#905 P51 Mustang

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#905 P51 Mustang

Postby pedwards2932 » Thu Jan 18, 2018 8:36 pm

Had some time during snow storm to put this together. I am experimenting with mylar covering. I am using 6 micron and it seems pretty light. We'll see how it goes when I paint it. I used my 3D printer to make a socket for plug in landing gear. They should release easy and I can fly without them if I want.
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Re: #905 P51 Mustang

Postby pedwards2932 » Thu Jan 18, 2018 8:38 pm

Here is a pic of the landing gear socket that I printed.
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Re: #905 P51 Mustang

Postby Blacksheep214 » Sat Jan 20, 2018 5:07 pm

Very nice! I never though of mylar for covering. How hard is it to work with and paint? Even if you don't decide to paint it, it still looks great! Would like to see some completed pics when you get done!
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Re: #905 P51 Mustang

Postby pedwards2932 » Sat Jan 20, 2018 6:49 pm

I have seen it painted with floral spray paint and it looks pretty good. You can also cover the mylar with tissue but I am going to try painting to see how it works. I'll post once I get it painted. The advantage of mylar is it won't sag out at temperature changes and it is really light. I used glue stick and a trim iron to seal it down and a heat gun to shrink. It was pretty easy to do and came out really tight.
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Re: #905 P51 Mustang

Postby Blacksheep214 » Sat Jan 20, 2018 8:55 pm

pedwards2932 wrote:I have seen it painted with floral spray paint and it looks pretty good. You can also cover the mylar with tissue but I am going to try painting to see how it works. I'll post once I get it painted. The advantage of mylar is it won't sag out at temperature changes and it is really light. I used glue stick and a trim iron to seal it down and a heat gun to shrink. It was pretty easy to do and came out really tight.



I wonder how realistic floral spray paint would look. Would enamel work on it?
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Re: #905 P51 Mustang

Postby kittyfritters » Sun Jan 21, 2018 5:56 pm

Blacksheep214 wrote:
I wonder how realistic floral spray paint would look. Would enamel work on it?


Depends on the finish you're going for. Except for the metallics, floral sprays are usually a matte finish.
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Re: #905 P51 Mustang

Postby pedwards2932 » Mon Jan 22, 2018 12:16 pm

I was able to use Krylon rattle cans.....I think it looks pretty good. You have to make sure you have all the seams tight. I am using silver and it probably the hardest to do. I used black first so it would look solid. It looks like I gained about 2 grams painting....not bad. If I had just been wanting a solid color it wouldn't have taken as much paint. Really need to make sure the edges are smooth. I have to wait to tape off and add the black trim and then decals but looks good so far
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Re: #905 P51 Mustang

Postby pedwards2932 » Mon Jan 22, 2018 12:20 pm

Here are the pics with the silver done.
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Re: #905 P51 Mustang

Postby Blacksheep214 » Mon Jan 22, 2018 6:05 pm

Looks very nice! I think you have convinced me to try one in mylar now. You do good work!
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Re: #905 P51 Mustang

Postby pedwards2932 » Tue Jan 23, 2018 9:30 pm

Pretty near finished.....need to decide on a prop. Not sure what these normally weight but it should be okay? Still need to put the exhaust on.
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Re: #905 P51 Mustang

Postby Blacksheep214 » Tue Jan 23, 2018 11:29 pm

I rescued my old Spitfire from the scrap heap just recently. I have a 905 Mustang that is in just about as bad a shape. You have me debating wether to resurrect mine now. That mylar sure looks great! As far as props go, I have had great luck with using a 400 series prop. Its a little bit bigger, but it is a lot more efficient with air. That little one that comes with the plane just struggles to grab air it seems.
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Re: #905 P51 Mustang

Postby kittyfritters » Wed Jan 24, 2018 12:48 am

Try a 6" Peck prop, available anywhere, or a 7" North Pacific prop, if you can find one. Get it balanced and be sure to put your name an phone number on it. At about 27 grams, with prop, nose button, shaft, and a loop of 1/8", flat, tan sport rubber, you could easily get it up into thermal territory and lose it.
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Re: #905 P51 Mustang

Postby pedwards2932 » Fri Jan 26, 2018 4:35 pm

I did a few test glides today. I have a Peck 6" that I think will work and the amount of clay to get a decent glide looks pretty close to the weight of the prop and spinner. I don't like the way the guillow spinner is attached so I think I am going to make a backing spacer for it to fit on. Anyway here are a few of the test glides:
https://www.youtube.com/watch?v=S1URHPCIf8Y
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Re: #905 P51 Mustang

Postby Blacksheep214 » Fri Jan 26, 2018 6:23 pm

pedwards2932 wrote:I did a few test glides today. I have a Peck 6" that I think will work and the amount of clay to get a decent glide looks pretty close to the weight of the prop and spinner. I don't like the way the guillow spinner is attached so I think I am going to make a backing spacer for it to fit on. Anyway here are a few of the test glides:
https://www.youtube.com/watch?v=S1URHPCIf8Y


That flies so nice you just about don't even need a prop!
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Re: #905 P51 Mustang

Postby pedwards2932 » Thu Feb 08, 2018 7:56 am

I found the plastic prop hub that came with the kit fit too loosely for my liking. I have a laser cutter so I made a new hub that fits snugly. I also printed up some shims so I can add downthrust and sidethrust as needed. I make them in several different degree of angle so I can use them for test flight. I added a picture of final weight with 2 loops of 3/32 and a 6" peck....28.1 grams. If I get decent weather I will try to test fly this weekend.
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