Thread Tools
Dec 19, 2002, 11:29 AM
Registered User

Micro An-225 with 1" edf-s


Got inspired by Hawker's work and made me this one plus micro rc car guts.
ws 26
wgh 82 grams

has 6 home made 1" fans with hottest 6mm motors(38000 rpm)
for those micro cars.
rx used for diferentional trust control. Tx is two chanel AIR tech on 49 mhz fr.

Four motors closer to the fuse are DD from the source(kokam 560) and two motors at each side are running trough rx.

All but nose section is 1/32 balsa.

Flies over seven minutes on kokam 560 single cell.
Sign up now
to remove ads between posts
Dec 19, 2002, 11:30 AM
Registered User

one more


.
Dec 19, 2002, 11:32 AM
Registered User

fan


..or ducted PROP for some folks...
Dec 19, 2002, 11:41 AM
Registered User
Next project is close to be completed

12" WS twin Mig 29 with 1 1/4 fans

shotting for AUW 25 grams.

Will post as soon as tests are completed.

Darmar
Dec 19, 2002, 11:41 AM
Registered User
jimmyray's Avatar
AMAZING!!

Got to get some video!!
Dec 19, 2002, 01:48 PM
Dude, where's My Plane?
JasonJ's Avatar
Keewwwllll,
I agree, Movies movies moveis, moveis, moooooovies!
Dec 19, 2002, 01:53 PM
Ductedfann's Avatar
That looks like fun. Do you think that it will be a good flyer for in doors?
My english some times not so good.
Last edited by Ductedfann; Dec 19, 2002 at 05:14 PM.
Dec 19, 2002, 03:46 PM
Registered User
I'll do the video as soon as wether is better. Plane does not tolerate winds of any kind since it has no movable surfaces for flight corection.

Turns are on the wide side, pretty scale. It can be flown indors but I didn't try it.

It's much less responsive than wattage lightning. Motors for turns are getting less voltage trough the rx than ones directly connected to the battery and that makes the model turn much slower and with bigger radius.

I dont have right charger for these KOKAM cells but one I use from Radio shack works fine,voltage has to be checked not to exced 4.3 volts.
Can't tell if the cell is getting worse after four flights using this charging method. Flights have still the same duration and battery is only warm to touch.

If these tiny motors are goin to survive 3+ voltage we'll see.

No problems with range. TX is made for 300 feet range but rx( from those rc cars) I use with long magnet wire as antena is good for the flights to 100+ feet which is god enough for me to see the thing and make the turn.

Darmar
Dec 19, 2002, 04:27 PM
"Experienced-Crasher"
Demon-Leather's Avatar

NICE Work!


That's REALLY Kool! .... Say,if You hooked 2 of the outbard motors to the TX, do You think it would turn better?...
Or... perhaps some kind of sub-micro actuator like the Micro-Boys use that would break power to one side or the other of all 3 fans and re-engage the fans when the control was neutraled like a set of contact points? Bet it would turn pretty sharp then! You say You have 2-channel... You could use 1 for thottle-controll (up & down) and one for the actuator (left & right) Don't those micro cars have some sort of steering actuator You could cannabilize? A couple sets of contact breaker points from an old micro switch should suffice for the motor cut-offs....Just a thought Bob
Last edited by Demon-Leather; Dec 19, 2002 at 04:35 PM.
Dec 19, 2002, 04:51 PM
Dude, where's My Plane?
JasonJ's Avatar
Ohh, how bout using car ESCs for the outboard motors, then then durring a turn the one would spin in reverse!!!!! I bet she would turn sharp then!
Dec 19, 2002, 04:56 PM
ParkScaleModels
zbrubaker's Avatar
Can you say..."unrecoverable spin"? I knew you could...LOL

Quote:
Originally posted by JasonJ
Ohh, how bout using car ESCs for the outboard motors, then then durring a turn the one would spin in reverse!!!!! I bet she would turn sharp then!
Dec 19, 2002, 06:56 PM
Ductedfann's Avatar
Before on a small P-38 I made that used the motors to steer I just added an HS-50 no case as a eleavator and this made the turning much better.
Dec 19, 2002, 07:30 PM
Registered User
Oh, I wasn't complaining about the way it turns just comparing it with model that flies on the similar setup.
the model wasn't ment to be fast and make sharp turns. That would make it fly like "rare bear" or something.
Thanks for the input anyway.

Darmar
Dec 19, 2002, 07:46 PM
crazy about airliner

material


Hey darmar

what is the material or the maker please post
Dec 19, 2002, 08:16 PM
Registered User
jermaine see the post No 1.


Thread Tools

Similar Threads
Category Thread Thread Starter Forum Replies Last Post
Discussion Sub 3" EDF with 2:1 thrust:weight? Bugman Jeff Electric Ducted Fan Jet Talk 4 Feb 20, 2007 08:02 PM
Discussion Gemini with dual brushless EDF's questtek Foamy EDFs 1 Dec 02, 2006 04:54 AM
what to do with a pair of GWS edf's ??? Beige Parkflyers 13 Dec 04, 2002 09:20 AM
45.1" Tempest with 10 CP 2400's Ron Daniels Scale Kit/Scratch Built 11 Aug 07, 2002 03:33 PM
OK to use an ESC with a brake for EDF? twinster2 Electric Ducted Fan Jet Talk 8 Feb 01, 2002 01:02 AM