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Futaba 10j Motor Cut

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Richard Hayward 618/07/2019 11:29:10
18 forum posts

I've just finished a Phase 5e powered glider using the Glider pages of the Futaba manual. I would like to program a switch to isolate the throttle as a safety feature. As yet unfamiliar with computer radios (just returned to the hobby after a 20 yr break) I'm struggling to make sense of this situation. I appreciate that if set up as Acro there is this facility built in, but not for Glider (I'm using those settings so I can easily have Crow braking).

An Futaba aces out there who could talk me through what I'm trying to achieve please?

Shaun Walsh18/07/2019 11:39:14
166 forum posts
12 photos

Page 156 of the manual here?

**LINK**

Richard Hayward 618/07/2019 11:47:38
18 forum posts

Thanks Shaun, but that's just to select a switch for motor on/off if the throttle stick is being used for flaps. I really want throttle control of the motor as it's a powerful beast and full throttle is really too much apart from take off.

Shaun Walsh18/07/2019 12:01:44
166 forum posts
12 photos

I think that is where the problem lies, if it is the same set up as Spektrum then glider settings allow for incremental flaps on the "throttle" stick and motor either on or off via a switch. I didn't like this set up either so I set up my Hobbyking BFG 1600 using the Acro settings and put flaps, camber and crow on switches so I had full control of motor speed. I guess it's done that way because in electric glider competition you want full throttle for a short time to get as high as possible then cut the motor and glide, in the glide phase incremental flaps or camber would be of more benefit than a variable throttle.

Have fun tinkering with settings, I'm a returnee after 40 years absence and it took me a while to get my head around computer transmitters.

Frank Skilbeck18/07/2019 12:15:22
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4424 forum posts
101 photos

Have come across this on other Futaba radios, if you select glider mode then it assumes that the "throttle" stick is used for butterfly/crow braking. Your only option would be to select another model type and then then do some mixes to get the crow braking. Edit - just had a look at the manual and it seems in the glider type to have the options that if you select inh in the motor switch function then throttle control is on the stick and if you then select inh in the butterfly braking this is then on a switch.

On my electric gliders (not Futaba radio), I put the power on a slider and crow braking on the stick (with camber on another switch), but that's because I also fly pure gliders and modulating the crow braking using the stick for landing feels much more natural to me. Another glider guider I know has electric glider set up with power on a 3 position switch so he can flick between reduced power and full power and keep crow braking on the stick for landing.

Edited By Frank Skilbeck on 18/07/2019 12:27:43

Richard Hayward 618/07/2019 19:44:19
18 forum posts

Thanks both. Some radios do seem more flexible - the Futaba has no sliders which makes life a bit more difficult. Any other suggestions welcome!

CARPERFECT19/07/2019 15:01:37
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466 forum posts
6 photos

Page 129 throttle cut is what you want. easy as a drunken tart, any switch you want.

Frank Skilbeck19/07/2019 15:19:29
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4424 forum posts
101 photos
Posted by CARPERFECT on 19/07/2019 15:01:37:

Page 129 throttle cut is what you want. easy as a drunken tart, any switch you want.

That's the throttle cut if you are in heli mode (P113 for aerobatic model), but Richard wants to use glider mode then he gets the glider mixes, but in that mode there is no throttle cut switch so if you assign throttle to the stick then you can't set a safety switch (probably because Futaba expect motor control on a glider to be on a switch).

CARPERFECT19/07/2019 15:40:28
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466 forum posts
6 photos

The only way to have a throttle on/off safety switch is Throttle cut. And as you have said Frank, that option is not available in glider mode. So Areo mode is the only option, then if you want butterfly/ crow or whatever , the it must be done in a mix

Richard Hayward 619/07/2019 16:36:11
18 forum posts

In which case, I think the easiest thing is not to arm it until ready for launch (the battery bay is easily accessed under a hatch on the nose secured by magnets).

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