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Old Feb 17, 2012, 12:25 PM
Watt Waster
Tsavah's Avatar
Joined Oct 2010
1,807 Posts
Poly and Cloth Skin

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Originally Posted by chester2240 View Post
... can you put up a link thats shows how to do that waterbased poly and light cloth finish
I am also interested in the details of the skin over the 1/2" foam board.
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Old Feb 17, 2012, 02:19 PM
Pushing the Limits of FFF
wirbech's Avatar
United States, CA, Sierra Madre
Joined Jun 2005
1,166 Posts
I do not have any pics of how I covered the F-22, but I am currently building a 200% F-18 with the same materials. I will take pics of how I use the cloth and poly during that build and post some pics of it. It is pretty simple.

I use light spackle to fill any large gaps and holes and sand it smooth once dry. I then brush on a light coat of the poly and drape the cloth over the foam and add another coat until the cloth is fully coated. Then I let it dry. After I add a second coat of the poly then sand with 300 to 400 grit sand paper. I then brush on a thin coat of baby power mixed with poly to fill in the remaining fabric weave and then a final sanding before a thin coat primer. Once you primer it, you can see the pinholes and spots that you missed and fill them and another thin primer coat, then the final colors. Thats it. No magic here.

John
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Old Feb 19, 2012, 09:31 PM
Registered User
smkn951's Avatar
United States, HI, Kapolei
Joined Jan 2007
1,440 Posts
150%

First off...thank you very much Steve for wonderful plans.
this one is made of Dollar tree foam boards 8 sheets total.
AUW 2.6 LBS
with a monster jet.
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Old Feb 19, 2012, 10:27 PM
Park Jet Guru
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Seattle, WA
Joined Jun 2002
5,589 Posts
EXCELLENT work, smkn! Fantastic looking model. Great job with the shaping, especially.

What scale is that beauty--150%? Good luck on the maiden! Let us know how it goes.
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Old Feb 20, 2012, 11:50 AM
Registered User
United States, VA, Herndon
Joined May 2007
959 Posts
Looking really great Smkn951!

We think a lot alike

I pulled out my old and somewhat beat up 140% Shumate and outfitted the MonsterJet. With some luck I'll get out this afternoon and get some video, although it will probably have to be on a tripod as I doubt I'll get a camera person out in this cold.

Mine came out heavier too... 55oz AUW. Shouldn't be a problem at all though. This one flew great almost 1lb heavier. I did have to rework the motor mount for the monsterjet. The previous mount was way to big and heavy.
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Old Feb 20, 2012, 01:20 PM
Watt Waster
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Joined Oct 2010
1,807 Posts
FFF Jet build

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Originally Posted by wilmracer View Post
... I pulled out my old and somewhat beat up 140% Shumate and outfitted the MonsterJet. ... Mine came out heavier too... 55oz AUW. ... I did have to rework the motor mount for the monsterjet. The previous mount was way to big and heavy.
Sure looks like a flyer to me. I think I see a hint of FFF, which is what I often use. Thanks for sharing.
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Old Feb 20, 2012, 03:14 PM
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United States, VA, Herndon
Joined May 2007
959 Posts
Flew the dust off of the raptor... got her dialed in and feeling pretty solid. Didn't have a camera person so I used a tripod. Not sure if I got any decent shots or not. I didn't get to run my third pack through her though... I accidentally pulled one of the wires to the BEC loose. Need to get it reconnected and beefed up a bit.

Need to try some other prop combos. The 7x6 (not an e prop, just one I had around) ran really smoothly but didn't have the thrust I want for this one.
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Old Feb 20, 2012, 05:18 PM
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United States, HI, Kapolei
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Hey wilmracer, Were you using the 2400 or the 2100?
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Old Feb 20, 2012, 08:35 PM
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United States, HI, Kapolei
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Maiden a success!!!but i need more power. this on a 3s 2200 mah 40c, 2400kv monster jet 7x6 prop. 2.6lb
150% F-22 (3 min 20 sec)
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Old Feb 20, 2012, 08:56 PM
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United States, VA, Herndon
Joined May 2007
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smkn951 - Mine is the 2200kv. Looks like yours flies great. I know I need more power too. I have more amps available so I'll play around with props.
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Old Feb 20, 2012, 09:00 PM
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United States, HI, Kapolei
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please post the best combination. it seems i always want more speed, then i want to built it bigger, then more speed....when does it end?
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Old Feb 20, 2012, 09:11 PM
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United States, VA, Herndon
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Quote:
Originally Posted by smkn951 View Post
....when does it end?
I don't think it ever does.
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Old Feb 20, 2012, 09:20 PM
it wasn't me flying that plane
Hover or die's Avatar
United States, NC, Wilmington
Joined Mar 2011
704 Posts
Smkn,
How on earth did you put it together so quick?!??Props friend!
And big congrts on maiden!!
Take care...................................Chris
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Old Feb 20, 2012, 10:36 PM
Park Jet Guru
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Seattle, WA
Joined Jun 2002
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Quote:
Originally Posted by smkn951 View Post
Maiden a success!!!but i need more power. this on a 3s 2200 mah 40c, 2400kv monster jet 7x6 prop. 2.6lb
http://www.youtube.com/watch?v=1L5i_...ature=youtu.be
Congrats, smkn! Man, those were some LOW fast passes for a maiden flight!
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Old Feb 20, 2012, 10:51 PM
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United States, HI, Kapolei
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Thanks Steve....but i think that low pass was unintentional.....puckered up really quick on that one...
one thing tho...gotta add another layer underneath, that landing put about an inch hole in the belly...it's only dollar tree foam. single sheet.and it's really soft.
hope to paint it this week.

Chris.....thanks for the props. i had about threee days on it from 0800 till about 2100 hrs for three days working on it.
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