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T-REX 700 › 800mx 160 EDGE Current Limiting
01-07-2015 02:59 AM  3 years agoPost 1
JJC1988

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Germantown MD USA

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I was wondering which current limiting I should choose with the 800mx and 160 edge esc. Should it be Insensitive 280a or Disabled ? Also Can I run fixed endpoints since I am using the 160 edge esc and keep everything 100. Any help would be greatly appreciated !

Thanks JohnC

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01-07-2015 03:29 AM  3 years agoPost 2
rcflyerheli

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Granbury, TX USA

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What type of flying do you plan to do? Going in governor mode, either the CC internal or whatever your FBL controller has, will give you more constant headspeeds.

In either situation, i would recommend going through the ESC calibration setup. It's not hard, and insures that your TX endpoints are correct.

I run both the Castle internal governor as well as the Vbar governor on both my ICE and EDGE controllers.

As far as current limiting, I would go with insensitive.

Logo 700, Specter 700, Goblin 700, Trex 700DFC, Gaui X7, Logo 690SX, Logo 600SX; Trex 470 Trex 500
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01-07-2015 03:41 AM  3 years agoPost 3
JJC1988

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Germantown MD USA

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Gov.
Thanks . I will be flying Hard 3d . I am using the vbar silver 5.3. So fixed endpoints and throttle calibration will be ok ? That's what I did with my 750mx and 120 . Never had a problem . Also I actually have never used a governor.

Thanks JohnC

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01-07-2015 03:43 AM  3 years agoPost 4
JJC1988

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Germantown MD USA

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Gov.
But I was going to try the governor this time . Just wanted to verify both for which ever way I decide to go .

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01-08-2015 04:18 PM  3 years agoPost 5
ticedoff8

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Morgan Hill, CA. USA

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The VBar has a gov feature, you may want to use it.

It is not recommended to use the "Fixed End Points" in the ESC for a helicopter. The mode is used for fixed wing use case. It can cause instant on and includes a brake to instantly stop the prop.

I suppose if you are super careful, you could program a throttle curve (like a nitro) and the Fixed Endpoint would "work".
But, why bother with that?

The Edge HV has the "white wire" which can be used as the RPM-out and connected to the FBL gyro's RPM-in.
Then, set the Edge for "External Gov" and set the "AUX" for "RPM Out".

The VBar will be able to react faster to changes based on the pilot's input faster then the Edge. The VBar gov is "proactive" vs the ESC gov which is "reactive".

You still need to go through the Edge's end-point calibration process; otherwise, the ESC may not arm or you may get a "kick" as the motor starts up.

If you do not want to use the VBar's gov, then set the ESC to one of the two "gov" modes. I use "gov high".
Then, you can program the ECS for 3 different motor RPM. Each RPM is selected based on the throttle input
Between 30% and 59%, RPM1
Between 60% and 99%, RPM2
At 100%, RPM3

Believe 1/2 of what you see and none of what you hear.
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01-09-2015 04:41 AM  3 years agoPost 6
rcflyerheli

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Granbury, TX USA

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If you choose external gov in the castle link software, you have to use fixed endpoints, as it is the only selection available. I am pretty sure ticedoff8 was referring to first selecting helicopter mode and then selecting fixed endpoints, vs gov mode.

External gov in the Castle software refers to something other than using the built in Castle gov such as the Vbar gov or the Ikon gov, etc.

Logo 700, Specter 700, Goblin 700, Trex 700DFC, Gaui X7, Logo 690SX, Logo 600SX; Trex 470 Trex 500
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01-09-2015 05:42 PM  3 years agoPost 7
knightofcarnage

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chicago

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I was wondering which current limiting I should choose with the 800mx and 160 edge esc. Should it be Insensitive 280a or Disabled ? Also Can I run fixed endpoints since I am using the 160 edge esc and keep everything 100. Any help would be greatly appreciated !
Keep the default setting. Even what 850MX pushing 8hp+ its hard to go over 160A. Most of the time you will be pulling 40 to 80 amps.

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01-09-2015 05:49 PM  3 years agoPost 8
JJC1988

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Germantown MD USA

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700e
Ok Thanks to all. I am currently in the gov mode and I did my throttle calibration everything works . I ran fixed endpoints on my 750mx with my 120 ice 2 and never had a problem as to I flew with a 0 100 curve then 100 across. I always flew in idle up . I will give the Castle gov a chance and see how it goes . So Im guessing by default you mean insensitive 280a.?

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01-09-2015 06:46 PM  3 years agoPost 9
rcflyerheli

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Granbury, TX USA

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I am not positive, but I don't think the default value is insensitive, but a lower value.

