RE: Precision Aerobatics Katana MD Build and Fly  
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All Forums >> Electric Aircraft Universe >> 3D Electric Flying! >> RE: Precision Aerobatics Katana MD Build and Fly
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RE: Precision Aerobatics Katana MD Build and Fly - 7/9/2007 4:27:21 AM   
vasmikey


 

Posts: 19
Joined: 5/6/2007
From: Bloomington, MN, USA
Status: offline 		Funny story today whilst I was doing the final assembly of my Katana MD; I put it on the balance after installing the battery and my wife drives up and takes a look. She says, "honey, notice anything interesting about those wings?" "What?" I cried. She continues, "what are those aileron servos doing on the TOP of your wings?" "You never put them there!" She then called me a huckleberry and went inside. sigh! I looked more closely and guess what? I installed the wings backwards/upside down. The strange thing is that the wing is perfectly symetrical and that it fit backwards and the guide pins and nylon screw fit perfectly too! duh! Anyway, reversed them in about 10 minutes and I was doing some test taxi stuff in my front yard. I'm sticking to the excuse that I was tired.

(in reply to itai)
       Post #: 151

RE: Precision Aerobatics Katana MD Build and Fly - 7/9/2007 4:44:42 AM   
aflipz


 

Posts: 935
Joined: 7/2/2005
From: Montreal, QC, CANADA
Status: offline 		Should have said "It's meant to be like that honey, shows what you know" then turnaround raising your nose...


A guy did that on his seagull extra (inverted the wings) because he was making it a belly lander and didn't want to break servo gears with arms, rods and horns grabbing in the grass. I top
mounted the servos on top on my modified ultrafly extra300s also for that reason.

(in reply to vasmikey)
       Post #: 152

RE: Precision Aerobatics Katana MD Build and Fly - 7/9/2007 5:24:09 PM   
vasmikey


 

Posts: 19
Joined: 5/6/2007
From: Bloomington, MN, USA
Status: offline 		Does anyone know what a high pitch sqeeky sound coming from my outrunner means? It squeeks when I first start moving the throttle stick upward then ceases as the RPM increases. Any thoughts gentlemen?

(in reply to aflipz)
       Post #: 153

RE: Precision Aerobatics Katana MD Build and Fly - 7/10/2007 2:55:22 PM   
lucky9910


 

Posts: 111
Joined: 5/30/2005
From: Castaic, CA, USA
Status: offline 		Guys what is your fight time with TP 2100 & 40amp esc? Trying to decide which plane to purchase with my current set up.

(in reply to vasmikey)
       Post #: 154

RE: Precision Aerobatics Katana MD Build and Fly - 7/10/2007 8:43:40 PM   
aflipz


 

Posts: 935
Joined: 7/2/2005
From: Montreal, QC, CANADA
Status: offline 		flight time; 10-12 minutes of mixed flying easy.


vasmikey; the "squeek" you hear is from the electric pulses the esc sends to your motor to start it up, i think the sound is caused by some mis-timed or counter productive pulses that are inevitable starting from a dead stop or from very low rpm's. These can be pretty noisy, they use the same type of pulsing to emit programming tones out of the motor (note your esc has no beeper or speaker on board, it uses your motor as a speaker!) Cool eh!

anyway it is nothing to worry about.

(in reply to lucky9910)
       Post #: 155

RE: Precision Aerobatics Katana MD Build and Fly - 7/11/2007 3:57:11 AM   
aerofundan


 

Posts: 482
Joined: 3/7/2005
From: PTY, , PANAMA
Status: offline
quote:

ORIGINAL: lucky9910

Guys what is your fight time with TP 2100 & 40amp esc? Trying to decide which plane to purchase with my current set up.


8-10 minutes safe. some people say over 10 minutes, depends on how hard you fly it.

