Discussion jr 9503 throttle mixes

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sazfone · 02-07-2011, 06:52 PM

I have a 50cc gas plane and I want to program a low idle mix and a higher idle for flying.
This is on a a JR 9503. Do I set up throttle curves or what? Please let me know

jamesrxx951 · 02-07-2011, 06:55 PM

i think i tried this with my 9303. i mixed throttle to a switch. i didn't keep it though. if the motor is tuned correctly you shouldn't need it. or just hit up 2 click on throttle trim for flying and hit 2 down for landing. tried that to.

Tankd · 02-07-2011, 07:18 PM

I set up the gear for the high idle. For position 1, its normal, then for a higher idle, flip the switch to position 0 and it increases. The pictures should help the way I did it. Don't know if it's really correct, but it works!

FrankFuss · 02-08-2011, 11:26 AM

Tankd's pics show the correct THRO CURV setup if you want one throttle cure with a high idle, except that I set Point-3 on both curves to about 25% and EXP to ON. On the gas engine the first part of the throttle opening will result in a much greater RPM change than the last part. The throttle curve should map the throttle stick position closer to the actual RPM/Thrust that results. Record your maximum RPM and set the Point-3 percentage so that you get about half the maximum RPM at the mid stick position.

sazfone · 02-08-2011, 08:16 PM

	Quote: Originally Posted by Tankd
	I set up the gear for the high idle. For position 1, its normal, then for a higher idle, flip the switch to position 0 and it increases. The pictures should help the way I did it. Don't know if it's really correct, but it works!

Thanks for the info, I'm trying it on Thursday. By the way, not to rub it in, but is it too cold to fly in Texas? Socal is in the 70's and the air is calm.

Tankd · 02-08-2011, 09:32 PM

This year has been kinda strange. This pic was from last week ice-a-rama.. Any other time, it's in the air. Should have made skis..

	Quote: Originally Posted by sazfone
	Thanks for the info, I'm trying it on Thursday. By the way, not to rub it in, but is it too cold to fly in Texas? Socal is in the 70's and the air is calm.

sazfone · 02-10-2011, 08:13 PM

Nice Texas snow shot! The throttle mix idea was perfect, thanks. I used it today and didn't have to worry about it dying out on final or creeping on the ground.

fearonlygod · 10-10-2011, 01:32 AM

how do i put in mixes on my jr9503

02-07-2011, 06:52 PM	#1
sazfone Blackstar Guy Join Date: Nov 2008 Location: Irvine, CA Posts: 47	jr 9503 throttle mixes I have a 50cc gas plane and I want to program a low idle mix and a higher idle for flying. This is on a a JR 9503. Do I set up throttle curves or what? Please let me know

02-07-2011, 06:55 PM	#2
jamesrxx951 Bad-ass Super Contributer! Join Date: Jan 2009 Location: toledo ohio Posts: 7,675 Awards Showcase Total Awards: 1	Re: jr 9503 throttle mixes i think i tried this with my 9303. i mixed throttle to a switch. i didn't keep it though. if the motor is tuned correctly you shouldn't need it. or just hit up 2 click on throttle trim for flying and hit 2 down for landing. tried that to. __________________ Extreme flight 60" edge E-flight 60 Hanger 9 extra 300 DA120 re2's Hanger 9 40% Sukhoi DA 170 re3's JR guidance 11X NCFR imac http://tntlandinggear.com/ http://www.rcaircraftcomponents.com/

02-07-2011, 07:18 PM	#3
Tankd Bad-ass Super Contributer! Join Date: Oct 2008 Location: USA, TX, Mineola Posts: 244	Re: jr 9503 throttle mixes I set up the gear for the high idle. For position 1, its normal, then for a higher idle, flip the switch to position 0 and it increases. The pictures should help the way I did it. Don't know if it's really correct, but it works! Attached Thumbnails 34.0 KB · Views: 109 33.5 KB · Views: 97 __________________ John Texas Unlimited Fun Flyers -- T.U.F.F. USAF - Retired

02-08-2011, 11:26 AM	#4
FrankFuss Gettin' Lower! Join Date: Sep 2007 Location: Littleton, CO, USA Posts: 71	Re: jr 9503 throttle mixes Tankd's pics show the correct THRO CURV setup if you want one throttle cure with a high idle, except that I set Point-3 on both curves to about 25% and EXP to ON. On the gas engine the first part of the throttle opening will result in a much greater RPM change than the last part. The throttle curve should map the throttle stick position closer to the actual RPM/Thrust that results. Record your maximum RPM and set the Point-3 percentage so that you get about half the maximum RPM at the mid stick position. __________________ Aeroworks 35cc Extra 260, DA50 Extreme Flight 74" Yak 54, YS170 Last edited by FrankFuss; 02-08-2011 at 11:45 AM.

02-10-2011, 08:13 PM	#7
sazfone Blackstar Guy Join Date: Nov 2008 Location: Irvine, CA Posts: 47	Re: jr 9503 throttle mixes Nice Texas snow shot! The throttle mix idea was perfect, thanks. I used it today and didn't have to worry about it dying out on final or creeping on the ground.

10-10-2011, 01:32 AM	#8
fearonlygod Flyin' Around Join Date: Sep 2011 Posts: 1	how do i put in mixes on my jr9503

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