DX7 throttle hold to turn off GV-1 governor

[fredmillard]

Greetings folks,

Although I am able to control the GV-1's three different RPM settings via the DX7's flight mode 3-way switch (if a given RPM setting is set to <1000 RPM's the GV-1 turns off) I cannot get the GV-1 to turn off via the switch I assign for throttle hold. Does anyone know if I can do this or am I wasting my time trying? What I really want is Normal flight to turn the GV1 off, St1 to be 1700 RPMs, ST2 to be 2000 RPMs, when I switch on Throttle hold, the governor to turn off. As it stands, engaging the throttle hold switch has no effect whatsoever on the governor, any suggestions? Thanks Fred

[capebob]

When you switch to throttle hold the governor will automatically turn off as long as the throttle hold point is below the governor operation point (20%) which it is sure to be. There is no need to have a switch to turn off the governor. If you want the governor to be off in normal mode set the governor speed to be below 1000 RPM and the governor will be off.

On Jason Krause's site http://jkheli.com/ there is a very good setup guide to supplement the really terrible Futaba manual. Go to his site and look under "Setups"

The DX-7 is a very popular radio, but one must remember that it's a seven channel radio with limited switch selection options. The radio lacks one switch to make it a decent heli radio IMHO.

Bob

[fredmillard]

Bob,

The way it is currently set, the gov changes RPMs between its 3 respective settings via the flight mode switch. You are correct if it is set to below 1000 RPMs, it goes off. Currently I have it set so when in Normal flight it is off, in ST1 it is at 1700 RPMs and in ST2, 2000 RPMs. However, if I engage T hold while in either ST1 or 2, the gov does not switch off. I was anticipating that regardless of which Fmode I am in at the point T hold is engaged, the gov will shut off, which is not the case. Thanks . Fred

[DavidH]

The easiest way to get it to Turn OFF in Throttle Hold. Set the governor to STSW ( stick switch) mode in the GV1 menu. This way anything the throttle curve goes to idle position the GV1 will turn off. With Stick Switch mode activated you still can also use a switch on the tranny to turn the GV1 off and on. Just leave the switch in the ON position.

The way you have it set up now. The GV1 will only disengage when you hit the throttle hold switch in the Normal flight condition. Since Idle 1 and 2 have priority over Normal mode that is why it stays engaged. You would need to be able to set the GV1 for less than 1000 rpm when in Throttle Hold condition. Since your already using the 3 speeds for Normal, Idle 1 and 2. That is not possible. Stick Switch is easiest way.

David

[fredmillard]

David thanks much. The way you suggest, can I also have it change RPM settings via the flight mode switch? What I mean is can I make so in normal flight it runs at 1700 RPMS, in ST1 say 2000, and in ST2 something else, while anytime I go into idle, it turns off?

Fred

[wren1702]

David thanks much. The way you suggest, can I also have it change RPM settings via the flight mode switch? What I mean is can I make so in normal flight it runs at 1700 RPMS, in ST1 say 2000, and in ST2 something else, while anytime I go into idle, it turns off?

Fred

I just sey mine up this weekend like that, normal is 1600, ST1 is 1850, ST2 is 1950. I had it set up the same way on mine 8 channel JR. Works great!

[Jermo]

tag

[DavidH]

Fred,
Activating Stick Switch (StSw) on the GV1 does not affect the RPM settings. It is just a way to turn the GV1 off when the throttle curve is below about 20% on the transmitter.
In the idle up flight conditions. You will need to make sure the throttle curve in the transmitter is at least above 30% at the low stick setting. It is best to have a V curve in the throttle curves for the idle ups when using the GV1.

David

[fredmillard]

David,

Thanks again. Fred