RunRyder - DX7 Programming HELP!!!!

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Beginners Corner > DX7 Programming HELP!!!!

rc2000
New Heliman
Location: fayetteville, nc. USA

I have a DX7 heli radio and cant for the life of me figure out how to program it to get negitive pitch on the heli. All three swash servos are reversed to get proper movement if that makes any difference. Can someone, anyone please help me?

05-06-2008 11:22 PM

trunkmunki
Senior Heliman
Location: Bangor

What helicopter, CCPM or mechanical mix?

05-06-2008 11:26 PM

rc2000
New Heliman
Location: fayetteville, nc. USA

it is a Mars 480 with ccpm mixing.

05-06-2008 11:27 PM

Dave M
Senior Heliman
Location: Mi.

..

It's OK....It's not your fault !!!

05-06-2008 11:29 PM

trunkmunki
Senior Heliman
Location: Bangor

If the geometry is right, then you should be able to mechanically get negative pitch. Check your swash mix values, increasing the pitch (or decreasing if it is negative) value will increase overall travel. Then check the travel adjust page and try increasing (or decreasing) the values to get the travel necessary. Beware as you increase pitch travel that cyclic input near pitch limits can cause binding (with cyclic stick in the "corners" of the gimbal).

Not familiar with that particular helicopter, so I assume you are supposed to be able to get negative pitch.

Hope it helps.

05-06-2008 11:37 PM

tauscnc
Veteran
Location: IL : www.cuttingedgecnc.c om

Set it up for 0 pitch in the middle of your range and everything else at 90 degrees or parralle. Sorry I also don't know that heli BUT...

The sceen you need for the DX7 is the (Swash Mix) screen. First make sure the model is setup for CCPM in the main setup part (hold the 2 buttons and turn the radio on, etc).

In the Swash mix you need to change that number for the pitch. NOTE this number can go NEGATIVE and will flip the way things work and also sets the limits of travel. Try it for the swash, aileron, and elevator.

hope that helps.
taus

05-07-2008 12:00 AM

HOMEPAGE

pH7
Key Veteran
Location: Sterling Heights, MI - USA

Go to helifreak.com and watch finless Bob's videos on CCPM setup for the t-rex 450. The method should be the same, even though you have a different heli.

05-07-2008 03:50 PM

rc2000
New Heliman
Location: fayetteville, nc. USA

thanks ph7. that website was exactly what i needed. i found an explination for my exact problem. thanks again.

05-07-2008 06:35 PM

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Beginners Corner > DX7 Programming HELP!!!!

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