_____________________________

Daniel Dominguez
http://www.aerofun3d.com/videos/

(in reply to lucky9910)
       Post #: 156

RE: Precision Aerobatics Katana MD Build and Fly - 7/12/2007 8:01:03 PM   
itai



Posts: 130
Joined: 12/5/2004
From: , ISRAEL
Status: offline 		Almost finished,
My weight is 1007gr 35.5oz
Where did you guys take out the antenna from? Pictures please


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(in reply to aerofundan)
       Post #: 157

RE: Precision Aerobatics Katana MD Build and Fly - 7/17/2007 1:37:04 AM   
TNTtrucks


 

Posts: 20
Joined: 3/31/2006
From: Nashvegas, TN, USA
Status: offline 		Does anyone have, or have a link to a Katana MD for G3 or 3.5? I found the mini on the Swap Pages but wanted to try the MD. Thanks.

(in reply to itai)
       Post #: 158

RE: Precision Aerobatics Katana MD Build and Fly - 7/17/2007 2:27:07 AM   
Greg Cothern



Posts: 594
Joined: 1/7/2002
From: Seagoville, TX, USA
Status: offline 		My goodies from PA arrived this evening, motor is installed, working on the servo's (making extensions for the ailerons and elevator). Hope to have quite a bit done tomorrow evening.

_____________________________

Some of the products I like
Smart-Fly Hangar 9 Wild Hare MVVS & DA Engine''s Futaba Radio Hitec Digital Servo''s

(in reply to TNTtrucks)
       Post #: 159

RE: Precision Aerobatics Katana MD Build and Fly - 7/17/2007 5:49:43 AM   
aerofundan


 

Posts: 482
Joined: 3/7/2005
From: PTY, , PANAMA
Status: offline
quote:

ORIGINAL: TNTtrucks

Does anyone have, or have a link to a Katana MD for G3 or 3.5? I found the mini on the Swap Pages but wanted to try the MD. Thanks.


There isnt any YET, hopefully soon someone will do one for us

_____________________________

Daniel Dominguez
http://www.aerofun3d.com/videos/

(in reply to TNTtrucks)
       Post #: 160

RE: Precision Aerobatics Katana MD Build and Fly - 7/17/2007 5:51:20 AM   
aerofundan


 

Posts: 482
Joined: 3/7/2005
From: PTY, , PANAMA
Status: offline
quote:

ORIGINAL: Greg Cothern

My goodies from PA arrived this evening, motor is installed, working on the servo's (making extensions for the ailerons and elevator). Hope to have quite a bit done tomorrow evening.


Keep us informed about your build and how you like the plane!

_____________________________

Daniel Dominguez
http://www.aerofun3d.com/videos/

(in reply to Greg Cothern)
       Post #: 161

RE: Precision Aerobatics Katana MD Build and Fly - 7/18/2007 12:55:59 AM   
Greg Cothern



Posts: 594
Joined: 1/7/2002
From: Seagoville, TX, USA
Status: offline 		Well I had wanted to finish the K-MD but alas probably wont happen today.... I ordered the CF servo arms, while I like them and they are cool and will work good, I am very frustrated with them, for the cost and such it would have been nice for them to come drilled to fit the PA servo's, or atleast with the appropriate sized drill bits to make them fit.
I LOVE the CF control horns they are great...
I hope to have the radio gear finished this evening, with only to finish up the ESC, motor, air scoops, and cowl mounting tomorrow..

_____________________________

Some of the products I like
Smart-Fly Hangar 9 Wild Hare MVVS & DA Engine''s Futaba Radio Hitec Digital Servo''s

(in reply to aerofundan)
       Post #: 162

RE: Precision Aerobatics Katana MD Build and Fly - 7/19/2007 3:50:30 PM   
vasmikey


 

Posts: 19
Joined: 5/6/2007
From: Bloomington, MN, USA
Status: offline 		I finished my Kantana MD. It flew great. Only needed one click of up trim and lateral balance was perfect.. (see if I can make my PICs appear.) thanks all for the super advice.


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(in reply to Greg Cothern)
       Post #: 163

RE: Precision Aerobatics Katana MD Build and Fly - 7/19/2007 3:54:40 PM   
Greg Cothern



Posts: 594
Joined: 1/7/2002
From: Seagoville, TX, USA
Status: offline 		I would like to see some PICs of how folks mounted their ESC's in the K-MD please??

_____________________________

Some of the products I like
Smart-Fly Hangar 9 Wild Hare MVVS & DA Engine''s Futaba Radio Hitec Digital Servo''s

(in reply to vasmikey)
       Post #: 164