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Other › Who uses the CC Built-In-Governor
01-26-2007 05:57 AM  10 years agoPost 61
eyeflyhelis

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charlotte nc

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changed throttle responce from 5 to 2 much better throttle action but not high enough RPM also sawpped to a fresh TP 2100.

only you have the power to make no difference!

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01-26-2007 06:06 AM  10 years agoPost 62
eyeflyhelis

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charlotte nc

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ok so right now im at throttle responce 5
original throttle set points
gov on low & 94.5% to hit close to my desired RPM 2950 im still around 28ish hard to stick the gauge on by myself
im running a nedusa 28-32-3400

going back to gov high

only you have the power to make no difference!

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01-26-2007 06:14 AM  10 years agoPost 63
eyeflyhelis

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charlotte nc

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ARUGGGHHHHH!!!
back on high i get full throttle at 3/4 stick agian and its there until i go to my 0 position.

only you have the power to make no difference!

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01-26-2007 11:32 AM  10 years agoPost 64
murp

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Nova Scotia, Canada

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I haven't been following this whole thread, so sorry if this has been covered before.

Have you made sure to set your throttle endpoints with the ESC in fixed throttle mode first?

I would recommend using the standard timing initially, also the throttle response should be set to the lowest setting when using gov mode.

I should also mention that in GOV mode the LED will come on when the target RPM has been reached - it does NOT indicate full throttle.

Here are some instructions I wrote from another thread:
You want to have your ESC run at 70% throttle at your desired head speed for it to operate most efficiently, basically it will run cooler. Also you want your motor to run the fastest at this point so you should pick the lowest tooth pinion that works.

To do this you can change your gearing by selecting the correct pinoin to get you close. I would recommend making sure that your TX endpoints are matched to your ESC. In fixed throttle mode adjust your lower endpoint so the ESC just arms and the upper endpoint so that the full throttle LED just comes on solid. Now tach your heli at 75% throttle (while in fixed throttle mode), if you get the head speed you want then you are golden. Just switch over to governor mode and adjust the TH point until you reach your desired headspeed again (I find that it doesn't end up being 75% oddly enough), that's it! This also makes sure that you have some head room for the ESC to increase the throttle to recover from heavy loads - and that is another big plus of setting it up this way.

I guess the point to all this is that gearing is important when setting up the ESC. Because ultimately if you are running the right pinion for the headspeed you want this stuff almost works itself out. But you want to avoid running a pinion with too high a tooth count at low throttle - hard on your motor and ESC. Running a pinion with too low a tooth count maxes your motor and ESC out so that there is little reserve power to recover from heavy loads.

The other minor point here is that you must setup all this stuff in fixed throttle mode. In governor mode the TH% does not relate linearly to the ESC TH%. For example, 50%TH in governor mode gives me 2400RPM which is close to 75-80% in fixed throttle mode. If Joe Ford is still kicking around perhaps he can verify that I have this correct - this is what I noticed from using CC ESC's.

BTW - you may already be operating very close to this already - I found that my setup was pretty good but making sure your TX endpoints match the ESC is good form IMO.

Anyhow, I hope this is useful.

cheers,

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01-26-2007 01:54 PM  10 years agoPost 65
KamikaziRcPilot

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Cincinnati, OH

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I emailed Castle this morning to get clarification on the l.e.d. while in governor mode. I've always been curious about that aspect of it. I'll post their reply.

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01-26-2007 02:22 PM  10 years agoPost 66
FOX222

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Atlanta, Ga. (Actually Buford)

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ARUGGGHHHHH!!!
back on high i get full throttle at 3/4 stick agian and its there until i go to my 0 position.
It sounds like your setup requires "full throttle" to hold this rpm.

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01-27-2007 12:58 AM  10 years agoPost 67
eyeflyhelis

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charlotte nc

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murp yes if you read the whole thing i had it working perfectly before tuning gov on

only you have the power to make no difference!

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01-27-2007 01:02 AM  10 years agoPost 68
eyeflyhelis

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charlotte nc

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FOX222 in fixed mode i hit it around 78% throttle, in gov it should go full tilt unless i understood something wrong
i can fly it in low gov but its full throttle there & it shouldn't be. thats why i wentto gov high. besides i have the same setup as KamikaziRcPilot. and my ptich is by the book. 5-5.5 at hover 12 at full & -12 full negative

only you have the power to make no difference!

