Should I put ailerons on my Curtiss Jenny?

Pork Tornado · Nov 18, 2003, 06:30 PM

I'm building the Dare curtiss Jenny, and noticed that in most of my reference photos, it has ailerons. Building it scale would mean a pull-pull system for each aileron, which would mean either some very complicated engineering, or seperate aileron servos. I have sketched it out on the plans to where I am pretty sure it will be doable, but figured I would be well served to ask some of you guys if anyone had tried it, and if it was even feasible.

Were any of the original Jennys rudder/elevator only?

This image shows the ailerons. They are on the top wing only.

Pork Tornado · Nov 18, 2003, 06:33 PM

I guess I should add that I will be using a Speed 300 geared 4:1, or if this mod adds too much weight, an astro 010, which should handle it on 3s lipolys.

E-Challenged · Nov 18, 2003, 10:50 PM

Contact Pat Tritle for advice, his e-mail address is on his website:

www.thuntek.net/pcmodels/

Ta152h · Nov 19, 2003, 01:23 AM

Someone has already converted the Dare Jenny to aileron control with scale like control wires.
Look here:

http://www.rcgroups.com/forums/showt...ighlight=jenny

Dennis

Pork Tornado · Nov 19, 2003, 09:42 AM

Thanks much. I'm needling him for the details as we type.
-=D=-

vintage1 · Nov 20, 2003, 06:25 AM

If it has less than 5 degrees dihedral I'd say definitely some form of lateral cntrol is needed..Is that what you meant?

Rudder only gets pretty nasty - especially in any turbulence - at less than that.

Pork Tornado · Nov 20, 2003, 09:22 AM

Yeah, if I built it "really scale" it would have a flat wing, which could go way off the suckmeter when reversing direction with rudder only. From reading the other thread, I learned that the ailerons help to maintain bank during a turn and make it a bit easier to fly. I'm thinking about putting about 2-3 deg dihedral and adding the ailerons to see how that goes.

Megowcoupe · Nov 21, 2003, 11:20 AM

Actually, I think the full scale version has some dihedral. While normally I'm a fan of rudder only- my Sterling Jenny was something of a bear on rudder only. Don't know what tweaks Pat has done, but I must admit- long skinny wings in parkfliers don't work real well, and might indeed benefit from ailerons.

Sam

Nov 18, 2003, 06:30 PM	#1
Pork Tornado Exotic Dancer Join Date: Jul 2001 Location: Atlanta, Ga, USA Posts: 752	Should I put ailerons on my Curtiss Jenny? I'm building the Dare curtiss Jenny, and noticed that in most of my reference photos, it has ailerons. Building it scale would mean a pull-pull system for each aileron, which would mean either some very complicated engineering, or seperate aileron servos. I have sketched it out on the plans to where I am pretty sure it will be doable, but figured I would be well served to ask some of you guys if anyone had tried it, and if it was even feasible. Were any of the original Jennys rudder/elevator only? This image shows the ailerons. They are on the top wing only. Attached Images topelevation.jpg (38.1 KB, 280 views)

Nov 18, 2003, 10:50 PM	#3
E-Challenged Registered User Join Date: Oct 2000 Location: Garden Grove, CA, USA Posts: 5,819	Ailerons for Jenny Contact Pat Tritle for advice, his e-mail address is on his website: www.thuntek.net/pcmodels/

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Nov 18, 2003, 06:33 PM	#2
Pork Tornado Exotic Dancer Join Date: Jul 2001 Location: Atlanta, Ga, USA Posts: 752	I guess I should add that I will be using a Speed 300 geared 4:1, or if this mod adds too much weight, an astro 010, which should handle it on 3s lipolys.

Nov 19, 2003, 01:23 AM	#4
Ta152h Registered User Join Date: Jul 2003 Location: Vienna Posts: 15	Someone has already converted the Dare Jenny to aileron control with scale like control wires. Look here: http://www.rcgroups.com/forums/showt...ighlight=jenny Dennis

Nov 19, 2003, 09:42 AM	#5
Pork Tornado Exotic Dancer Join Date: Jul 2001 Location: Atlanta, Ga, USA Posts: 752	Thanks much. I'm needling him for the details as we type. -=D=-

Nov 20, 2003, 06:25 AM	#6
vintage1 Replikit Designer Join Date: Sep 2002 Location: East Anglia, UK Posts: 27,369	If it has less than 5 degrees dihedral I'd say definitely some form of lateral cntrol is needed..Is that what you meant? Rudder only gets pretty nasty - especially in any turbulence - at less than that.

Nov 20, 2003, 09:22 AM	#7
Pork Tornado Exotic Dancer Join Date: Jul 2001 Location: Atlanta, Ga, USA Posts: 752	Yeah, if I built it "really scale" it would have a flat wing, which could go way off the suckmeter when reversing direction with rudder only. From reading the other thread, I learned that the ailerons help to maintain bank during a turn and make it a bit easier to fly. I'm thinking about putting about 2-3 deg dihedral and adding the ailerons to see how that goes.

Nov 21, 2003, 11:20 AM	#8
Megowcoupe Balsa Flies Better! Join Date: Oct 2000 Location: Stamford, CT Posts: 5,538	Actually, I think the full scale version has some dihedral. While normally I'm a fan of rudder only- my Sterling Jenny was something of a bear on rudder only. Don't know what tweaks Pat has done, but I must admit- long skinny wings in parkfliers don't work real well, and might indeed benefit from ailerons. Sam