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Old Feb 19, 2013, 06:44 AM
Wonderfully Wicked
The Don's Avatar
Willoughby, Ohio
Joined Jan 2002
13,138 Posts
A 30 amp will be OK for the 5400.
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Old Feb 19, 2013, 07:37 AM
Registered User
United States, AZ, Chandler
Joined Oct 2011
22 Posts
Quote:
Originally Posted by harrye View Post
Hi Don,

I'm getting ready to order your 50mm / 5400KV combo to install in my JP Screamer kit.

I'll be running 3s 1800 batteries similar to what you showed in your build.

Do you recommend the 40amp ESC or will the 30 amp hold up if I stick to 3s?

TIA for any thoughts.

:harry
Curious why 5400 and not 6000?
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Old Feb 19, 2013, 11:51 AM
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United States, CA, Pleasanton
Joined Apr 2002
488 Posts
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Originally Posted by weeeza View Post
Curious why 5400 and not 6000?
Old eyes and slow thumbs!

Plus I'm just no speed demon...I'd rather trade a little more flight time on a 3s set-up rather than squeeze out some additional speed.

:harry
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Old Feb 19, 2013, 12:06 PM
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United States, AZ, Chandler
Joined Oct 2011
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Originally Posted by harrye View Post
Old eyes and slow thumbs!

Plus I'm just no speed demon...I'd rather trade a little more flight time on a 3s set-up rather than squeeze out some additional speed.

:harry
I see, thanks for the response
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Old Feb 19, 2013, 01:01 PM
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gooniac33's Avatar
Sunnyvale
Joined Feb 2009
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The screamer is a great flying little jet!! It does everything good! Fast and slow!! I am gonna get one too.. very soon.
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Old Mar 03, 2013, 08:48 AM
EDF Addicted
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Ocala,Florida
Joined Sep 2005
5,396 Posts
I have the Katana with a custom fan and absolutely love it, Don, have you flown both? I'm wondering if the Screamer is that much better, I've really been thinking about one
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Old Mar 03, 2013, 11:54 AM
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Joe 1320's Avatar
United States, FL, Sebring
Joined Feb 2006
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Originally Posted by MustangAce17 View Post
I have the Katana with a custom fan and absolutely love it, Don, have you flown both? I'm wondering if the Screamer is that much better, I've really been thinking about one
The Screamer is noticeably faster with an equal power system. It's a must have.
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Old Mar 03, 2013, 11:58 AM
EDF Addicted
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Ocala,Florida
Joined Sep 2005
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Thanks Joe, it will be my next 50mm kit
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Old May 18, 2013, 06:42 AM
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warbird_one's Avatar
Germany, NRW, Heinsberg
Joined Dec 2011
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Hi guys,

I'm building my Screamer with a HET-240-15 + Microfan combo. My lipos have not arrived yet but I know the weight. It's about 138g (1600mAh 3S). What do you think. Do I have to move the fan back or can I use the recommended position (under the magnetic cover) to get the correct CG?

Regards,
Michael
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Old May 18, 2013, 06:15 PM
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Sunnyvale
Joined Feb 2009
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Quote:
Originally Posted by MustangAce17 View Post
I have the Katana with a custom fan and absolutely love it, Don, have you flown both? I'm wondering if the Screamer is that much better, I've really been thinking about one
The katana flies great! Very stable and quick. But the Screamer is even better! With the same set up it will be faster and even more stable. I had an AMX with the AEO 55mm fan and 4750kv motor. It was going about 90mph straight and level With the same set up in the Screamer I am getting 105mph...
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Old May 18, 2013, 07:07 PM
chuck
santa barbara, CA
Joined May 2009
4,180 Posts
nothing w/ a fuse and a tail group will ever compare to a good flying wing , lift to drag wise. now looks are another story

chuck.
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Old May 18, 2013, 07:10 PM
chuck
santa barbara, CA
Joined May 2009
4,180 Posts
Quote:
Originally Posted by warbird_one View Post
Hi guys,

I'm building my Screamer with a HET-240-15 + Microfan combo. My lipos have not arrived yet but I know the weight. It's about 138g (1600mAh 3S). What do you think. Do I have to move the fan back or can I use the recommended position (under the magnetic cover) to get the correct CG?

Regards,
Michael
fwiw, mine was good w/ a 1600/3's and a wicked wemo . battery was all the way back , but doable . your fan / motor should be close in weight, i think.

chuck.
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Old Jun 06, 2013, 08:26 PM
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kushal_22's Avatar
Kamloops
Joined Dec 2001
6,844 Posts
Quote:
Originally Posted by The Don View Post
I would not suggest a thrust tube on the stock power as the stock power on 3S really needs all the thrust available to fly. Thrust tubes are best used on models with excess power so the thrust reduction is not really noticed. The stock power is ~130 watts the systems I typically used are 380 watts on 3S so with a reduced nozzle there is still way more thrust than stock power with no nozzle. Also the thrust tube template I have if for the Wemotec fan unit. Different fans may need different outlet diameters based on the fan geometry.
I am getting close to this 367 at the start and 31AMPS using 3cell Nano 25-50C

Still have to Maiden it
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Old Jun 08, 2013, 08:46 AM
Wonderfully Wicked
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Willoughby, Ohio
Joined Jan 2002
13,138 Posts
You will love the Screamer with the 6000 combo. Did you install the thrust tube as well?
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Old Jun 08, 2013, 12:43 PM
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kushal_22's Avatar
Kamloops
Joined Dec 2001
6,844 Posts
Not yet I have not even downloaded the file. I guess i should. I just bought two 1800 TP packs one a 4 cell and a 3 cell...I hope these live up to all the Hype

Mal
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