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01-27-2007 12:25 PM  10 years agoPost 69
murp

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Nova Scotia, Canada

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just switched over to gov low and gotto 80% not at my desired RPMswapped to gov high and at 0 0 0 0 i still hit solid red light on the ESC at 3/4 stick??????
What do you mean gov high at 0 0 0 0?

When I setup my gov mode I setup one of my IDLE modes to have 0 pitch across the board and then put the stick in the lowest position and adjust that throttle point to set the speed. You spool up the heli say at 50%, check the headspeed, increase or decrease the throttle point as necessary. (Oh I use throttle hold to start and stop the heli, put zeros in all the other throttle points except the first one which you are adjusting.)

Once you find the throttle percentage (lets call it TH) that gives you the RPM you want you configure normal mode as 0 TH TH TH TH and IDLE1 as TH TH TH TH TH.

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01-30-2007 03:01 AM  10 years agoPost 70
eyeflyhelis

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charlotte nc

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i mean i set my throttle increments to (0) all the way across the board (all 5 points)

only you have the power to make no difference!

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01-30-2007 03:05 AM  10 years agoPost 71
eyeflyhelis

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charlotte nc

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and this is a jr 8103 radio so its acutally 5 pionts set to 0 ot TH as you put it.

i understand this as i should have 100% thtrow on my stick to hit 100% ptich and the throttle gov should hold the RPM. however at 80% throw on my stick it turm the LED solid red. therefore telling me at 80% stick im at 100% throttle available.
or so i believe and thats why i stopped. at 100% i can run at 101% (give or take alittle) i run the risk of smoking my ESC

only you have the power to make no difference!

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01-30-2007 11:39 AM  10 years agoPost 72
murp

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Nova Scotia, Canada

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To clarify:

Tx throttle point matching
--------------------------
1) Your ESC and Tx throttle endpoints will not likely match up as is. The first step is to adjust your throttle endpoints to make sure they match the ESC o% and 100%. To do this you put the ESC in fixed heli mode. Then setup a linear throttle curve and a pitch curve that gives you 0% pitch thoughout the range (this setup is temperory and only for doing this part of the setup). Set both throttle endpoints to 50 to start. Restrain your heli and power it up. Adjust your lower endpoint until youe ESC arms, then add a few more points for good measure. Now bring your stick up to full throttle. Increase the upper endpoint until the ESC LED lights. Now 0% and 100% on your Tx matches 0% and 100% on your ESC.

Gearing check
-------------------
2) In this step we need to ensure that your gearing is setup correctly. To do this we check that you get the desired headspeed around 75% (anywhere between 70 and 80% is fine). I do this by using a 0deg. pitch curve across the board and then setup a throttle curve like this 0-0-0-0-40. No restrain your heli, grab your tach and power it up. (Your ESC should still be in fixed throttle mode). After the ESC has armed move the stick to full throttle and have someone tach the head speed. Slowly increase the last throttle point until you reached the desired head speed. Whas the TH point between 70 and 80? If so then you gearing is good, time to turn on the governor mode.

Governor mode setup
-------------------
3) Configure your ESC to use gov. high mode. Continue to use the 0deg. pitch curve and a 0-0-0-0-40 throttle curve. Fire up the heli with your tach, go to full stick and adjust the last throttle point until you reach your desired headspeed (remember it takes a fraction of a second for the ESC to respond to the change in throttle). It will not be the same number found in the last step, lets call this number THGOV. The throttle point in fixed throttle mode do not match those in governor mode - their relation is unknown. But in my experience you will end up between 50 and 65. If you can't achieve the headspeed in high gov, try again in low gov mode.

4) setup a normal mode with a 0-THGOV-THGOV-THGOV-THGOV throttle curve and a linear pitch curve. Setup a IDLE mode with a flat throttle curve at THGOV and a linear pitch curve. Go fly.

I hope this helps clarify - it works - I know because all my helis use this setup

Cheers

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01-30-2007 05:00 PM  10 years agoPost 73
eyeflyhelis

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charlotte nc

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murp if you read what i have written above you would see this was done
1) Your ESC and Tx throttle endpoints will not likely match up as is. The first step is to adjust your throttle endpoints to make sure they match the ESC o% and 100%. To do this you put the ESC in fixed heli mode. Then setup a linear throttle curve and a pitch curve that gives you 0% pitch thoughout the range (this setup is temperory and only for doing this part of the setup). Set both throttle endpoints to 50 to start. Restrain your heli and power it up. Adjust your lower endpoint until youe ESC arms, then add a few more points for good measure. Now bring your stick up to full throttle. Increase the upper endpoint until the ESC LED lights. Now 0% and 100% on your Tx matches 0% and 100% on your ESC.

only you have the power to make no difference!

