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Old Mar 14, 2005, 09:42 PM
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Cool
What kind of radio and set-up are you using?

I got into a forum conversation around radio requirements for scale sailplanes. I wrote up an extended epistle on scale sailplane radios, what is required and what to look for to get the most out of your plane. So I was wondering, what people are using to fly their planes.

So four simple questions. Answers, short of long are appreciated.

What scale plane are you flying?

What radio do you use?

How do you have your channels arranged?

Other than dif ailerons, aileron/rudder and flap/elevator mix, what other mixes are you using?

=================

I'll kick it off.

I am building a 3.6M Ventus 2C
I am using a Futaba 9C radio

1 R Aileron
2 Elevator
3 airbrake/throttle stick- landing mixes
4 Rudder
5 R Flap
6 L Flap
7 L Aileron
8 Tow rel.

I have spoiler cavaties but will not be using them right now.
No landing gear.

In addition to the above mixes, planned mixes would be

Crow/Butterfly
elevator/Flap - for use in thermals
Launch Preset for winch launching
A reflex/speed setting for running through sink.

Not sure what else I might use - open to suggestions
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Last edited by aeajr; Mar 14, 2005 at 10:16 PM.
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Old Mar 15, 2005, 01:35 AM
Feeling FrSky
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United States, CA, Santa Barbara
Joined Feb 2003
20,086 Posts
4m MDM-1 Fox

Multiplex Profi 4000

1 Aileron
2 Aileron
3 Spoiler
4 Spoiler
5 Rudder
6 Elevator
7 Elevator (two servo setup)
8 Tow release

(Channel assignments are arbitrary--they can be whatever I want)

Aileron differential will be the only mix planned at this point.
No rudder mixing--I do that manually.
Will have to see once the plane is done what other mixing will be necessary. No plans to do flaperons or spoilerons, will try to keep it scale. This is an aerobatics plane after all, not a thermal ship!

Steve
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Old Mar 16, 2005, 11:46 PM
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MAVA's Avatar
El Dorado Hills, California, U.S.A.
Joined Mar 2000
548 Posts
Graupner MC24

Ventus 2C 4M

1 Rt Spoiler
2 Rt Ail
3 Elv
4 Rud
5 L Ail
6 L Spoiler
7 L inside Flap
8 L outside Flap
9 Rt Inside Flap
10 Rt Outside Flap
11 Retract
12 Tow Release

Though this radio follows JR positions, I can re-address any channel to any location.

Use the three position stick switches to change flight modes.

All mixes are built in, this is a glider radio at 12 channels

Nice Radio to do all these channels.



Martin
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Old Mar 17, 2005, 01:13 PM
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In PA near Elmira NY
Joined Apr 2002
685 Posts
JR 10X
depending on the model, Matchboxes to add flexibility and battery/current management.
Typical 5 meter, aileron, flaps, spoiler
  1. spoilers y'd
  2. right aileron
  3. elev
  4. rudder
  5. left aileron
  6. left flap
  7. right flap
  8. retract
  9. tow release
  10. vario

Functions used typically.
  • ail/flap mix
  • camber
  • cruise
  • reflex
  • rudder
  • elevator
  • tow
  • brake
  • retract
  • spoilers

Explaination below:

Some pilots I know with 10x radios use the dual elevator function to set up their spoilers independently with their own trims, and travel adjustments.
elevator & AUX 3 channels.

I reassign the tow release on channel 9 to the snap roll button, makes a momentary switch that is always connected until you press the button. When I use a wheel brake I couple this to the same channel for a pulse action brake. Works like a car brake if you use a light touch. They never interfere with each other.

I put the retract on the gear switch (note, not the gear channel) Use origin mixes for both above scenarios.

My philosophy is to mimic full scale functions on a large scale sailplane, so crow is out for me. Unless you count full spoilers and flaps as crow.

Camber/cruise/reflex is assigned to a three position switch. Most settings are fixed anyway after you dial your plane in.
Camber sometimes means only a thermal flap setting, with a flap trimmer on the left slider for landing flaps.
ailerons mixed to flaps 30-40% except in landing mode then they decouple to prevent overdriving the flap servos.
elevator comp DOWN for reflex.
elevator comp for spoiloer deplyment if neccessary.

For more complex planes I use a Match box or two to gain sophistcated mixes using fewer channels as on the DG-1000 with a six surface wing.
tiperons are connected to a Matchbox.
left rudder acuates left tip up 45 degrees, right tip stays neutral.
Or, via a two position switch, left aileron, same tip deflection on tiperons.

The full scale DG uses the rudder tiperon mix.
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Old Mar 20, 2005, 08:48 PM
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Not familiar with a match box. What does that do?

An yes, I would consider spoilers/flaps/elev comp as crow.
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Old May 05, 2005, 01:53 AM
glider guider
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Winnipeg, MB
Joined Mar 2005
73 Posts
I have a 4.5M Ventus 2CZ
I am using a Stylus radio

I would have to double check the exact channel #s

1 R Aileron
2 L Aileron
3 Elevator
4 Rudder
5 R and L Flap
6 L and L spoiler
7 Gear and vario
8 Tow release

Three position switch for Launch, Cruise, and Reflex.
Slider for thermal camber.
Switch to mix spoilers and flaps for landing.

Each of the above have elevator compensation.

The gear and vario are on a three position switch so that I have vario and command with the gear up plus the option of vario off with gear down.

