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Depronicus · Sep 14, 2012, 01:55 PM

Quote:

Originally Posted by Michael V

...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

Michael V · Sep 14, 2012, 02:52 PM

Quote:

Originally Posted by Depronicus

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

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

A Useless Geek · Sep 15, 2012, 01:34 AM

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?

Depronicus · Sep 15, 2012, 01:48 AM

Quote:

Originally Posted by A Useless Geek

...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.

dz1sfb · Sep 15, 2012, 07:40 PM

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

LawnDartMike · Sep 17, 2012, 09:39 AM

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....

bz1mcr · Sep 17, 2012, 02:13 PM

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?

cracksmeup · Sep 17, 2012, 02:47 PM

My motto is go big or go home.lol joe

Sam Harbold · Sep 17, 2012, 07:26 PM

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.

birdofplay · Sep 17, 2012, 08:21 PM

Hey Sam,

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

bob

Sam Harbold · Sep 17, 2012, 09:06 PM

Quote:

Originally Posted by birdofplay

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

dz1sfb · Sep 18, 2012, 04:29 AM

Quote:

Originally Posted by Sam Harbold

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

A Useless Geek · Sep 18, 2012, 11:02 AM

I wasn't going to be the first to point that out, Ken.

-- Marty, hitching up pants and sniffing --

Sam Harbold · Sep 18, 2012, 12:14 PM

I am glad you like the name. Thanks again for a Great Product the foam machines really nice on the CNC.

Sam

BrownEyedFool · Sep 18, 2012, 12:18 PM

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.

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

Sep 15, 2012, 07:40 PM	#1580
dz1sfb Heaven Bound Attica, MI Joined Dec 2006 8,757 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
	Latest blog entry: Shrike - Forward Swept Wing Combat Plane...

Sep 17, 2012, 09:39 AM	#1581
LawnDartMike Registered User United States, OR, Salem Joined Jan 2012 232 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.... Images View all Images in thread Views: 96

Sep 17, 2012, 07:26 PM	#1584
Sam Harbold Registered User USA, MD, Joppa Joined Jul 2003 54 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. Images View all Images in thread Views: 119 My vacuum hold down with a sheet of MPF foam Views: 130 36" wing span Mini Ugly Stick

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Sep 15, 2012, 01:34 AM	#1578
A Useless Geek just Some Useless Geek Chicagoland Joined Oct 2008 2,291 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?

Sep 17, 2012, 02:13 PM	#1582
bz1mcr AKA Don Troy, MI USA Joined Dec 2002 7,078 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?

Sep 17, 2012, 02:47 PM	#1583
cracksmeup Registered User United States, IL, Joliet Joined Jun 2009 2,727 Posts	My motto is go big or go home.lol joe

Sep 17, 2012, 08:21 PM	#1585
birdofplay American since 1947 United States, IN, Indianapolis Joined Dec 2005 7,575 Posts	Hey Sam, That looks like an ol wooden tabel Shop Bot you have there ? ! bob

Sep 18, 2012, 11:02 AM	#1588
A Useless Geek just Some Useless Geek Chicagoland Joined Oct 2008 2,291 Posts	I wasn't going to be the first to point that out, Ken. -- Marty, hitching up pants and sniffing --

Sep 18, 2012, 12:14 PM	#1589
Sam Harbold Registered User USA, MD, Joppa Joined Jul 2003 54 Posts	I am glad you like the name. Thanks again for a Great Product the foam machines really nice on the CNC. Sam

Sep 18, 2012, 12:18 PM	#1590
BrownEyedFool You're killin' me Smalls United States, NJ, Hillsborough Township Joined Sep 2011 951 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.