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HomeRC & PowerAircraftHelicopterFlybarless Rotor Head SystemsbavarianDEMON › HC3-sx....does it work for you?
03-15-2012 04:28 PM  6 years agoPost 261
rbort

rrProfessor

Franklin, MA - USA

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Fix the tail servo type
On the RC page. If incorrect that can cause the tail servo to misbehave.

-=>Raja.

MA 1005 Hanson 280, 4220 flts
Spectra 27 3DMax, 3310 flts
Whiplash V1-2 Hanson 300, 1618 flts
Whiplash V2 Hanson 300, 473 flts

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03-15-2012 04:39 PM  6 years agoPost 262
love for scale

rrVeteran

Omaha, Nebraska U.S.A.

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Raja, using a fut 9254 so I listed it as digital. Gettodachoppa, not that page, on that page I adjusted some trim, I'm refering to the the diagnose page with the blue bars, that page says 0 at center

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03-15-2012 08:41 PM  6 years agoPost 263
GetToDaChopper

rrElite Veteran

Las Vegas , NV

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i was referring to the comment you made....
I did use some trim in the programing (not in tx) for rudder.
this the only place that any trim should be used.....

like mine has -6 trim for the rudder

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03-15-2012 09:43 PM  6 years agoPost 264
love for scale

rrVeteran

Omaha, Nebraska U.S.A.

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Gotcha! Yes I used trim there.

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03-16-2012 03:32 AM  6 years agoPost 265
love for scale

rrVeteran

Omaha, Nebraska U.S.A.

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Thanks danny! Got it flying pretty good. Got a few bugs to work out. Swash seems level, but wants to move backwards. So I will adjust the links from the elevator servvo to the swash to compensate, correct?

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03-16-2012 04:03 AM  6 years agoPost 266
GetToDaChopper

rrElite Veteran

Las Vegas , NV

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but wants to move backwards. So I will adjust the links from the elevator servvo to the swash to compensate, correct?
correct......

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03-16-2012 04:36 AM  6 years agoPost 267
rbort

rrProfessor

Franklin, MA - USA

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Depends
If you account for other factors, you can kill 2 birds with one stone.

In other words, if its drifting back there are two choices. one is raise the rear elevator link or lower the two aileron links.

If you fly it upright and climb out full power and it loads more than if you fly it inverted and climb out full power, to kill two birds with one stone you would lower the two aileron links or front cyclic links to drop the swash to the front and lower collective/increase negative collective.

Just one more thing to think about before deciding which link to move.

-=>Raja.

MA 1005 Hanson 280, 4220 flts
Spectra 27 3DMax, 3310 flts
Whiplash V1-2 Hanson 300, 1618 flts
Whiplash V2 Hanson 300, 473 flts

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03-16-2012 05:10 AM  6 years agoPost 268
GetToDaChopper

rrElite Veteran

Las Vegas , NV

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In other words, if its drifting back there are two choices. one is raise the rear elevator link or lower the two aileron links.
make that three choices....

one - is raise the rear elevator link

two - lower the two aileron links

three - do both just a little

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03-16-2012 05:30 AM  6 years agoPost 269
Jockobadger

rrApprentice

Snoqualmie, Washington USA

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One of mine was drifting back like that and I immediately thought "raise the elevator link!" It worked, but for whatever reason, I didn't think about lowering the two front links - real bright, huh? I really didn't think of doing a bit of fiddling w/ all three per Chopper's suggestion! you guys are too smart for me - that's why I read RR so much. It's amazing how much one can learn here. Thanks

Century Bell 47 III, RCA,700 UH-1N, Hirobo Lama, Logo 500, Logo 400, Trex 550e, HC3SX, Kontronic

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03-16-2012 05:52 AM  6 years agoPost 270
TomC

rrKey Veteran

Gold Coast, Queensland, Australia

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I'd normally do all three in this case in order to maintain zero collective pitch at mid-stick.

cheers,
tomc

Nqx,Mcpx-BL,300x,450x,500x,550x
Ion-x, 10s ,SS
TT X50E 10s, HC3-Sx

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03-16-2012 12:05 PM  6 years agoPost 271
love for scale

rrVeteran

Omaha, Nebraska U.S.A.

