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HomeAircraftHelicopterHIROBOHirobo Freya › hpm or swm
01-02-2011 01:29 AM  7 years agoPost 1
Big Electrics

rrApprentice

New Jersey

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was thinking of converting to swm (ccpm) and wonder if it is worth the time and money. what are your thoughts pros/cons? I fly a mix of F3C and 3D at 1850HS on 690s sometimes 710s.

I only need one!

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01-02-2011 04:00 AM  7 years agoPost 2
Dr.Ben

rrMaster

Richmond, VA, USA

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On the 90 sized models, the collective and cyclic response may improve a noticeable amount depending on how much torque you are used to flying on the HPM model. Fast servos with torque in the 150-200 oz-in range can make even HPM feel lively, but if your servos are more in the 100 or less oz-in range, then eCCPM effectively triples the collective and pitch power and doubles the roll power.

The Hirobo conversion is of high quality (there's a surprise;). Nice swash and the typical gorgeous and beautifully machined bellcranks.

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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01-02-2011 03:32 PM  7 years agoPost 3
Big Electrics

rrApprentice

New Jersey

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Dr. Ben
I am running JR 8311 at 6V 146oz/in torque. Is there any negatives to staying with the HPM over SWM. Will I get any more collective/cyclic range by going to SWM? I seem to be only able to get 11+/- collective and 7+/- cyclic with the HPM.

I only need one!

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01-02-2011 03:42 PM  7 years agoPost 4
Dr.Ben

rrMaster

Richmond, VA, USA

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You can get a bit more collective range with SWM because there is no elevator bellcrank between the frames to foul at extremes of travel with ele commands. Cyclic travel remains defined by the swashplate's inner ring hitting the mainshaft. As long as you are OK with the way your model feels in flight (and those are good servos), there is no downside to the HPM. Remember that when you go to eCCPM, you aquire all the usual challenges for keeping the system as interaction free as possible. The control system is excellent, but servos are still servos.

What head do you have, FFZ-III or something else?

Ben Minor

Peak Aircraft/Team Minicopter Team Futaba Team Kontronik USA

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01-02-2011 05:54 PM  7 years agoPost 5
Big Electrics

rrApprentice

New Jersey

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Dr. Ben
I am running the stock Freya EVO FFZ-3 rotor head. I am ok with the way it flies but am thinking of running the black 3D dampers and a set of RotorTech 3D paddles to liven up the cyclic a bit more. The collective at 11+/- is plenty as I can always adjust the curve to keep the head loaded up for max power out of the engine. Any tips for making this head fly better or and mods in general for making the Freya feel a bit lighter in the air.

I only need one!

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