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Old Sep 09, 2004, 04:06 AM
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Mini 3D EPP for CD brushless


CD motors, 340mah to 700mah lipoly packs make great light weight 3D trick foamies.

Jazzy video

Free plans

Specs:
5 to 6oz AUW
Up to 30in span (general width between a mini and regular size plane)

Components:
1 micro 3-D plane epp kit

Brushless motors:
15 turn CD motor/2 cell 340-1200mah/7035 gws prop
17 turn CD motor/3 cell 340-1200mah/7035 gws prop
17 turn CD motor/2 cell 340-1200mah/8040 gws prop
25 turn CD motor/3 cell 340-1200mah/8040 gws prop

Low cost brushed:
GWS LPS-A, 7060 prop, 2 cell 340

17 turn cd motor is recommended.

1 pack of wheels lfw-381/15 or smaller
3 blue bird servos BMS-306
1 set of dubro micro control rods
1 pack of dubro micro control horns

Shop items:
Epoxy
CA
Razor blades
Exacto blades
Straight edge
Sharpies for coloring plane
Last edited by sloper steve; Dec 12, 2004 at 12:36 PM.
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Old Sep 09, 2004, 08:29 AM
GenesisCreation is offline
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Very impressive aircraft and flying skills to match. Operates well in confined spaces.
Old Sep 09, 2004, 10:29 AM
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I ordered an hour ago, how come it isn't here yet?
Old Sep 10, 2004, 02:19 AM
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It is flying there now

24" and under planes are working great with 17 turn brushless cd rom motors, hitec 55 or blue bird servos (we've tried lighter servos but have not found any that can take the abuse)
A 2 or 3 cell 340 to 800mah lipoly
2 cells work well with the GWS 8040 (8x4) direct drive prop (aka Hyper Drive prop)
3 cells work well with the GWS 7035 (7x3.5) direct drive prop (aka HD prop)
Old Sep 10, 2004, 10:05 AM
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Hi Sloper Steve,

A few questions:

1. Could it be made out of fanfold foam?

2. Where does the carbon spar with the elevator support go?

3. Landing gear?

4. The club I belong to, MARCEE, is doing a group build of GoBrushless motors this month. There should be about 30 of us building 50 motors over 2 sessions. We have been discussing what to put all those motors into and one of our members, Steve Pauley, is designing a balsa airplane. However, some of us think that foam is useful for more than just cooling beverages. Would you be flattered or annoyed if we bought a bundle of fanfold, cut our own kits, and did a group build? This would not be a commercial venture, we would just use your plans to cut kits at cost for club members.

Thanks,

Steve
Old Sep 10, 2004, 10:08 AM
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Bought at a price.
I like it!

But first, let me commend you on the music! It's nice, IMO, to hear something other than the ubiquitous rock music in most everybody else's videos. But then, I'm a trumpet player & old jazz nut. Was that Miles & Trane? What was the name of that song?

Brad
Old Sep 11, 2004, 07:38 PM
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Thank you for your replies.

muntquist, it would be great to see your club making planes from the plans and hopefully posting opinions and upgrades so we all benefit.

On part 8 at the mini3d site it shows the control surfaces on a strip of epp.
The .125 carbon tube is 1.75" back from the elevator leading edge.
The length of the tube is the width of your Tee section + at least 1/8" on each side of the Tee + enough length to go at least 3/4 way to the elevator edge. In other words make tube long enough to go into rudders, across Tee, and leave enough room for the elevator not to rub.

The plans at
http://www.slofly.com/mini3d/
are public plans for anyones use.

If you would like to sell the planes or plans a small modification to the shape or dimension would be nice to see or at least post some nice looking ones and videos here!

Making it without the Tee down the middle and using a carbon rod instead gives you aileron a little closer to the fuse which helps in hovering roll control.
I have carbon tubes and T connectors that fit on a .125" rod.
It makes having a full rotating stab with a tube pretty easy to make.
Hopefully there is an easier way that does not require the plastic Tee.
Last edited by sloper steve; Sep 28, 2004 at 09:38 PM.
Old Sep 13, 2004, 05:51 PM
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It is Miles. The song.. ?
Old Sep 13, 2004, 05:57 PM
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Kit includes:
Hotwire cut 1.0# EPP foam sheets
Fuselage 24 x 5.5
Wing 24 x 5
Elevator/Rudder 24 x 4.5
Tee 24 x 4"
Aileron 24 x 3.5

MINI 3D EPP

For cd brushless motors, hover in living room, not crease on impact,
Weigh 6oz or less and do extreme acrobatics.

Foam strips and wingspan are slightly larger than 24
Tee or carbon rod is 19.5
Tee is 2 wide at nose, 3 wide 3 back from nose and 2 wide at rear.
Tai hinge is at 20.75
Elevator rod is positioned 19.75 behind nose and 1 in front of tail hinge.
From wings leading edge on fuselage it is 3 to the nose
The elevator is 5 wide, 4 chord inside, 3 chord outside, outside tip is 1 back
Elevator carbon rod goes 1 back from inside leading edge.

Need to complete frame:
Razor blade
Xacto
5 minute Epoxy

Items needed to complete:
Blue bird servos
Plywood horn mounts
Dubro micro horns
Dubro micro control rods
Phx-10 ESC
17 turn brushless cd rom motor
Duck brand strapping tape
Last edited by sloper steve; Sep 14, 2004 at 12:27 AM.
Old Sep 13, 2004, 11:42 PM
777 is offline
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Bought at a price.
Quote:
Originally Posted by sloper steve
It is Miles. The song.. ?
Thanks. Not to remain off topic, but any idea what album/CD it's from? Also sounds like Coltrane. My favorite guys!

Thanks again,
Brad
Old Sep 14, 2004, 12:39 AM
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Aha the song is Frandance.

I'm thinking I like Jazz too because I fly to relieve the stresses of a lifetime of programming.
Old Sep 14, 2004, 12:42 AM
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17 sure seems like the magic number! Guess That's what I'll go for on the new one I'm ready to commence with... Hope I can fit 17t/24g on the 20mm I'm playing with. If not, guess it'll have to be the 22.7 that's waiting

Got my kit today. Should get started by the weekend. One slipped in front of it
Old Sep 14, 2004, 02:10 AM
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Alright Gene!

Motor stats:
GB v1.1 kit
26g wire
22.7 stator
17 turns
Wye
2 cell with 8043 draws 4.4 to 4.8 amps (enough to pull out of hover)
3 cell with 7035 draws around 5.8 amps (10 to 12oz thrust)
I have custom prop adapters for the CD motors under brushless parts.
They are also prop savers. Using surgical tubing slices crossways to make a rubber band is cheap and great. Or maybe someone knows a better source of prop saver rubber bands?
Old Sep 14, 2004, 08:00 AM
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Ahhh... 26g... THAT'S EASY!

Forgot to check on some of the other accessories when I ordered, darn.

I've been using a 1/8" wheel collar, drilled and tapped through, with 2x 4-40x3/8 bolts. Don't remember who first suggested it, but sure is better than the servo arms I was trying originally. I'll have to try the surgical tubing. I've been using 2 #10 rubber bands. A #12 or 13 O-ring works well too.
Old Sep 14, 2004, 08:53 PM
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What thickness and grade of EPP are you using?


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