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HelicopterTools and Field Equipment › Best way to cut soft foam...
12-08-2004 02:57 AM  12 years agoPost 1
Raptor3DPilot

rrKey Veteran

North Las Vegas, NV

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What is the best way to cut soft foam. I know I can use a hobby knife for outlining it.....but how can I cut the depthness?? I dont want it to look all trashy so I don't really want to try to tear it out. Any ideas??? Thanks!!

Jason

P.S. I thought about cutting it to the depthness (is this really a word?) and then glueing it back onto a flat piece.....but I dont have anything that will cut it in half....

Remember when flying inverted that down is up and up is EXPENSIVE!

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12-08-2004 03:00 AM  12 years agoPost 2
AGRAV8

rrProfessor

Mosquito​Coast......Houston​Texas

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dremel

with a cutoff wheel is how I cut mine.......

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12-08-2004 03:51 AM  12 years agoPost 3
HUTCH964

rrKey Veteran

Taylor,Texas 76574​local airport T74

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Foam Cutter "Hot Knife"

I think you can get one @ a local Hobby Lobby?


.

Tim

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12-08-2004 04:03 AM  12 years agoPost 4
Saint728

rrProfessor

Honolulu, Hawaii

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I bought a custom made foam lining for my helicoper bag and I watched them work on it. They used a electric knife to cut the soft foam. It's the same electric knife you use to cut turkey or a roast. Make sure it's really sharp before you try to cut the foam. It will cut the foam really smooth and straight. They also used a hot wire or something like that, but the electric knife was easier and faster to use.

Take Care,
Cheers, Patrick

Check the hotties in my Gallery
http://rc.runryder.com/helicopter/gallery/9019/?all=photo

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12-08-2004 08:11 AM  12 years agoPost 5
Crusty

rrApprentice

N51 degrees 29.823​minutes W3 degrees​16.133 minut

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A razor saw will do it, I use a hot wire, made from some electric heater element stretched on a bow and connected to a car battery

I am dsylexia of borg..resistance is fruity...your arse will be laminated

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12-08-2004 07:36 PM  12 years agoPost 6
wolfdad

rrKey Veteran

Southern Maryland

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Once you get your initial outline cut, if you are extremely careful and use a new blade you can work your way through the foam without too much trouble. You need to be sure that as you fold the foam back, you don't wind up cutting on an angle, however that is a piece of cake. As I said, the secret is a brand new and extremely sharp #11 blade on your Exacto.

wolfdad sends...

"There are those who have...and, those who will" IRCHA #2117, AMA #70068, Turbine Waiver #105

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12-08-2004 09:33 PM  12 years agoPost 7
z11355

rrMaster

New England

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you can get those 'breakoff' blade type knives
and use that. About 3" long.

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12-09-2004 02:58 AM  12 years agoPost 8
JWatson

rrKey Veteran

Mustang, OK

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i think that a pistol grip type soldering iron with the stock tip removed and a piece of coat hanger or a piece of wire with the same OD as the tip element.


I have never tried it but I have seen it done first hand.

Hope that helps.

Jarrett W.

Jarrett Watson
http://jarrettrc.wordpress.com/

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01-16-2005 02:31 AM  12 years agoPost 9
HeliCool

rrApprentice

Florida

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Weigh it down

Weigh the foam down with a heavy object on both sides of the cut. I use a couple of steel plates and the use a regular exacto to carefully cut it. The plate makes a nice straight edge.

HTH

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01-16-2005 04:04 AM  12 years agoPost 10
Ted Toth

rrElite Veteran

Myrtle Beach S.C.

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i think that a pistol grip type soldering iron with the stock tip removed and a piece of coat hanger or a piece of wire with the same OD as the tip element.
that is one of the best methods
I like copper wire is just a little easier to shape than a coat hanger
if the wire is more than a few inches you may need a soldering gun
with more wattage

.

You don't stop laughing because you grow old, you grow old because you stopped laughing.

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01-16-2005 01:54 PM  12 years agoPost 11
Steve Campbell

rrElite Veteran

Baton Rouge, LA

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Put the foam in the freezer for a few hours, then use a sharp bread knife to cut it. If you outline your cut lines with masking tape, its pretty easy to get a straight line.

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01-28-2005 04:31 AM  12 years agoPost 12
Timberwright

rrNovice

Canton CT. USA

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I set my big car battery charger to 6 volts and clamp a thin guitar string from pos. to neg. and it cuts VERY clean and smooth. I had to change strings occasionally as they do burn out at 6 volts. I think 4 v. would be perfect. I cut a 5"x12"x17" block to fit my box . 12"x17"x3.5" in the bottom and 1.5" in the lid

Obey your heli's thurst

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01-29-2005 11:58 PM  12 years agoPost 13
TopView

rrApprentice

The Netherlands

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Cutting soft foam

Just use a electric bread slicer.

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01-30-2005 11:42 PM  12 years agoPost 14
Big Pockets

rrApprentice

Pasadena, MD

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cut off wheel

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03-24-2005 08:03 AM  12 years agoPost 15
PPLON

rrApprentice

Mexico City

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hot foam cutter, the better way to do it and cheaper.


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03-28-2005 03:04 AM  12 years agoPost 16
green river

rrNovice

Bluegrass State

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Nothing will cut it better than a band saw, slices up foam rubber like bread...try it, I've been doing it for years!

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03-30-2005 01:21 AM  12 years agoPost 17
Art-Tistic

rrVeteran

Somerset, NJ

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I've been making custom AV cases for years and the fastest, cleanest tool I've found for cutting foam is an electric turkey carver. You can achieve very intricate patterns with multi layers of depth by cutting the foam horizontally severl times and then reassemble and glue when done cutting the layers.

Next case I make, I'll post some pics.
Regards,
Anthony

Anthony J Francese
Owner/Executive Producer
Artistic Expressions Video Productions

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04-05-2005 02:36 AM  12 years agoPost 18
m60e3

rrApprentice

Towson, MD

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filet knife

Use a fish filet knife, works very well.

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