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SeaComms View Drop Down
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  Quote SeaComms Quote  Post ReplyReply Direct Link To This Post Topic: Funjet from Multiplex
    Posted: 01/Jun/2009 at 9:39am
I have seen this raised a few times, but never a difinitive answer with any existing setups.  I am now looking at fiting out a funjet to replace my failing Tigershark Delta.  It was doing around the 170km/hr mark so I want something quick to replace it.  I noticed on an Aussie site they are selling combo packs for the funjet, and the motor for the basic verson is the Turnigy 2836 3200kv fan motor motor, at around 400 watts on 3S and 600 watts on 4S....
http://www.hobbycity.com/hobbycity/store/uh_viewitem.asp?idproduct=8138

If you want real speed then they are suggesting the HET 2W20 Typhooon motor coupled with an 80 amp ESC on 4S pulling upto 900 watts... (and around 220km/hr..)

I noticed there is a new Turnigy inrunner that would suit the bill too, rated as a good alternative to the 2W20:
http://www.hobbycity.com/hobbycity/store/uh_viewItem.asp?idProduct=9083

I think I will go with the first one, as it looks like a good start.

Anyone with a funjet care to post their setups?




Wingspan 785mm





Edited by SeaComms - 01/Jun/2009 at 4:42pm
Cheers, Dave.
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  Quote kizza42 Quote  Post ReplyReply Direct Link To This Post Posted: 01/Jun/2009 at 11:31am
Sorry for the quick hijack mate but where did you find a Funjet in Australia to begin with? I want one to replace my aging Stryker
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  Quote SeaComms Quote  Post ReplyReply Direct Link To This Post Posted: 01/Jun/2009 at 4:40pm
The local hobby shop on the Sunshine Coast has them (not sure if any left at the moment) and I also jumped into google and did a quick search and found 4 or 5 pretty quickly.  The prices all seem to be the same, so buying it locally will be cheaper with no freight. Average price is $99.  Would love it if HK started stocking them :)


Edited by SeaComms - 01/Jun/2009 at 4:41pm
Cheers, Dave.
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  Quote kizza42 Quote  Post ReplyReply Direct Link To This Post Posted: 01/Jun/2009 at 11:26pm
Yeah a Stryker or Funjet equivalent would be an excellent addition to the range!

I'm gonna look for a Funjet then I'll join in on this thread in earnest!
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  Quote Blue Angel Quote  Post ReplyReply Direct Link To This Post Posted: 02/Jun/2009 at 4:39pm
maybe you will use an outrunner: Turnigy 2836 3800Kv

here is a video of my Projeti:
http://www.rcmovie.de/video/58757f9b45c209ce3b82/Projeti-4s-Lipo-3800kv-Motor

Projeti from Freescale
Motor: Turnigy 2836 3800kv
LS: Cermark TGS Sport E Prop 4,1x4,1
Lipo: Rhino 4s1p 2150mAh 30C
ESC: Turnigy Plush 60A

Measure on ground:
Voltage: 14,4V
Current: 69A
RPM: 44000rpm
Input: 994W
Output: 747W
Efficiency: ~75%
static thrust: 1150g


really fast, about 210km/h in horizontal flight
about 240-250km/h with dropping from 100-200 meter.

Edited by Blue Angel - 05/Jun/2009 at 4:28pm
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  Quote u4eake Quote  Post ReplyReply Direct Link To This Post Posted: 02/Jun/2009 at 4:40pm
My funjet had a

Feigao 2847 motor 2467 kv (when hobbycity still sold those)
Turnigy Plush 60A esc
Zippy-R 2500 4S lipo
APC 5.5x4.5 prop

Topspeed about 185 km/h (measured with eagletree and pitot tube speed sensor)

http://www.youtube.com/watch?v=bBF6I0Y0ChE

a Clubmember had
Mega 16-25-3 1700kv
6x6 prop
Polyquest 3200Mah 5S lipo
Turnigy Plush 80A esc

His funjet was slightly faster then mine, estimated at 200 km/h

http://www.youtube.com/watch?v=5377Oq-FELI

Edited by u4eake - 02/Jun/2009 at 4:41pm
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  Quote SeaComms Quote  Post ReplyReply Direct Link To This Post Posted: 03/Jun/2009 at 6:54pm
Well I have bit the bullet and ordered one from the LHS.  $95 and the next delivery is due first thing next week (the day after my birthday!!).

The best motor recommendation I can find so far is the HET 2W-20.  The specs on this are pretty close to the new Turnigy inrunner, now tossing up which way to go.  It will be running on 3S (as I have heaps of them) so I guess I will have a think about it for a few days.
Cheers, Dave.
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  Quote Herkalees Quote  Post ReplyReply Direct Link To This Post Posted: 05/Jun/2009 at 6:41pm
I have a little MicroDan Speed 2805 outrunner on mine. I dont know the speed but on 3S with a 5*5 prop it leaves nearly all my EDF jets for deadexcept my F-16 with a Typhoon 3W on 4S. Amazing power for such a little motor.
Would love to see how you go with the Turnigy.
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  Quote Dragevo Quote  Post ReplyReply Direct Link To This Post Posted: 07/Jun/2009 at 1:19pm
Originally posted by SeaComms

  I noticed on an Aussie site they are selling combo packs for the funjet, and the motor for the basic verson is the Turnigy 2836 3200kv fan motor motor, at around 400 watts on 3S and 600 watts on 4S....
http://www.hobbycity.com/hobbycity/store/uh_viewitem.asp?idproduct=8138

 
 
I just tried this motor in my Sniper EP. Amazing speed, but it fried after 5 mins of flying on 4s and 4,75x4,75 prop. Only 5 C degrees here, and it gets a lot of cooling too. The 70 A SS ESC is still intact, though.


Edited by Dragevo - 07/Jun/2009 at 3:28pm
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  Quote SeaComms Quote  Post ReplyReply Direct Link To This Post Posted: 07/Jun/2009 at 6:06pm
Yeah, a couple of quick calculations shows that combination could be drawing over 1000 watts at over 75 amps.

This motor is not really designed for 4S on a prop I think (it is stated as an EDF motor) - this is a good example of where a wattmeter is your best friend!!

Edit:  I had to up the motor max current to 100 amps and delete the ESC to enable the program to give me some info!




Edited by SeaComms - 07/Jun/2009 at 7:12pm
Cheers, Dave.
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