Any free plans for an electric 3D plane? - RC Groups
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Dec 08, 2002, 02:19 PM
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Any free plans for an electric 3D plane?

Iīve been looking around the internet for plans for an electric 3D plane but so far Iīve found nothing. Iīm interested in pretty much anything from indoor planes to Mega 22/xx/x power so there should be some plans around that suits my needs, right?

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Dec 08, 2002, 03:14 PM
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Oh and I forgot that I have an unused sensored (with ESC) Plettenberg HP300/30/A2 laying around. That should definately be able to handle a nice 3D aerobatic plane.

If it works well I may get an SL controller for it to get rid of that big heavy Schulze MCD99-45BO/E (which is a very good ESC though!).

Dec 09, 2002, 03:10 PM
WickedFunRC's Avatar
Here is a rough plan for a bluecor 3D plane that I built. I used the Mega 22/20/2 motor geared 5.3:1 with a 16X10 prop and 10 RC2400 cells with it. I have since built a similar plane but with a box fuse but I haven't put together any plans for it.
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Dec 09, 2002, 05:37 PM
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Hello Erik,

look here for a good plan:

This is a nice 3D funflyer, which can be buildt electric easy.

More details here:

Unfortuneately the first page is italian, the second is German, but the pictures should give you enough informations.

If you need the text, try the google translator...
Dec 10, 2002, 09:58 AM
Registered User
Hi Wolfram )

good to see you!

thats how the 3dpmini looks like in the glow version

and thats wolframs e-version

Have fun

Dec 10, 2002, 10:01 AM
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Dec 11, 2002, 02:02 PM
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Pierre Audette's Avatar
How about this guy? Plans are on the S400 page linked at the bottom.
Dec 11, 2002, 04:07 PM
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Has anyone had any luck with the funfly 400 plans? I downloaded and changed the file extension to a .dxf, however neither VoloView Express or AutoCAD recognize it as a valid drawing? Thanks.

Dec 11, 2002, 08:18 PM
Registered User
Hey guys,
Sorry about the trouble on the Fun Fly 400 webpage. I believe the problem with the plans is that it is saved in Turbocad and then converted to .dxf format. Something is getting messed up when I convert it. I have a native .dxf file, but freehomepages will not allow me to upload it to the server. If you would like to try this native version, just let me know and i'll email you a copy.
There were a few guys that had sent me emails requesting a copy of the plans, but a few weeks ago I lost all of my email messages and so I didn't get to reply to them. If anyone that was waiting for a set of plans reads this, please let me know and I'll send them to you.

Dec 12, 2002, 01:47 AM
Registered User
The 3DP-Mini looks like a great little plane although it looks like a lot of weight could be saved (way overbuilt) looking at your pictures and the plan. Also, have you tried real 3D with this plane like hovering and torque rolling? I think I would add about 15mm of chord to both the rudder and the elevatorif I build it, to make it more responsive in true 3D flying.

Dec 12, 2002, 09:23 AM
Registered User
i'm still moving backwards the CG to find the best position for hoovering and torquing

but its possible to hoover already, but it falls out of the roll after 1/2-1 turn

i tried last weekend with cg more backwards, but it was to windy for torquing(and i'm not very experinced in that)

heres a video!

(you can fly it slower, but who wants to???...its fun!)

thats the threads from the people who did build up a 3dpmini

pictures from building:

wolframs electric 3dpmini

Have Fun! Its worth building up this small thing, and its something different than a mini diablotin ...!
Dec 12, 2002, 10:01 AM
Registered User
check also Bubbles design on David Theunissen site

I have build one powered with AXI 2820/10 on 10 cells and it is realy good design.
Dec 12, 2002, 10:33 AM
Registered User

Yes I know the Bubbles and hear many good things about it but itīs an aerobatic plane, not a 3D machine. The control surfaces are way to small for real 3D flying. I might build a lightened 3DP-Mini with 15mm extra chord on the rudder and elevator. I think it would work very well if I get it light enough.

The video of the 3DP-Mini wasnīt very encouraging though. Just a lot of very fast aerobatic flying which didnīt show how the model does in extreme low-speed flying with a high angle of attack.

I woul like to try it with a Mega 16/15/3 geared 3:1 or a 16/15/4 geared 2.5:1. I think I could get the weight very low with a setup like that and Hecell 1100 cells. If I get down to 600 grams it should be fully 3D capable.

Dec 12, 2002, 10:46 AM
Registered User

the 3dpmini is of course not one of these Slow-Funflyers like the E3D or Laser 3D oder Diablotin

you have to consider that its a very small(85cm wingspan)....that makes the wingloading of course higher than a bigger sized airplane

but nethertheless, you can fly this thing very slow, if you want to, but after realizing how much power you have on the glow version(hoovers with less than half throttle) dont want to go slow, you want to go fast.....

but i think, bulidng up an electric version with the same size, will give you a half times smaller wingloading and you will have the same behaviour as with a bigger e3d...laserd3d ..etc....

the size of the controls is big enough....ailerons e.g. dont need a lot of moving to do fast rolls...

i will report on hoover/torque sucesses after the weekend...but it should not be hard to do it with the right CG
Dec 12, 2002, 04:01 PM
Single-task at best...
tim hooper's Avatar
Originally posted by Erik Johansson

Yes I know the Bubbles and hear many good things about it but itīs an aerobatic plane, not a 3D machine. The control surfaces are way to small for real 3D flying.

I've just revamped my own Bubbles with a new tail and bigger ailerons. The difference is remarkable! Power, though, is still a little lacking on the original Astro15G, but this should be ousted by an LRK outrunner before too long, giving prophanging performance.

Now all it needs is a good pilot!


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