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I fly with hover pitch at mid stick. But probally should adjust all 3

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03-16-2012 02:17 PM  6 years agoPost 272
DEMONjoe

rrApprentice

Germany

My Posts: All  Forum  Topic

No matter if stick center is hover position or 0°: if not adjusting all rods in the proper way, the collective will change.

Joachim

CAPTRON Electronic GmbH
- bavarianDEMON/HeliCommand Support Team -

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03-16-2012 03:27 PM  6 years agoPost 273
GetToDaChopper

rrElite Veteran

Las Vegas , NV

My Posts: All  Forum  Topic

turnbuckles would greatly help in making that change as small as possible

the only way to "fine tune" and well worth the cost.........

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03-16-2012 04:06 PM  6 years agoPost 274
love for scale

rrVeteran

Omaha, Nebraska U.S.A.

My Posts: All  Forum  Topic

So the proper way would be to adjust equally, then check pitch. Correct? Where can I get those turnbuckles? Greg

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03-16-2012 04:12 PM  6 years agoPost 275
rbort

rrProfessor

Franklin, MA - USA

My Posts: All  Forum  Topic

The way I do it
Is I just fly the model and see what it needs and fix it on the field. In other words, if I set it to +/- 13 degrees on the bench and go fly, I will find out a couple of things:

a) it may climb faster upright than inverted
b) Captain Rescue may rise faster in upright mode than in inverted
c) The helicopter might hover upright at 60% throttle and inverted at 30% throttle.

So I take the links going to the head (assuming its hands off not drifting in a hover), and shorten them by 1 turn each to put more negative pitch throughout.

The I test a, b, and c and when the engine loads the same at full power climbouts inverted or upright, rescue rises about the same, and hover is say at 65%/35%, then I'm happy and the setup is done.

I can go home and put a pitch guage on it if I want. and find that it may be +12.5, -13.5, but it is what it is I won't change it the heli flies perfect at the field I don't care what the pitch guage says.

Pitch guages are for initial setup on the bench, but final setup on the field has the last word. In fact, I can setup a helicopter on the bench with NO pitch guage, just eyeball it, and go fly and fine tune it on the field. Its really not that essential for me.

-=>Raja.

MA 1005 Hanson 280, 4220 flts
Spectra 27 3DMax, 3310 flts
Whiplash V1-2 Hanson 300, 1618 flts
Whiplash V2 Hanson 300, 473 flts

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03-17-2012 02:29 AM  6 years agoPost 276
jondabear

rrNovice

San Antonio TX, USA

My Posts: All  Forum  Topic

+1 on the eyeballin it..........people FREAK when I help them out at the field and I wont use their tools.

Ditto on the Fly By Feel !!!.......been doing it for a few years now.
(Qualifier- I first made sure I knew what I was doing in my SETUP technique and got it down perfect)

Its the ZEN ...WAY.... of proper flight/

Peace!

" I see your KUNG - FOOEY is STRONG.........Is that BEAR style you fly with?"

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03-17-2012 06:28 AM  6 years agoPost 277
GetToDaChopper

rrElite Veteran

Las Vegas , NV

My Posts: All  Forum  Topic

Where can I get those turnbuckles?
i'm using these "Titanium Turnbuckles".......

http://helidirect.com/xtreme-titani...500-p-19615.hdx

they say that they are for a rex 500 but they are perf fit for a mini protos, and even better yet if your using the low FBL head, the swash AND the pitch links are all the same !

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HomeRC & PowerAircraftHelicopterFlybarless Rotor Head SystemsbavarianDEMON › HC3-sx....does it work for you?
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