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Old Apr 10, 2010, 10:22 PM
The frigin Catalina wine mixer
flightmare's Avatar
USA, CA, Buena Park
Joined Oct 2006
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Hey Red,
150.00 budget may get you up to"fast",but unlimited vertical in a 2m plane will not be cheap..Alot of guys went with outrunners in the Siren.They are affordable ,and can swing a pretty good size prop.
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Old Apr 11, 2010, 07:27 AM
RIP Ric
Andy W's Avatar
Marietta, GA
Joined Jun 1999
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There are at least a dozen different power systems discussed in this thread.
..a
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Old Apr 12, 2010, 11:03 AM
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United States, KY, Prospect
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Originally Posted by Andy W View Post
There are at least a dozen different power systems discussed in this thread.
..a
I'm still in the learning phase of brushless motors, ecs's and LIPO batteries. I was hoping for a few links for stuff that I could just buy. Guess I don't need the best set up. But I'd like something fast. I don't plan on competing with this plane. Just flying it at teh park and such. Now I'm concerned that the DX-7 radio I just bought may not even work with the siren. (sucks) But I do have a couple of other 72 Mhz transmitters and such. I just hope I have enough channels to utalize things like flaps and such.

So if you are shopping for your own siren and want to post links to affordable ways to power this plane it would be appreciated.

I found my 4s batttery doe snot fit into the fuse. Can I cut / trim the opening of the fuse to get the battery in there or would that be a mistake?

I guess the best thing for me to do is to go to the local sailing club in Louisville and ask those guys for direction.
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Old Apr 12, 2010, 11:26 AM
You down with EPP?
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Houston, Tx
Joined May 2009
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Quote:
Originally Posted by Red5 View Post
I'm still in the learning phase of brushless motors, ecs's and LIPO batteries. I was hoping for a few links for stuff that I could just buy. Guess I don't need the best set up. But I'd like something fast. I don't plan on competing with this plane. Just flying it at teh park and such. Now I'm concerned that the DX-7 radio I just bought may not even work with the siren. (sucks) But I do have a couple of other 72 Mhz transmitters and such. I just hope I have enough channels to utalize things like flaps and such.

So if you are shopping for your own siren and want to post links to affordable ways to power this plane it would be appreciated.

I found my 4s batttery doe snot fit into the fuse. Can I cut / trim the opening of the fuse to get the battery in there or would that be a mistake?

I guess the best thing for me to do is to go to the local sailing club in Louisville and ask those guys for direction.

Here is my setup that I am about to maiden, it has been used on this thread by others.

Turnigy 480L 1370kv

http://www.hobbycity.com/hobbyking/s...idProduct=9384

Turnigy 60 amp ESC (same site)

3S 2200mah (same site)

13x7 Graupner Folding prop. (google it)
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Old Apr 12, 2010, 12:01 PM
The Kid
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Detroit, MI
Joined Dec 2007
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Motor:
http://hobbycity.com/hobbyking/store...idProduct=7393

Batteries:
2x http://hobbycity.com/hobbyking/store...idProduct=8932 wired in parellel (3s-4400 20C)

ESC:
http://hobbycity.com/hobbyking/store...idProduct=3727

Spinner:
http://hobbycity.com/hobbyking/store...idProduct=5564

Prop:
http://www.espritmodel.com/index.asp...OD&ProdID=3539
Aeronaut 12.5x9

This setup should give you good consistancy. You're not pushing anything, but you will still get good vertical performance (over 1:1 thrust to weigth I would think) as well as straight line speed. You'll have to watch motor temps though, as that will be the weak link if there is one.

Total Cost:
$104 plus shipping. Well within your desired price range!
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Old Apr 12, 2010, 01:02 PM
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United States, KY, Prospect
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Quote:
Originally Posted by Thekid3418 View Post
Motor:
http://hobbycity.com/hobbyking/store...idProduct=7393

Batteries:
2x http://hobbycity.com/hobbyking/store...idProduct=8932 wired in parellel (3s-4400 20C)

ESC:
http://hobbycity.com/hobbyking/store...idProduct=3727

Spinner:
http://hobbycity.com/hobbyking/store...idProduct=5564

Prop:
http://www.espritmodel.com/index.asp...OD&ProdID=3539
Aeronaut 12.5x9

This setup should give you good consistancy. You're not pushing anything, but you will still get good vertical performance (over 1:1 thrust to weigth I would think) as well as straight line speed. You'll have to watch motor temps though, as that will be the weak link if there is one.

