posts

Tony, also watching. What plan is it? Looks like one from Parkjets.com.

I'm a recent convert to the light side and have found my first parkjet to be as fun as my big toys costing hundreds times more.

Depron Daz17/03/2014 12:32:05
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760 forum posts
173 photos

Tony, it only goes downhill from here! The next model will be twice as big as your first, and the next will be even bigger

As Monz said, if you have any questions just post them or PM.

Regarding the nose, I would hollow out the centre from all the pieces except the outside ones of course to help keep it light, or get a piece of Cellotex foam and sand it to shape. This stuff is so light and easy to work with.

Good luck and keep us posted.

Andrew Price 217/03/2014 12:54:57
815 forum posts

Hi Tony. Looks like you have already excited two hardcore (was going to use "heavywieght"!!!) members of the Depron Builders Guild!! Good luck with the build. Watching with interest. Andy.

Tony F17/03/2014 13:52:14
484 forum posts
105 photos

Hi Gavin , it's a plan by Jeffrey Park....don't recall seeing it on Parkjets ? It's amazing how people "tile" the plans to make it easier printing off...that's new to me. I've learnt how to do that with any plan now and it's opened up some interesting possibilities. Cutting out all the parts sure is a tedious process but extremely satisfying at the same time...LOL Cheers Daz will look into cutting weight down in the nose but I also have to cut 12 pieces of 6mm depron to make the canopy !!!

Looking forward to the challenge of making an elevon tail piece and will definitely need help on setting that up....still haven't decided on doing ailerons yet. Progress will be a tad slow as I'm on nights tonight until Friday when I can crack on again.

Tony

Simon Chaddock17/03/2014 14:51:51
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5487 forum posts
2885 photos

Tony F

Depron is light but hollow Depron structures are even lighter! wink 2

Depron Daz17/03/2014 17:07:48
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760 forum posts
173 photos

Tony, gluing depron together as you suggest makes for quite a lot of weight when you take into account 11 layers of glue also. Have a look at my Valiant or Vulcan build photos in my albums for making the canopy shape using formers and 3mm depron skin, or try making a plug from wood and heat a soda bottle over it, then trim to shape.

Elevons are easy. Just make the two tail parts, with a piano wire joiner between the two with a tab in the middle of the joiner so that the servo control rod (or snake) can connect to it.

Andrew, I'm glad you changed your mind, I'm only 12 stone, honest! blush

Toni Reynaud17/03/2014 17:26:13
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392 forum posts
46 photos

If you glue Depron using a thin wipe of thinners instead of glue, there is virtually no weight gain. Damp a cloth with thinners, wipe the face of one of the sheets to be joined, wait a second or two, then place the two sheets together. Hold for 10 seconds or so, and it's done. It's a quick way of building up a nose block.

Another vote for the pop bottle canopies - I use them all the time.

Depron Daz17/03/2014 19:24:54
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760 forum posts
173 photos

I'm guessing the thin wipe of thinners lightly melts the depron surface and allows the two to be joined? It's a new method to me, especially when I run out of UHU POR

Andrew Price 217/03/2014 22:31:14
815 forum posts

Mmmmm. Guess that's the same for me then. blush

Tony F23/03/2014 20:07:13
484 forum posts
105 photos

Thanks for the advice guys wink Back on topic after a week at work. Progress so far =

001.jpg

002.jpg

003.jpg

More to come.

Tony

Tony Bennett23/03/2014 20:14:55
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5080 forum posts
129 photos

looks nice so far Tony.

Tony F25/03/2014 21:29:57
484 forum posts
105 photos

Bit more done tonight.

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1.jpg

3.jpg

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5.jpg

Still a fair bit to do....but it's coming on nicely and it's a fairly straight forward build....frown I went with full depron canopy as my motor should have more than enough power.......hopefully LOL

Tony

Tony F02/04/2014 13:16:33
484 forum posts
105 photos

Binned this I'm afraid......Bought Humbrol water based acrylic paint....ate straight through the depron.

Looks like my first and last attempt with depron....!!!!

Tony

Monz02/04/2014 13:26:24
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545 forum posts
26 photos

Interesting. I used Humbrol acrylic on mine with no problems. That was gray Depron though. Maybe the white is different some way?

Monz02/04/2014 13:27:10
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545 forum posts
26 photos

Can you post a pic of the paint?

Tony F02/04/2014 13:27:57
484 forum posts
105 photos

I used the grey primer Monz.......not going to show a picture....it's nasty.....maybe I used the spray wrong ?

Link here

Tony

 

Edited By Pete B - Moderator on 02/04/2014 13:38:01

Monz02/04/2014 13:33:48
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545 forum posts
26 photos

Ah ok, it's the propellant in the can that ate the depron. Best would be to spray lightly from a distance so that the propellant evaporates in the air while the primer is enroute.

Electriflier02/04/2014 13:41:33
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474 forum posts
1210 photos

Hey Tony,

Don't let this little setback put you off this wonderful material. Monz is absolutely correct in what she mentions about the propellant. If you're to use rattle cans without fear of eroding the depron then you'll have to purchase 'foam safe' aerosol paints from you LMS. I think Monz would agree with me that artists brush on acrylics are the best way to go as a first coat and then either emulsion or rattle cans last, once the depron is sealed.
Enjoying the build..... thumbs up
Regards

Roy

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