EPP which density is better? - Page 2 - RCCanada - Canada Radio Controlled Hobby Forum
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Old 07-16-2007, 08:19 PM   #11
sloper steve
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EPP density

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EPP 1.3# at 9MM thickness for park flyers, flat foamies, shockies 22 to 32 inches.

Above 32 inches you need extra spars and thicker than 9mm is a bit goofy for a leading edge or defeats purpose of keeping it light.

EPP 1.9# has its place for high speed wings.

For light planes using EPP 1.3# as airspace and carbon is flex prevention is the way of the wok.

The ultimate EPP pack for shipping will be in stock tomorrow!!
It should be around $7-$8 to ship and I think the duties/taxes can be left to $0.00
A youtube vid will be made showing a simple wing cutout. Perhaps I could rely on some others for a fuse cutout.
We've got the Slofly 28 elevator and rudder put into a jpg format for printing straight off your browser.
Getting that system down for all of us makes spreading and printing plans super easy. Just lay paper on foam and cut through it. No lines needed on the foam.

I have to be nice and prompt for you guys to try and keep food on the table!

6mm epp is awesome for built up fuses or undercamber wings, light ribs
3.5mm epp is great for hollow wings but I have not seen that be anywhere as easy as just making a 6mm or 9mm based plane.

Keep the plane under 6.5oz for best value.
You can use under $20 motor and battery to get 3:1 thrust to weight ratio.
To do this with a plane using say 2100mah packs is much more expensive or difficult to achieve.
Keep the wingloading low as heck so floats longer, less throttle keeps it going easier, battery lasts longer.
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Old 07-17-2007, 10:01 AM   #12
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Nice to see you here Steve! Thanks for your great input. I am placing an order with you today.

Outlaw Flyer with a Twizzler in my hand!
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Old 07-18-2007, 12:20 PM   #13
sloper steve
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New size for all kits

For super cheap and fast I have a new size called the worldwide pack.
It is also at slofly.com under EPP party pack.
I'm working to get the price lower too!

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