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01-30-2007 05:02 PM  10 years agoPost 74
eyeflyhelis

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charlotte nc

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Gearing check
-------------------
2) In this step we need to ensure that your gearing is setup correctly. To do this we check that you get the desired headspeed around 75% (anywhere between 70 and 80% is fine). I do this by using a 0deg. pitch curve across the board and then setup a throttle curve like this 0-0-0-0-40. No restrain your heli, grab your tach and power it up. (Your ESC should still be in fixed throttle mode). After the ESC has armed move the stick to full throttle and have someone tach the head speed. Slowly increase the last throttle point until you reached the desired head speed. Whas the TH point between 70 and 80? If so then you gearing is good, time to turn on the governor mode.
did this also and i cant gear anymore i was at 92% to get my desired throttle and im using a 13t on a medusa motor

only you have the power to make no difference!

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01-30-2007 05:03 PM  10 years agoPost 75
murp

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Nova Scotia, Canada

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why can't you gear anymore? couldn't you try a 14T pinion?

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01-30-2007 05:04 PM  10 years agoPost 76
eyeflyhelis

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charlotte nc

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3) Configure your ESC to use gov. high mode. Continue to use the 0deg. pitch curve and a 0-0-0-0-40 throttle curve. Fire up the heli with your tach, go to full stick and adjust the last throttle point until you reach your desired headspeed (remember it takes a fraction of a second for the ESC to respond to the change in throttle). It will not be the same number found in the last step, lets call this number THGOV. The throttle point in fixed throttle mode do not match those in governor mode - their relation is unknown. But in my experience you will end up between 50 and 65. If you can't achieve the headspeed in high gov, try again in low gov mode.
thats what i keep saying even if im at 0-0-0-0-1 it still exceeds my head speed at 3/4 stick.

but in gove low im at 0-0-0-0-95 to get my desired headspeed
using a freshly charged lipo TP or APEX makes no difference.

only you have the power to make no difference!

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01-30-2007 05:12 PM  10 years agoPost 77
murp

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Nova Scotia, Canada

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Then use gov mode low and try a 14T pinion.

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01-30-2007 06:47 PM  10 years agoPost 78
FOX222

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Atlanta, Ga. (Actually Buford)

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eyeflyhelis,
Not trying to sound derogatory, but I do not think your end points are set correctly. If my curve is at 0-0-0-0-0 (in gov mode)my motor is not running. And you should not set up a curve with different numbers like 0-0-0-0-95. The throttle sets the head speed and should not change with stick movement.

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01-30-2007 09:05 PM  10 years agoPost 79
eyeflyhelis

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charlotte nc

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calculation say that a 13t on that motor will pull 33 =/- amps. 14t will fry my esc. i'm going back through all settings again tonight to see if i get different results. in fixed mode the points are set EXACTLY how the directions say to do it.
doing it tonight w/ CC on the phone or KK

only you have the power to make no difference!

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01-31-2007 11:37 AM  10 years agoPost 80
eyeflyhelis

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charlotte nc

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ok went through all set ups again last night w/
KamikaziRcPilot. when we started i had all the same settings as he did except for initial start speed mine was 59 his was 40.

started by resetting to all factory presettings, then switched to fixed heli mode and set throttle settings. new numbers were 1% difference from my old #'s.
checked the rpm range and got my desired rpm around 80%.
switched to low gov and rpms were around 95% again. lowered my set points to 0-5-5-5-5 & went to high mode.
in high mode i was low on rpm so with the throttle/pitch at the #2 (middle) position (blades unloaded) i started to slowly raise the number. at 30% i got 2600rpm so i marked this down and proceeded to set my idle up speed
at 45% i got 2900 rpm. marked it down.
unplugged heli
went back into radio & set the normal mode to 0-30-30-30-30
& idle up modes to 45-45-45-45-45

the only difference i saw between the set ups i had done and the ones done with KamikaziRcPilot was in the beginning. i think i set my throttle high cut off & low cut off with out turning the radio off in between. but i did it exactly how my directions said to.
SOMETHING I NOTICED. my original directions were from a version 1.1 software. YEP 1.1 the first version. so if your doing this and have troubles download the newest version of directions from the web site.

only you have the power to make no difference!

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