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Old Jun 18, 2010, 12:18 PM
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rcar4's Avatar
Champaign, IL
Joined Apr 2007
124 Posts
lghts

Don't mean to hijack this thread, I follow this thread but never post. This is a super light slow flyer for night flying. The lights will not flash when she is flying, unless I want them too :-)
Ron
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Old Jun 18, 2010, 01:17 PM
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Grand Rapids, MI
Joined Jun 2005
1,473 Posts
Nice work on the lights! Can you link to what ones you used?
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Old Jun 18, 2010, 01:40 PM
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rcar4's Avatar
Champaign, IL
Joined Apr 2007
124 Posts
Quote:
Originally Posted by Hornetnz View Post
Nice work on the lights! Can you link to what ones you used?
These are the white ones, but will help you find the rest of the colors.


http://www.hobbyking.com/hobbyking/s...ite_%281mtr%29
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Old Jun 19, 2010, 12:55 PM
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cdebaca's Avatar
USA
Joined Oct 2005
1,004 Posts
Hey rcar4 do they need to blink like that? Could they just stay on? How many of those strips did you use?
Mount your camera on your hat and get us some cool night flying.
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Old Jun 19, 2010, 05:52 PM
Sparky "Electrics Rule"
bobf's Avatar
Mission, BC Canada
Joined Jul 2002
3,761 Posts
A friend has this motor Turnigy 480S BL Inrunner Motor w/ Impeller 3200kv
http://www.hobbycity.com/hobbycity/s...idproduct=9083
Stays real cool and is very fast. I think it is the fastest at our field. He also used a customrc parts motor mount. I don't know the amp draw.
Anyone else tried this motor.
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Old Jun 19, 2010, 07:06 PM
You down with EPP?
johnnyrocco123's Avatar
Houston, Tx
Joined May 2009
6,796 Posts
Radar gun with no wind

It was dead calm this morning. It was a perfect chance to check the true speed of my Stryker. What I got was what I expected.

ARC 28-47-1.5
APC 6x4 sport
Turnigy 4S 3300mah 30C

5 passes, fastest 108mph.

I'm thinking you need 1500 watts and a bigger prop to hit 130mph.

I am getting some significant flutter from my elevons. This might have slowed it down a bit. But my guess is 115mph tops on 4S.

BTW, this is the fastest Stryker out there. It is among Turnigy 2836, stock motor, E-Flite six series, Mega 16-??
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Old Jun 19, 2010, 07:51 PM
$#|+
mkmkmk13's Avatar
United States, CA, Orange
Joined May 2007
1,605 Posts
i got a pnp stryker 2 days ago and it came with an e-flight 30 amp ESC that handles 2-4S
i know the motor can handle 4S but does anyone know how many amps it pulls on what props?
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Old Jun 19, 2010, 09:26 PM
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rcar4's Avatar
Champaign, IL
Joined Apr 2007
124 Posts
Quote:
Originally Posted by cdebaca View Post
Hey rcar4 do they need to blink like that? Could they just stay on? How many of those strips did you use?
Mount your camera on your hat and get us some cool night flying.
They were only blinking because my transmitter was off, I used 4 strips.

edit
Went out for my first night flight, my wife was good enough to shoot some video. The video is from a photo camera with a video option, not the best but it is all i have.
night flight.MPG (1 min 35 sec)
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Last edited by rcar4; Jun 19, 2010 at 10:22 PM.
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Old Jun 19, 2010, 09:35 PM
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United States, CA, SF
Joined Mar 2008
3,842 Posts
mkmkmk13,

Read the first 8-9 pages.

Make sure you run a full size MPI heat sink....that means do not use clam shell heat sink.

Probably better not pass 37A or so....read for yourself and decide.

http://www.rcgroups.com/forums/showthread.php?t=880705


***Donít forget about running lower AMPs in heat of summer.



Good luck,

Gryphon
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Old Jun 19, 2010, 10:33 PM
$#|+
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United States, CA, Orange
Joined May 2007
1,605 Posts
thx
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Old Jun 19, 2010, 11:34 PM
4000 posts?!
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United States, TX, Fort Worth
Joined Jan 2005
4,047 Posts
F-27subC?

Hey guys, thought you might get a little kick out of this, my 16" micro F-27C. In true F-27C form, it is indeed brushless and running on 3S. 2S would work pleanty well too, but where's the fun in that? 16" span, just under 3oz AUW, all balsa. Could be much much lighter, but this one was meant to go fast, so I wasnt too worried about the weight.

AR6300 rx, micro linear servos, Turnigy plush 6A ESC, Turnigy 16-06 3000kv 9gram motor, and a TP 250mah 20C 3S lipo pack. The motor has some terrible bearings, so at full throttle its losing some power due to vibration, have to fix that soon. Otherwise, it launches and flys very much like its bigger brother, fast rolls, verticle power, flys inverted with ease. I havent flown it in an area where I feel comfortable slowing it down yet, its got a higher wingloading, but I think it'll be alright.

Just like my first flights with the orginal F-27 (which was my very first RC plane) 6 years ago, this one left me with wobbly knees, unsteady hands, and a big grin, just like a good plane should...hope ParkZone does one!

First video is the maiden, which started off very much like my first flight with the big Stryker, except the motor, RX, battery and large quantities of foam didnt land 5 feet away after impact 2nd flight is from today with it trimmed in...you can hear the motor, sounds just awful.

micro Stryker F-27 3S - maiden (1 min 39 sec)

http://www.youtube.com/watch?v=WF-uSMjoepQ

Nick
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Old Jun 20, 2010, 12:02 AM
Victim of C.D.O.
murdnunoc's Avatar
United States, TX, Lubbock
Joined Oct 2007
4,081 Posts
Micro Builder,

ABSOFREAKINLUTELY SICK!!!

Your micro Stryker is the coolest Stryker -- fast, slow, light, heavy, or otherwise -- I've seen anywhere!

What did you do for the wing airfoil? Are the wings solid wood, or did you skin some foam?

Brilliant thinking and building!
Keep us posted, as that plane definitely belongs in this thread!
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Old Jun 20, 2010, 09:13 AM
Founder of the EDF20 club!
all4smallrc's Avatar
Minnesota
Joined Apr 2008
3,261 Posts
Awesome MB! Nice job! Those bearings sure are noisy.
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Old Jun 20, 2010, 11:40 AM
Voltage is LiFe
novastar's Avatar
US East Coast
Joined Aug 2007
638 Posts
Very nice Micro_Builder.
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Old Jun 20, 2010, 11:47 AM
Voltage is LiFe
novastar's Avatar
US East Coast
Joined Aug 2007
638 Posts
7x5E, 7x6, 7x7 or 7x9?

Just for giggles, I temporarily removed the Turnigy 2836-3700 K/V outrunner on my Stryker and put in a Turnigy 2836-2350 (~2,700 K/V) motor and an APC completely stock 7x5E prop. Charged up my 5S 2,300 mAh LiFePo4 pack and took it for a spin. I wanted to test (primarily) sustained climbing performance and lastly, horizontal acceleration and top end straight and level speed. I was not disappointed. The plane climbed like a banshee. Easily broke 1,000 feet above the field in several climbs. My question is (for the speed folks), which APC prop below will give more climbing power and level speed without too many more Amps than what the 7x5E prop is pulling?

[APC 7" props]

1.) APC 7x6 Sport Propeller
2.) APC 7x7 Sport Propeller
3.) APC 7x9 Sport Propeller
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