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Oct 07, 2012, 10:26 AM
BMFA 190658
SilentPilot's Avatar
Chips is chips
Latest blog entry: Spitfire mk1a
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Oct 08, 2012, 02:04 PM
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...weather is crap. In order to keep the "Happy" in Happy Owner... AND support the international flair of this thread, I made a run for a sixer of Guinness.

Yeah, for a "Colonial" I pretty much have it going on.
Oct 08, 2012, 03:09 PM
Registered User
Quote:
Originally Posted by AJay Newb View Post
...weather is crap. In order to keep the "Happy" in Happy Owner... AND support the international flair of this thread, I made a run for a sixer of Guinness.

Yeah, for a "Colonial" I pretty much have it going on.
See if you can find Murphys. Less iron and more like chocolate.
Oct 09, 2012, 03:54 PM
Registered User
CG at 70mm, SFG installed. More symetical wing. Two good landings and much more controllable. Two zero damage landings and lots of fun. Flipped on its back but a rough field will do that. Sweet.
Oct 10, 2012, 02:17 PM
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I'm thinking of fitting SFGs or Winglets myself.
Do you care to share your design?
Latest blog entry: Spitfire mk1a
Oct 10, 2012, 02:51 PM
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Quote:
Originally Posted by SilentPilot View Post
I'm thinking of fitting SFGs or Winglets myself.
Do you care to share your design?
See my posts #2104, 2143, 2154, 2244
Oct 10, 2012, 04:00 PM
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SilentPilot's Avatar
Thankyou
Latest blog entry: Spitfire mk1a
Oct 10, 2012, 04:06 PM
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Quote:
Originally Posted by SilentPilot View Post
I'm thinking of fitting SFGs or Winglets myself.
Do you care to share your design?
Used this one. a few others out there. I used lexan and screws with glued in blind nuts plus glue.This one has a nice printable decal too!.
https://www.rcgroups.com/forums/show...postcount=2143
Oct 10, 2012, 06:37 PM
Registered User
I have ran out of skill before... tonight I ran out of skill and altitude.

It's going to be a Gorilla Glue type of evening.
Oct 10, 2012, 06:58 PM
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Quote:
Originally Posted by Rickflaguy View Post
Used this one. a few others out there. I used lexan and screws with glued in blind nuts plus glue.This one has a nice printable decal too!.
https://www.rcgroups.com/forums/show...postcount=2143
Nice ! How are they working?
Oct 10, 2012, 08:01 PM
Registered User
Quote:
Originally Posted by AJay Newb View Post
Nice ! How are they working?
I did three things.

First the winglets. Lower stall speed.

Second steamed the wings and out popped the symetrical airfoil. More on the port so it still stalls first to starboard. More on that when finished

Moved the CG back to 70mm instead of all the way forward. More balanced and less likely to pitch up with power. Doesn't dive in a turn so less likely to balloon.

All in all a much slower bird and lighter to control. I have a 1/4 inch under strap but I'm using the blue lipos so I would recommend the CG not the position.

Steaming also popped out the rounded edges of the wings and ailerons giving smoother stalls.
Oct 10, 2012, 08:15 PM
Registered User
Quote:
Originally Posted by Rickflaguy View Post
I did three things.

First the winglets. Lower stall speed.

Second steamed the wings and out popped the symetrical airfoil. More on the port so it still stalls first to starboard. More on that when finished

Moved the CG back to 70mm instead of all the way forward. More balanced and less likely to pitch up with power. Doesn't dive in a turn so less likely to balloon.

All in all a much slower bird and lighter to control. I have a 1/4 inch under strap but I'm using the blue lipos so I would recommend the CG not the position.

Steaming also popped out the rounded edges of the wings and ailerons giving smoother stalls.
Thanks Rick !
Doing a little repair tonight and plan on re-riggin' it. The tip stalls are driving me nuts. The full forward CG isn't much fun to fly... to fast and like you said, leads to ballooning.


EDIT: Hey Rick, what is your elevator trim like with that CG?
Last edited by AJay Newb; Oct 10, 2012 at 08:24 PM.
Oct 10, 2012, 08:22 PM
Registered User
Quote:
Originally Posted by AJay Newb View Post
Thanks Rick !
Doing a little repair tonight and plan on re-riggin' it. The tip stalls are driving me nuts. The full forward CG isn't much fun to fly... to fast and like you said, leads to ballooning.
In addition I have REALLY limited the aileron throws. Less likely to overcontrol
Oct 10, 2012, 09:23 PM
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Quote:
Originally Posted by Rickflaguy View Post
In addition I have REALLY limited the aileron throws. Less likely to overcontrol
As in, you didn't over correct for a WAY TOO LOW to be trying knife-edge, flop inverted and then recover by pulling a split-s into the turf "over control"... ?
Oct 21, 2012, 12:27 AM
Registered User
Where is the Happy?

I crashed, I fixed, I flew again... I'm happy, what's up with the rest of the gang?


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