I am using differential plus I have a few other mixes and compensations that I have yet to try.
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Old May 05, 2005, 02:04 AM
glider guider
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Winnipeg, MB
Joined Mar 2005
73 Posts
A matchbox allows you to put up to four servos on to one channel. You can then independently adjust for each servo, the direction of travel, the center point, and the EPAs.

An expander, also by JR, is similar to the matchbox. The two differences are that the expander is non proportional and the center point adjustments are now kickpoints.
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Old May 05, 2005, 02:49 AM
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glider guider

Thanks to everyone for the set-up info.

I had hoped to have this plane ready for set-up long before this time, but other stuff keeps jumping in front of it. So many planes, so little time.

Need to get to it soon! Aerotow season is quick upon me on Long Island and I don't want to miss it.
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Old May 05, 2005, 06:51 AM
James
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Australia, NSW, North Narrabeen
Joined Nov 2004
331 Posts
I have a HF DG-1000

I'm running a JR X-3810 PCM

I haven't set it up yet. That's next weeks task. (I cain't wait)
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Old May 05, 2005, 08:07 AM
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Florida
Joined Nov 2004
358 Posts
Hi @ all

I fly a all molded Schueler DG505 (6.29 m) and use a Futaba 9C

Following is the set up:

1 R Aileron
2 Elevator
3 airbrake
4 Rudder
5 R Flap
6 L Flap
7 L Aileron
8 vario on slider mixed with wheel brake on a proportional mix vario off brake starts working at 80% of slider travel
9 Tow release and Retract

I use a matchbox on the 9th chanel since this one is only a on and off chanel on the 9c this makes the setup easier.


Saludos,
Landi
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Old May 05, 2005, 09:03 AM
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Belle Mead NJ
Joined Mar 2005
71 Posts
Hi,
Most of you seem to have ailerons and elevator on the right stick, spoiler and ruder on the left. This looks like full size: ailerons and elevator on the stick. Default setting for US transmitters (Type 1) ?.
Scalesoar seems to have a different setting: with ailerons and spoiler on the right stick, elevator and ruder on the left. This is like the default set up for Europeans radios (Type 2?).
I fear that having ailerons and elevator on the same stick (Type 1) may result in less precise control: your aileron command may interfere with the elevator one. The ruder elevator cross talking (in case of type 2) seems to be less a problem unless being very goofy with the left hand.
In the other hand, using common settings is more friendly and allow easy sharing/testing of planes.
What is your experience/feeling with that?

Fabrice
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Old May 05, 2005, 11:08 AM
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In PA near Elmira NY
Joined Apr 2002
685 Posts
Quote:
Originally Posted by fabrice
Hi,
Most of you seem to have ailerons and elevator on the right stick, spoiler and ruder on the left. This looks like full size: ailerons and elevator on the stick. Default setting for US transmitters (Type 1) ?.
Scalesoar seems to have a different setting: with ailerons and spoiler on the right stick, elevator and ruder on the left. This is like the default set up for Europeans radios (Type 2?).
I fear that having ailerons and elevator on the same stick (Type 1) may result in less precise control: your aileron command may interfere with the elevator one. The ruder elevator cross talking (in case of type 2) seems to be less a problem unless being very goofy with the left hand.
In the other hand, using common settings is more friendly and allow easy sharing/testing of planes.
What is your experience/feeling with that?

Fabrice
Fabrice;
I fly mode 2. (Edited 5/7/05 to correct typo). The pin outs on a JR radio differ from some others. It is all a matter of what you get used to flyin really. I have been to Germany to fly and have noticed there seems to be no rules, or at least many rules as to where you put what function. I think this is attributed to the multiplex and Graupner radios which allow any kind of stick assignment.

Interestingly if two guys have JR 10X radios one mode 1 and one mode 2, and they would like to share a plane set up, when you transfer the file between two 10X radios it automatically converts to the correct mode. You in theory could do this right at the field and share an airplane.

JD
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Last edited by scalesoar; May 08, 2005 at 11:52 AM.
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Old May 05, 2005, 11:44 AM
Proud member of LISF and ESL
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North American Standard is Mode 2

Right stick - pitch and roll
left stick - Yaw and throttle/airbreaks/flaps

In the case of a 2 channel r/E plane, the R goes on the right stick as it is the primary roll control in these high dihedral planes.
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Old May 07, 2005, 09:18 AM
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Tadley Hants England
Joined Sep 2002
315 Posts
I use the Eclipse 7

1 Right Aileron
2 Elevator
3 Tow Release
4 Rudder
5 Left Aileron
6 right airbrake or right flap
7 left airbrake or left flap

Aileron and elevator are on the right stick rudder and crow braking on the left stick, flap positions on 3 pos. switch.

Alistair
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Old May 07, 2005, 08:45 PM
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New York
Joined Feb 2002
3,051 Posts
Plane: 5.3 meter molded Nimbus 4D awaiting decent weather for its maident flight.

Radio: The scale pilot's best choice--Profi 4000

Setup:
1 Left outer aileron
2 Right outer aileron
3 Left inner aileron
4 Right inner aileron
5 Left flap
6 Right flap
7 Left airbrake
8 Right airbrake
9 Rudder (with Pic vario y'd to it)
10 Elevator
11 Retract
12 Tow release

Mixes include full or partial trailing edge camber plus all the other usual stuff. One slider for flaps, the other for camber. Left stick for air brakes.

This is the first plane I've had complex enough to use both servo mix and multimix. Anyone care to walk me through a multimix setup for the first time?

Regards,

Steve
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