RunRyder - DX7 Question (?? EXP on swash screen??)

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Radio - JR & Spektrum DSM > DX7 Question (?? EXP on swash screen??)

DKflyer
Senior Heliman
Location: Huntington, WV

Does anyone know what the EXP function is at the bottom of the swashplate mixing screen? There is no mention of it in the manual.

Thanks,

DK

01-09-2007 Over year old.

Micro-Maniac
Elite Veteran
Location: Pasco,Washington Formerly: Captain Chaos

Swash Mix Expo

It compensates for the non-linear rotational differentials of the servo arms in relation to simultaneous cyclic and collective deflections for less interaction throughout the collective range - I recommend enabling it.

I had to search for that answer myself and found part of it in a 9303 manual and clarified by other RR members - The manual is pretty sparse - They really should have explained that feature

01-09-2007 Over year old.

midwestpilot
Elite Veteran
Location: Crystal Lake, IL

that would only be for CCPM machines right?

Is there a need on a raptor for this?

In life there is no spacebar!

Rich Erikson AMA 6175

01-09-2007 Over year old.

HOMEPAGE

Trace
Senior Heliman
Location: Wildwood, MO

DK,

Here is a quick test to see if you need it ACT (I'm sure you will).

With it set to inhibit and the collective full up or full down, stir the cyclic and watch the spherical ball in the swashplate on the main mast, it will dance up and down a bit as you stir. Now switch to ACT and stir the cyclic the ball should now be motionless. Pretty convincing once you try it.

The one thing you will notice is the max and min pitch point will change just a bit (less) and you may need to tweak the swash mix percentage on PIT a bit, at least I did on my PMAX.

01-09-2007 Over year old.

Micro-Maniac
Elite Veteran
Location: Pasco,Washington Formerly: Captain Chaos

midwestpilot

eCCPM only - Raptor swash articulation is mixed mechanically (mCCPM) not electronically (eCCPM) so Raptors don't use radio swash mix features at all.

01-09-2007 Over year old.

cptsnoopy
Senior Heliman
Location: Phoenix, AZ USA

check your full pitch travel after enabling EXP. On my helis the full +/- travel decreased over 1 degree on both plus and negative limits.

01-09-2007 Over year old.

midwestpilot
Elite Veteran
Location: Crystal Lake, IL

thanks Capt.

I thought that was the case.. it is good to be clear.. me and a lot of other folks with Rappys might have turned that function on...

In life there is no spacebar!

Rich Erikson AMA 6175

01-09-2007 Over year old.

HOMEPAGE

R/C Speed Nut
Senior Heliman
Location: Galesburg, Michigan USA

Quote
other folks with Rappys might have turned that function on...

It's not possible to turn it on if you don't have ccpm activated in the radio, it's in the swash menu.
If you are referring to the expo in the pitch and throttle curves that is different than swash expo.

Mike

Funky Chicken?!!..........I thought this was how you do a piro flip!!

01-09-2007 Over year old.

BarracudaHockey
rrMaster
Location: Orange Park FL

Trace, thanks! Good info