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  1. Replies
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    It's probable you have the RTRM switch assigned...

    It's probable you have the RTRM switch assigned to a channel. Check in Device Select and INH if it is, even if it's Aux4. When used like this, depending, it sets the channel to the end point and...
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    1,261

    Yeah, that's a Kevlar shield for the turbine...

    Yeah, that's a Kevlar shield for the turbine blade area on the engine. From back in the time when folks were worried about turbine wheels shedding blades thru the side of the case.
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    Ok, I'm off the grid on a 3 week trip after...

    Ok, I'm off the grid on a 3 week trip after today.

    Try Mouser.com or Sparkfun.com.

    The UNO has a power socket for an adapter you plug in from the wall. You can input up to 12v thru that....
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    Yes, if we're still talking Arduino. One button...

    Yes, if we're still talking Arduino. One button sets it to Run on the Aux channel, i.e 1500 us. Another button can set it to Off, 1100 us. Can do it in code with a digitalread. Or you could use a...
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    Except when running from the GSU direct, it's...

    Except when running from the GSU direct, it's always been a servo type input since day one for all model turbines. Basically, it's the throttle channel from an RC transmitter thru the receiver to...
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    Chuck has a good idea. Maybe use this 2 channel...

    Chuck has a good idea. Maybe use this 2 channel board with a slider or two. Set up the ECU for 2 channel operation and cobble this together into a layout that works for you.
    ...
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    You would probably get the best help from the jet...

    You would probably get the best help from the jet community on this forum:

    http://www.rcuniverse.com/forum/rc-jets-120/
  8. Replies
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    The ECU thinks it's a servo, more or less. You...

    The ECU thinks it's a servo, more or less. You could do it with any of the servo testers on the market, but startup and idle control would be tricky since they usually use rotary knobs.

    You could...
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    +1

    +1
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    Global Jet Club does JL.

    Global Jet Club does JL.
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    1,059

    You don't really need to add anything to the...

    You don't really need to add anything to the diesel for smoke. You can if you want, but I've not found anything that really makes any difference.

    I run my smoke tube about 1" to 2" behind the...
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    Plain diesel works well enough for everyday...

    Plain diesel works well enough for everyday flying. Doesn't need anything added to it.

    However, for events, you're going to want something that's more dense and whiter.
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    Try this from Page 41 of the JetCat V6.0J2...

    Try this from Page 41 of the JetCat V6.0J2 manual:

    LIMITS

    IdleThrResponse:

    This function allows you to change the throttle response from idle to mid range. Use this feature to compensate for...
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    The usual solution for this is to reset the PID...

    The usual solution for this is to reset the PID loop.

    Go to full power, press and hold the Manual button and press and hold the Rt Arrow (+) button until it gets to max rpm. A "Saving Parameters"...
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    http://www.jetcatusa.com/rc-turbines/turbine-detai...

    http://www.jetcatusa.com/rc-turbines/turbine-details/a1031-rx/
  16. Replies
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    I have an older SM L-39 where I had the left flap...

    I have an older SM L-39 where I had the left flap rip off during the turn to downwind with gear down and flaps at full. Did recover and had a less than stellar landing. Currently flying with about...
  17. You can do it the way the manual says if you...

    You can do it the way the manual says if you want, but I've done thousands of flights with it set at -150% and +/- 100%. It's all about getting the failsafe setting sufficiently far away from the...
  18. I don't use Spektrum anymore so I forgot that you...

    I don't use Spektrum anymore so I forgot that you shouldn't do the second bind the way I said above. Every time you bind, you need to set low throttle back to -150% to keep the correct failsafe. ...
  19. You're close. Attached is a JetCat manual. ...

    You're close. Attached is a JetCat manual.

    You need to decide whether to use the Aux Channel, most of us don't and typically use single channel mode.

    Look that up and do as you want. I do the...
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    Long ago I did a bunch of inflight restarts with...

    Long ago I did a bunch of inflight restarts with propane start P-80's. Trick was to have enough altitude to have the time for the engine to cool down and get below the rpm/temperature criteria for a...
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    Thermal Airport, maybe 5 road miles. Also...

    Thermal Airport, maybe 5 road miles. Also Burmuda Dunes, 15+ miles.
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    Well, for what it's worth, I remember being told...

    Well, for what it's worth, I remember being told blue cowl engines were to distinguish engines sold in Europe versus the US. I thought it was Bob Wilcox that said that, but, no matter, ancient...
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    On the case, under the red wire next to the green...

    On the case, under the red wire next to the green plug.
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    A blue cover P-80 is either really old or came...

    A blue cover P-80 is either really old or came from Europe. A serial number would help. Even at that, an older P-80 @ 117K was only about a 17lb thrust engine. You'd need to get to 120K to get to...
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    On P-120's, serial numbers 1996 and up are...

    On P-120's, serial numbers 1996 and up are convertible to SE's. Whether it can actually be upgraded is up to JetCat but it may cost a lot. Kero start just requires the kero plug to replace the glow...
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