HobbyKing.com New Products Flash Sale
View Poll Results: How much foam do you consume?
1 bundle or less per year 83 33.88%
1-2 bundles per year 98 40.00%
2-6 bundles per year 42 17.14%
1-2 bundles per month 7 2.86%
2-4 bundles per month 4 1.63%
4 or more bundles per month 11 4.49%
Voters: 245. You may not vote on this poll

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Old Sep 14, 2012, 01:55 PM
Altitude is my friend...
Depronicus's Avatar
Southern California
Joined May 2009
1,507 Posts
Sealing the aileron, elevator, rudder gap

Quote:
Originally Posted by Michael V View Post
...not as black and white as it may seem...
It's black and white for a lot of flyers. Note that these aren't links to model airplane sites. These are about the 100% versions:

http://www.knots2u.com/cessna-gs.htm

http://www.laminarflowsystems.com/lf...n_gapseal2.htm

http://www.hortonstackdoor.com/fligh...t_c182-gap.htm

http://www.biplaneforum.com/f11/pitt...er-video-5929/

http://www.biplaneforum.com/f11/aile...-sealing-5331/

http://www.wingsforum.com/viewtopic....19676&start=15
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Old Sep 14, 2012, 02:52 PM
Registered User
Michael V's Avatar
United States, CA, Torrance
Joined Apr 2012
716 Posts
OK Great, I stand corrected. It must have significant importance. Got to rethink my hinges now Or at least pay attention to this issue and run tests. Thanks
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Old Sep 15, 2012, 01:34 AM
just Some Useless Geek
Chicagoland
Joined Oct 2008
2,539 Posts
Yes, please run tests and collect data. I have used all kindsa hinges, from the simple tape-on-both-sides to the pinned tab thingies. I fell into the live hinge habit because they are really easy to use, offer great alignment and control surface lateral roll stiffness, and don't interfere with the addition of tape later on if I think the hinge needs to be "sealed" to keep air from leaking through. For most of my sport planes these live hinges work quite well.

Of course, I'm talking primarily of planes that are under 250 grams, so those of you building bigger aircraft need to consider what the Big Boys are saying. But if my 185 gram, 55 MPH park jet is working well with live hinges then do I really need to be concerned?
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Old Sep 15, 2012, 01:48 AM
Altitude is my friend...
Depronicus's Avatar
Southern California
Joined May 2009
1,507 Posts
Quote:
Originally Posted by A Useless Geek View Post
...But if my 185 gram, 55 MPH park jet is working well with live hinges then do I really need to be concerned?
You wouldn't think so, would you? Nevertheless, the woodie 3D plane manufacturers all seem to be sealed-gap True Believers now.
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Old Sep 15, 2012, 07:40 PM
Slipping the Surly Bonds
dz1sfb's Avatar
Attica, MI
Joined Dec 2006
10,463 Posts
Please get back to the main topic of this thread.

There are forums dedicated to these subjects and the various ramifications of each choice. I would like to keep this thread on subject for the folks who come along to read about it.

Thank you,
Ken
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Old Sep 17, 2012, 09:39 AM
Registered User
LawnDartMike's Avatar
United States, OR, Salem
Joined Jan 2012
287 Posts
I thought I would take a break from building - WRONG! (The addiction continues....)

I saw the WOT Next thread and couldn't resist. MPF makes it too easy. Good thing I just ordered another case....
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Old Sep 17, 2012, 02:13 PM
AKA Don
bz1mcr's Avatar
United States, MI, Houghton Lake
Joined Dec 2002
7,584 Posts
A customer just suggested we sell 1/2 boxes. Unfortunately the shipping cost hardly changes.

But what do you think?

Would you like to be able to buy 8 sheets for $25 and $15 shipping?
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Old Sep 17, 2012, 02:47 PM
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cracksmeup's Avatar
United States, IL, Joliet
Joined Jun 2009
3,409 Posts
My motto is go big or go home.lol joe
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Old Sep 17, 2012, 07:26 PM
Registered User
Sam Harbold's Avatar
USA, MD, Joppa
Joined Jul 2003
79 Posts
I bought a box of MPF from the first shipment but due to a health problem I am just getting around to using it. This foam is great!! From the first sheet I cut a scaled up Mini Ugly Stick. I can see this box is not going to last long.
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Old Sep 17, 2012, 08:21 PM
CNC Cutter
birdofplay's Avatar
United States, IN, Indianapolis
Joined Dec 2005
8,609 Posts
Hey Sam,

That looks like an ol wooden tabel Shop Bot you have there ? !

bob
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Old Sep 17, 2012, 09:06 PM
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Sam Harbold's Avatar
USA, MD, Joppa
Joined Jul 2003
79 Posts
Quote:
Originally Posted by birdofplay View Post
Hey Sam,

That looks like an ol wooden tabel Shop Bot you have there ? !

bob
Bob, yea its a 1999 PR9648 and still ticking along.

Sam
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Old Sep 18, 2012, 04:29 AM
Slipping the Surly Bonds
dz1sfb's Avatar
Attica, MI
Joined Dec 2006
10,463 Posts
Quote:
Originally Posted by Sam Harbold View Post
I bought a box of MPF from the first shipment but due to a health problem I am just getting around to using it. This foam is great!! From the first sheet I cut a scaled up Mini Ugly Stick. I can see this box is not going to last long.
I like the name on your vacuum table!

Ken
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Old Sep 18, 2012, 11:02 AM
just Some Useless Geek
Chicagoland
Joined Oct 2008
2,539 Posts
I wasn't going to be the first to point that out, Ken.

-- Marty, hitching up pants and sniffing --
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Old Sep 18, 2012, 12:14 PM
Registered User
Sam Harbold's Avatar
USA, MD, Joppa
Joined Jul 2003
79 Posts
I am glad you like the name. Thanks again for a Great Product the foam machines really nice on the CNC.

Sam
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Old Sep 18, 2012, 12:18 PM
You're killin' me Smalls
BrownEyedFool's Avatar
United States, NJ, Hillsborough Township
Joined Sep 2011
1,557 Posts
Saw single sheets available for sale in the swap area at NEAT Fair this weekend, was good to get a chance to get my mitts on some of the foam. Alas since I ended up hauling back 17 planes and all my camping gear in the minivan, I didn't end up buying any foam since I was virtually guaranteed to bash the hell out of it trying to get it home.

But very nice stuff, and I told the guys camping next to me scratch building Dollar tree SEMFF mustangs to go take a look at it, don't know if they bought any.
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