How to set adjustable idle speed for a nitro heli

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Himilou
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Joined: Tue Oct 09, 2012 6:26 pm
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How to set adjustable idle speed for a nitro heli

Post by Himilou »

Didn't see this anywhere so I thought I'd throw out a simple way to make your idle speed adjustable through a pot with ER9x
This isn't perfect but I don't have ER9x fully figured out yet.
These settings allow you to use pot 2 to add a small amount of throttle when your throttle stick is pulled down for starting and idle speed.
Go to switches menu and create a switch ( I used SW1 ):
in the first column put v < ofs ( for when the condition is less than )
In the second column put THR ( for the condidtion to test )
In the third column put -80 ( this will make the idle speed adjustment only function at 10% or less throttle )

Now go to the mixer menu and add a mix to your throttle channel ( mine is 3 )
Source is P2
Weight is 70 ( I dont want the pot to add to much value in case I forget to check its position when I go to start the engine )
Curves are x > 0 ( this will make the pot only add some to the throttle when it is at least half way up )
Switch is the custom switch number you created above ( SW1 for me )
Multiplex is add.

Thats it. Make sure you test the behavior of the switch and your throttle cut before starting your motor ! :lol:

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MikeB
9x Developer
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Joined: Tue Dec 27, 2011 1:24 pm
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Location: Poole, Dorset, UK

Re: How to set adjustable idle speed for a nitro heli

Post by MikeB »

You can of course use the throttle trim option. When ON, the throttle trim operates fully at the low end and progressively gets phased out to nothing at full throttle.

Mike.
erskyTx/er9x developer
The difficult we do immediately,
The impossible takes a little longer!
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