Logo 700, Specter 700, Goblin 700, Trex 700DFC, Gaui X7, Logo 690SX, Logo 600SX; Trex 470 Trex 500
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01-09-2015 06:46 PM  3 years agoPost 10
JJC1988

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Germantown MD USA

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700e
Ok thank you .

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01-09-2015 06:50 PM  3 years agoPost 11
dkshema

rrMaster

Cedar Rapids, IA

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Castle recommendss INSENSITIVE or DISABLED for helicopter use, with regard to current limit.

I have also used the helicopter, fixed endpoints throttle setting for years, it works just fine. Ticedoff is not correct when he states this is an airplane only mode.

When the helicopter fixed endpoint throttle mode is selected, the BRAKE is DISABLED and non functional. It is a recommended throttle mode for helicopters. As a matter of fact, prior to using either of the Governor modes, you need to select the fixed endpoint setting, then CALIBRATE your TX throttle range to the ESC. Soft start in Helicopter Fixed endpoint mode works very well, with no surprises.

-----

The AIRPLANE ONLY mode for the CC ESCs is what they ship with as their default, and that is AutoCalibrate mode. This IS an airplane only mode, and if used, the brakes are enabled. The worst part about the AutoCalibrate mode, is that each time you fire up the ESC, you are required to go to full throttle for about two seconds and back down again, so the ESC can re-learn the throttle range.

In fixed endpoint mode, you calibrate the TX/ESC throttle range once and the ESC "remembers" from then on.

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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01-09-2015 07:06 PM  3 years agoPost 12
JJC1988

rrApprentice

Germantown MD USA

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700e
I agree . Thanks for all the help !

JohnC

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01-09-2015 08:53 PM  3 years agoPost 13
ticedoff8

rrKey Veteran

Morgan Hill, CA. USA

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Not to get off topic, but I'd like to point out that as of version 4.02, the CC Edge HV controllers do include an "External Gov Mode"

http://www.castlecreations.com/down...rh-phoenix.html

4.02 Beta 09/12/12

Functional Improvement: Added "External Governor Mode". This throttle mode is intended to be used with V-Bar units that have a built in governor. Click on blue question mark next to Vehicle Type in the Throttle section of CastleLink for full details.

As I said, do not used "fixed end point" when using an external gov.

Believe 1/2 of what you see and none of what you hear.
Fake News will be the downfall of our Republic!

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01-09-2015 09:15 PM  3 years agoPost 14
JJC1988

rrApprentice

Germantown MD USA

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700e
So your saying I can Run the white wire from the esc to the vbar gov sensor slot now and not need a phase sensor just use the external gov mode. Then go set up the vbar gov.

Thanks JohnC

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01-09-2015 10:20 PM  3 years agoPost 15
ticedoff8

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Morgan Hill, CA. USA

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If you are using the Castle Creations Edge HV with the latest firmware (4.22) then yes, that is 100% correct.

I use this on my Trex 600E with the Edge HV 120 with a Skookum SK-540 gyro.

I have experimented with "External Governor Mode" and "Multi-Rotor Mode" on my SK-540.

In either mode, the default "autorotation bailout" is disabled in the ESC and cannot be enabled.

But, the SK-540 and VBar each have their own internal "bailout" mode. And these work well.

If you use "External Gov Mode" in the ESC, the actual bailout becomes pretty wimpy.
Basically, the gyro does its bailout soft-start and the ESC does its own soft-start.
Between the two, it is a crap shoot whether you will bailout or land.

In "Multi-Rotor Mode", the ESC does not have a soft-startup.
So, the gyro's bailout throttle curve translates to an immediate response from the ESC.

The problem with this is if initial start throttle curve on the gyro is too aggressive. It can cause the heli to "kick" at initial spool up.
The guys at Skookum worked hard to fix it, and it is very clean now.

But, the "External Governor Mode" works great if you are not planning to do bailouts.

Believe 1/2 of what you see and none of what you hear.
Fake News will be the downfall of our Republic!

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01-09-2015 10:24 PM  3 years agoPost 16
JJC1988

rrApprentice

Germantown MD USA

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700e
Thanks for the information . Very Helpful .

JohnC

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01-09-2015 10:31 PM  3 years agoPost 17
rcflyerheli

rrKey Veteran

Granbury, TX USA

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At least with Vbar (which is what I have and have programmed), the bailout isn't an immediate hard start, so they developed the bailout with idle function, which will take your headspeed down to a very low value (low enough that you won't be getting any effective motor/blade lift during autos, but your blades are not actually stopped) so that if you do bail out, it will be a more rapid spoolup.

Ticedoff8 was referencing firmware updates for ICE 2 HV controllers, I believe. I think when Castle came out with the Edge units, it was designed from the get-go with external governor functions in mind.

Logo 700, Specter 700, Goblin 700, Trex 700DFC, Gaui X7, Logo 690SX, Logo 600SX; Trex 470 Trex 500
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