Gws P-51 - RC Groups
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This thread is privately moderated by gp125racer, who may elect to delete unwanted replies.
Jun 01, 2008, 11:42 PM
Lipo abuser ... smoke on!
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Gallery

Gws P-51


Paint:
Tamiya TS series fire red and gloss white

Batteries:
3s 1600mah Loong Max 15C

Reference Threads:
* https://www.rcgroups.com/forums/showthread.php?t=493036
* https://www.rcgroups.com/forums/showthread.php?t=443130
* https://www.rcgroups.com/forums/showthread.php?t=526781

Sidebar:
With the 8x6 prop Im showing 194w and 21.xxA after a 15 second burst. Initial readings were 212w @ 23.xxA on the freshly charged 1600mah pack. My Cg with the pack all the way forward is about 3mm off of the recommended 6 forward of the spar in the wing. Im just barely forward of the spar.

Flight #1 (maiden) Report:
Wind: < 5kts
Weather: Clear skies, 80F
Battery: 1600mah 3s 15C Loong Max
Flight Time: 3:30
Notes:
After adding some more details last night I balanced her and no matter what I did with the battery I couldnt get it too balance, too tail heavy. So, I had to add the dreaded weight to the nose, ended up adding a total of 1.5oz.

After arriving at the field this morning, and flying the f-16, I figured we might as well maiden this thing. I had Mike give her a toss for me at about 1/2 throttle, and away she went. No trim really needed (a little left aileron ... 2 or 3 clicks). I climbed her up to check stall char., and noted how briskly I was moving @ 1/2 throttle. As I chopped the throttle, I expected the nose to drop with all the weight Id added, but to my suprise she stayed pretty level and glides well. Next up rolls, and speed passes......

After a few high circuits I tested both the roll rate, and inverted flight. Both were nice and smooth with no complaints what so ever. The high speed pass went without incident, so much so, i found my self doing strafing runs about 15ft off the deck wide open on my maiden flight

Battery took back 1040mah, with mostly 1/2 throttle flying.

Flight #2 Report:
Wind: Variable 5 - 10kts
Weather: Clear skies, 80F
Battery: 1800mah 3s 20C
Flight Time: 3:00
Notes:
Had a thermal shutdown of the ESC due to what I believe is cooling issues. On emergency landing, knocked wing loose. Itll be a quick repair, I just need to figure out how to get more air thru the canopy. Have I mentioned this thing looks good ... and hauls the mail!

Don
Last edited by gp125racer; Jan 04, 2009 at 10:36 PM.
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Jun 08, 2008, 11:42 PM
Been modding for over 35 years
wannabe's Avatar
Hey that looks great! Congrats on the maiden!
Jun 09, 2008, 12:29 AM
Unrepentant Carnivore
jamesdr's Avatar
Congrats! Looks nice and you had a good (actually better than good) maiden. The 2409-12 is a PERFECT motor for those GWS warbirds. Bet yours runs like stink WOT.


Jim
Jun 09, 2008, 12:40 AM
Lipo abuser ... smoke on!
gp125racer's Avatar
Thanks fellas!

50mph easily on that setup Jim, pulls like a tractor in your hand....$20 for motor and speed control hard to beat

Don
Latest blog entry: D100
Jun 09, 2008, 06:31 PM
AA6JB
Bajora's Avatar
Wow Don, nice looking P51! I'll have to get out your way to see it fly!
Latest blog entry: 2017 Reno Air Races

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