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Old May 24, 2012, 05:22 PM
Cant fly enough
Greg Beshouri's Avatar
USA, CA, Berkeley
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Me-163 formation flying .... Spectacular !!

.
Wow!
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Old May 26, 2012, 02:06 PM
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ZRX212's Avatar
United States, FL, Christmas
Joined May 2010
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... continued form post #136.

Did some more testing yesterday, seems that my Sky lipo 5s/40c/5000mah
is getting better/stronger, 10 cycles now, tested with What's Up meter and
got 93 amps@1650 watts (batt just off charger) , motor limit is 140amps
and 1800 watts, so in still good!!, ran at 1/2 power for 1 minute, tested again
86A/1470W, so letting the battery rest for a while of the charger will be good
for 100 amp/esc, that 93 amp pull was scary while holding plane.

The thing I noticed after the run was that my esc was getting fairly hot,
my battery and motor where barely warm!!, of course this is a cheap esc,
I know it will be better in flight, not wanting to take any risk, I decided on
installing a heatshink, actually installed 2(Radio Shack # 276-1368) with
a thermal adhesive pad(R/S), tested today, much better, even after 4 min
at 1/2 power it was noticeable cooler.

BTW the thermal pad won't hold the heatshink on when hot, you must
glue around the edge, I zip tied mine in place.

Planning to do a lot of flying on th ME tomm, Later, Allen

PIc of my setup, Yes there's a rudder gyro in there, only used for takeoff's
in gain mode, off in flight, works great!!.
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Old May 27, 2012, 12:47 PM
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Irvine, Calif USA
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Yes heatsinks work miracles ...

But mine tracks straight as an arrow on takeoff, it could be because I have a smaller prop (11x10).
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Old May 27, 2012, 08:47 PM
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United States, FL, Christmas
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Quote:
Originally Posted by Herb View Post
Yes heatsinks work miracles ...

But mine tracks straight as an arrow on takeoff, it could be because I have a smaller prop (11x10).
Flew Me 3 times no issues with esc, lot's of power, I'm flying mine on
12x8, I estimate top speed aprox. 120 mph, the reason I went with the
gyro is that I'm using servo saver springs on rudder pushrod, this makes
steering a little sluggish to react to input, I also fly off a grass field, wich is
bumpy in some areas, the springs keep the servo from stripping/breaking
gears on the belly landings, as sometimes the plane slides sideways a
little, making the tail wheel vulnerable to side loads, I use a metal gear
high speed/torque digital servo, but still there is a lot abuse on it on the
landings,IMO.

With the gyro, I taxi out, line up with center of runway and stop, then I
arm the gyro in gain mode, hold up full up elevator, apply power slowly
and the plane goes straight untill it breaks ground with little or no rudder
input, the gyro is switched off and all rate switches go to low, landings
are on high rate with gyro off.

I might try a 11x10 later if I feel the need for more speed

Allen
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Old May 29, 2012, 06:15 PM
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United States, FL, Christmas
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Well it's all RED!!

Picked up fuselage from painter, I did a lot of the prep work, sanded most
of the original paint and primed grey, he did the final sanding and fixed any
pinholes, etc, followed by light primer coat and single stage urethane red,
I had color matched to my Ultracote covered parts, vert good match IMO!!.

I weighted the empty airframe (wing joiner, canopy, cowling), the battery
tray and all gear monting provisions were done prior to paint. There is no
electronics, motor, servos, pushrods, etc. I think I can make my target
weight of 8 lbs(128 oz).


Scale showed 4.25 lbs(68 oz), that leaves 3.75 lbs(60 oz) for gear
I think I'm good. I'll post details on final setup later.

BTW, very RED!!!
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Old May 29, 2012, 08:20 PM
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Killer !! Very nice

Graphics by Callie ?
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Old May 30, 2012, 03:27 AM
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United States, FL, Christmas
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Quote:
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Killer !! Very nice

Graphics by Callie ?
I'll be doing my own graphics, we have the equipment at work!!
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Old May 30, 2012, 06:57 PM
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Joined May 2002
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Very cool vid Herb!
Bring something out saturday that my F-4 can chase (now that I got it flying semi-decently)
Your Komets too fast!
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Old May 30, 2012, 07:01 PM
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Here ! Here ! Komets Rule !!
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Old May 31, 2012, 07:40 AM
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Davison, MI
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Hi ZRX212,


Very cool red scheme !! Looks really great !


Joe
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Old Jun 01, 2012, 03:04 PM
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Irvine, Calif USA
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Originally Posted by bmiller View Post
... Bring something out saturday that my F-4 can chase ...
Ok Bruce I'll bring something really slow (if I can find it in my hanger ) ...


Allen, eagerly waiting for more pictures with decals
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Old Jun 01, 2012, 05:37 PM
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United States, FL, Christmas
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Quote:
Originally Posted by Joespeeder View Post
Hi ZRX212,


Very cool red scheme !! Looks really great !


Joe
Thanks Joe, BTW is Ultracote True Red on wings and Rudder.

Allen, eagerly waiting for more pictures with decals [/QUOTE]

Will try to cut decals tomm, slow otherwise, got side windows
and rudder hinges installed, WKYP, Allen
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Old Jun 04, 2012, 07:03 PM
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United States, FL, Christmas
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Red komet

Well the graphics cutter at work has software problems ,
so a few email's to callie and they are on the way

The plane is almost ready, checked weight right at 7 lbs/14 oz ,RTF,
I don't think graphics will weigh much, so I'll be good. My other komet
is at 7.5 lbs on 5s/93 amps/1650 watts, the red one will be 8 lbs on
6s/65 amps/1650 watts, should get similar speed and flght times.

WKYP, Allen
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Old Jun 04, 2012, 09:10 PM
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Allen,
Can't wait to see the graphics on the red one, should be great !

Don
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Old Jun 07, 2012, 11:27 AM
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Joined Feb 1999
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Spaete (pilot or Red Me-163) with Galland.

http://www.juniorgeneral.org/JClick.php?UID=2801

Note the wing twist (washout).

.
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