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HelicopterMain Discussion › TJ Pro and JR 8103 options
06-05-2004 01:50 PM  13 years agoPost 1
Larry Legg

rrApprentice

Kansas City, Missouri

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I am thinking about getting a TJ Pro for my Raptor 50 V2 and was wondering with a JR 8103 transmitter, can I have the TJ Pro be disengaged in normal mode and on only in stunt mode?

Also, where can you find the best info about TJ Pro install?

Thanks

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06-05-2004 02:13 PM  13 years agoPost 2
z11355

rrMaster

New England

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depends on if you want 1 speed or 2 speeds (ie. different in each idle-up).

you could use the gyro sense screen for the former
but would want a mix for the latter.

as long as you can manipulate the output of the
control channel as a function of mode, you're
golden.

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06-05-2004 03:01 PM  13 years agoPost 3
cwhover

rrApprentice

El Paso, TX

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I have a TJ Pro on my R50 with an 8103. It takes 1 mix to set up the combo you want. I have the TJ active with 3 different headspeeds in N, I1, and I2, with a separate on/off switch (the gear switch). It would be easy to change normal to off with the same mix. Works like a charm.

Carl
VISA field rep

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06-05-2004 05:21 PM  13 years agoPost 4
RayJayJohnsonJr

rrKey Veteran

Midwest

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Have TJPro set up on my EVO w/ 8103. Active in idle up 1 & 2 (2 diffferent head speeds). Toggled on/off w/ gear switch. Not active at all in normal mode. Works Great!!!

-Mark

There, their and they're. It's really that simple.

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06-13-2004 06:09 AM  13 years agoPost 5
thelaw

rrNovice

Bay Area

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Hey Cwhover,

I have a TJpro and 8103 on my Xcell. I can't get it to engage. I mixed my Aux3 with the flight mode switch but still no luck. I know the governor works because I tried manual mode and it works fine. I just can't get it to work in remote mode. Another guy at the field have the same problem.. Could you walk me through what you did.? please...

Thanks

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06-13-2004 07:01 AM  13 years agoPost 6
Rogue123

rrKey Veteran

Phoenix AZ

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06-13-2004 11:47 PM  13 years agoPost 7
cwhover

rrApprentice

El Paso, TX

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thelaw,

I have step by step instructions at work in word format. I will give you the highlights here, and if that doesn't get it working, let me know and I'll email it to you. First, I would try lowering the ATV's. I found the calculator didn't match, and I wasn't getting the speed high enough to engage the TJ. Here are the basics:

Tj hooked up to gear channel
gear travel at +- 100 for calibration
throttle close to +- 100
perform calibration (toggle gear switch, cycle throttle, throttle back up for super servo mode
change gear travel to 0 in down position (makes gear on-off switch)
add mixes (negative in my case to lower the 100 ATV in the gear up switch position) to get desired ATV's. I used mix 1, AUX3 to gear and -45 for normal (mix position H), -37 for idle 1 (position 2 in the mix) and -37 for idle 2 (position L in the mix) on my setup. This gave me as I recall about 1800 in normal and 1900+ in I1 and I2 with my R50's gear ratio (9.5). Works like a charm. If this doesn't get you going, let me know and I will dig out my instructions and email them to you.

Sorry for the long winded post.

Carl
VISA field rep

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06-14-2004 12:26 PM  13 years agoPost 8
PietervA

rrVeteran

New Zealand

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You essentially have to link the flight mode switch to Aux3 (automatic in 8103, programmable in 9X).

You'll see that the Aux3 output is -100 in ST2, 0 in ST1 and +100 in N. Because you want to programme a % of ATV to determine headspeed, it's best to start by "cancelling" the Aux3 output, to create a flat curve (ie 0,0,0 for N, ST1, ST2). Easiest way is to use Mix1 Aux3 to Aux3, set at +100, INH, 0, INH, -100, switch ON. Mix2 determines the outputs for the 3 flight modes. I used Aux3 to Aux3, 88, INH, 75, INH, 55, switch ON. This provides headspeeds of approx 1850, 1750 and 1550 in ST2, ST1 and N respectively. You don't need Mix3, so leave this in INH.

If you want the TJ Pro off at any stage, remember that a throttle output of less than approx 25%, or an Aux3 output of less than 5%, switches off the TJ Pro. So, if you want no governor in N, then simply ensure the Aux3 output in Mix2 reflects an output less than 5% for N (instead of my 55%). In HOLD, and low throttle in N, (and throttle kill in the 9X), the TJ Pro will switch off.

I agree with the calibration routine: remember to INH all the mixes, and ensure you have straight throttle curves in N, ST1 and ST2 before you calibrate.

The 9X is identical, except that you have 7 point curves in Mix1 and Mix2, but only need the H, mid and L, so that the rest are left INH (ie Mix1 would be +100, INH, INH, 0, INH, INH, -100).

If you're in doubt as to what you're doing, and to save you flicking back and forth to the monitor channel, simply plug a servo into the Aux3 on the reciever. Then stick a piece of card to the flat top of the servo (double-sided tape works a treat), under the servo horn, and mark off on the card the position of the horn with the different positions of the flight mode switch. As you introduce each Mix, you'll see what you've changed, and finally you'll confirm the outputs you want for the headspeeds you desire.

BTW, all of the above assumes Aux3 ATV of +100, -100, and servo switch not reversed. I used Aux2 to set my 401's sensitivity and mode, so this was not available for the governor.

I wish someone had explained this all to me when I started!! In the end I had to work it out myself, but that's OK.
HTH
Ciao

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HelicopterMain Discussion › TJ Pro and JR 8103 options
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