Total Cost:
$104 plus shipping. Well within your desired price range!


Thanks guys... Buying now.


---- Motor and spinner are onback order. What would you suggest if I wanted a faster motor? Any other places for the spinner?
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Old Apr 12, 2010, 01:16 PM
The Kid
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Detroit, MI
Joined Dec 2007
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You can get a similar spinner (40/5/8) from espritmodel.com as well. But it will be 3x the cost! It will be of the same or higher quality though.

For motor, perhaps look into the 35-48 1100kv Turnigy motor. If going with this motor, you will have to go with a smaller prop. So make sure you let us know if you go with it.

If looking for a higher quality, yet affordable motor, i would look into the hyperion or scorpion outrunners. Something in the 175g (bigger is better!) or heavier range, with a kv around 850-1150. This will allow you to maintain spinning a fairly large prop while still being efficient.

Kid
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Old Apr 12, 2010, 01:37 PM
You down with EPP?
johnnyrocco123's Avatar
Houston, Tx
Joined May 2009
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Quote:
Originally Posted by Thekid3418 View Post
You can get a similar spinner (40/5/8) from espritmodel.com as well. But it will be 3x the cost! It will be of the same or higher quality though.

For motor, perhaps look into the 35-48 1100kv Turnigy motor. If going with this motor, you will have to go with a smaller prop. So make sure you let us know if you go with it.

If looking for a higher quality, yet affordable motor, i would look into the hyperion or scorpion outrunners. Something in the 175g (bigger is better!) or heavier range, with a kv around 850-1150. This will allow you to maintain spinning a fairly large prop while still being efficient.

Kid
That Turnigy 3548 will fit in there without rubbing the motor wires???

I would figure you would have to route the wires outside the fuse and back in.
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Old Apr 13, 2010, 09:06 AM
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Originally Posted by johnnyrocco123 View Post
That Turnigy 3548 will fit in there without rubbing the motor wires???

I would figure you would have to route the wires outside the fuse and back in.
?????
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Old Apr 13, 2010, 09:09 AM
You down with EPP?
johnnyrocco123's Avatar
Houston, Tx
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Originally Posted by Red5 View Post
?????
I guess he would have included that info if needed.
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Old Apr 13, 2010, 09:29 AM
The Kid
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Detroit, MI
Joined Dec 2007
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I don't know if you would have to, I went with an inrunner

I would guess that you'll have to take the wires outside the fuse and then bring them back in slightly behind the motor. Or, you could glue them to the inside of the fuse, which might give you enough space. Either way, it is manageable to use the big outrunner, and much more efficient then most of the other cheap options!
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Old Apr 13, 2010, 09:37 AM
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Originally Posted by Thekid3418 View Post
I don't know if you would have to, I went with an inrunner

I would guess that you'll have to take the wires outside the fuse and then bring them back in slightly behind the motor. Or, you could glue them to the inside of the fuse, which might give you enough space. Either way, it is manageable to use the big outrunner, and much more efficient then most of the other cheap options!
Which one would you suggest?
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Old Apr 13, 2010, 10:15 AM
You down with EPP?
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Houston, Tx
Joined May 2009
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Originally Posted by Red5 View Post
Which one would you suggest?
I am using the Turnigy 480L 1370kv from HC. Under $20.

With a 13x7 on 3S I am pulling 53 amps.
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Old Apr 13, 2010, 12:14 PM
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Originally Posted by johnnyrocco123 View Post
I am using the Turnigy 480L 1370kv from HC. Under $20.

With a 13x7 on 3S I am pulling 53 amps.
Do you have a link to this motor? Does it offer enough power to make things interesting?
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Old Apr 13, 2010, 12:50 PM
RIP Ric
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Marietta, GA
Joined Jun 1999
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http://lmgtfy.com/?q=Turnigy+480L
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