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Old Mar 19, 2009, 02:22 PM
Infinite Zenith
Draven's Avatar
United States, TX, Arlington
Joined Sep 2006
2,467 Posts
If i flew with a 350mah 2s Lipo that weighs 23g, is it enough to get the correct CG?
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Old Mar 23, 2009, 03:06 PM
Registered User
Patras, Greece
Joined May 2007
1,287 Posts
Hi.
I just finished my Piaget, with Futaba S3114 servos and Axi 2204/54 motor on 2S LiPo. Very happy with this one and I have another one (the same!) waiting in the box.
There is one thing that bothers me, mentioned in one post, but never discussed.
There is a HUGE differential in ailerons with much more down deflection. What did you do for that?
Do you fly with such differential? If not, how did you compensate that?
Best
Takis
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Old Mar 23, 2009, 03:13 PM
Crash & Burn
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Glastonbury, CT
Joined Nov 2004
2,501 Posts
I don't mind the differential. It makes rolling circles easier. If you use a round servo control horn and if you place the push rods at the top of the circle (or maybe the bottom, I don't remember), I believe you can remove most of the differential.
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Old Mar 30, 2009, 12:11 PM
Burb
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United States, MN, Hopkins
Joined Mar 2008
71 Posts
Build question

Hey guys ...
When I buildt this I squared up the bottom fuse perfectly ( flat on the table )
then fliped over to put on the top fuse.... alot tougher to attach sq..
Now I see a slight twist to the elevator as compared to the wings ...
Can I fix this thru the carbon rods or do I have to cut off the top and reapply ??

Any ideas ???
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Old Mar 30, 2009, 12:49 PM
Crash & Burn
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Glastonbury, CT
Joined Nov 2004
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Same thing happened to me. I just fly it the way it is, honestly, I don't notice it, but I'm flying outdoors in the wind, where precision flying is almost impossible with a plane this light.
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Old Mar 30, 2009, 12:51 PM
Flying like an Angel.
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Austria
Joined Sep 2007
1,488 Posts
fix it thru the carbon rods, easier to do.
A slight twist, is not a big problem.
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Old Mar 31, 2009, 11:47 PM
Burb
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United States, MN, Hopkins
Joined Mar 2008
71 Posts
Build Completed

Finished the build ... straightened out the elevator just fine thru the rod placement. Had to use a stronger servo for the alerons, the s75 I installed first couldn't recenter it some times with an extra long dubro arm.
Used the HS65 with dubro ex long arm and now it is perfect...
Made up for the expensive servo by using hx900 everywhere else at $3.49 a piece. Had to cut back the throw to 80% on the alerons..

Added negative expo to the spektrum,,, thats right uisn't it ??
-60% for all controls

Will post some pictures soon and maiden next day or so.
Going to be cold and windy tommorow
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Old Apr 01, 2009, 12:05 AM
pǝʇɹǝʌuı
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Perth, Western Australia
Joined Aug 2006
577 Posts
Quote:
Originally Posted by burb
Finished the build ... straightened out the elevator just fine thru the rod placement. Had to use a stronger servo for the alerons, the s75 I installed first couldn't recenter it some times with an extra long dubro arm.
Used the HS65 with dubro ex long arm and now it is perfect...
Made up for the expensive servo by using hx900 everywhere else at $3.49 a piece. Had to cut back the throw to 80% on the alerons..

Added negative expo to the spektrum,,, thats right uisn't it ??
-60% for all controls

Will post some pictures soon and maiden next day or so.
Going to be cold and windy tommorow
Burb,
Spektrum is + Expo.
Cheers
Mick
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Old Apr 01, 2009, 09:50 AM
Infinite Zenith
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United States, TX, Arlington
Joined Sep 2006
2,467 Posts
Finished my Piaget!

http://www.rcgroups.com/forums/member.php?u=112816
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Old Apr 01, 2009, 08:41 PM
Burb
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United States, MN, Hopkins
Joined Mar 2008
71 Posts
Completed Pics

Will maiden in the morning .... hopefully
Fixed my expo ...Thanks for straightening me out !!!
Also checked my manual and of course you were right !!
Needed "plus" expo
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Old Apr 01, 2009, 08:46 PM
Burb
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United States, MN, Hopkins
Joined Mar 2008
71 Posts
Power Plant

One thing I noticed when checking out the power system was that the motor gets pretty hot..... I am using the 12a plush esc with 3s 750 Rhino battery
also the 8 x 3.8 slo fly prop

any comments ??
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Old Apr 01, 2009, 08:49 PM
Infinite Zenith
Draven's Avatar
United States, TX, Arlington
Joined Sep 2006
2,467 Posts
burb ive got the same prop and lipo, great lipo, but its not for this outrunner. It works best with 2s, It hovers at Half throttle as well. Since the motor was made for 2s, the extra power on the 3s is brought out as heat.
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Old Apr 02, 2009, 08:25 AM
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Aylesbury, Buckinghamshire, Great Britain (UK)
Joined Jan 2000
3,031 Posts
Quote:
Originally Posted by groovejet
I think that Coonak's effort of 190g AUW is very impressive, so he appears to be the man to beat .
I'm afraid I failed, mine is 196gms - a real porker

Mike
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Old Apr 02, 2009, 09:09 AM
Crash & Burn
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Glastonbury, CT
Joined Nov 2004
2,501 Posts
Wow, I've gotta use less glue or something....
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Old Apr 02, 2009, 09:30 AM
Registered User
Patras, Greece
Joined May 2007
1,287 Posts
190 g withought LiPo?
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