Autorotation Spool up?

[CrashAddict]

This is a question and a bump. In general, for this to work, you have to do it one of two ways. You can disable the softstart in the ESC and allow your FBL to handle it. Or you have to adjust your throttle hold so that the ESC doesn't see 0% throttle and go into soft start. Depending on your ESC, FBL, radio combo you can do one, all, or none of these. From the sounds of it. Skookum doesn't have any special soft start auto bailout programming like VBAR and BRAIN so you have to somehow get the ESC and FBL to not think you are hitting TH. Is that the methodology. I can't see what the issue is other than safety.

[Gregor99]

Originally Posted by CrashAddict

Or you have to adjust your throttle hold so that the ESC doesn't see 0% throttle and go into soft start. .

Can't be done. The Skookum soft start requires negative 15% throttle. So no matter what you do, you are past 0 and the ESC soft start is triggered.

[CrashAddict]

Ok, so that is sort of unique then to Skookum. I sort of get it. Skookum uses the -15 to trigger it's soft start. So, if you use that then, you have to be able to disable the soft start in the ESC. All the times I have tried to get this to work on other controllers I have never felt safe with it. I don't like the IKON method which can trigger hard starts on the ground if you are not careful. With this I can see how you might get the same thing. I dunno.

[Gregor99]

Originally Posted by CrashAddict

you have to be able to disable the soft start in the ESC. All the times I have tried to get this to work on other controllers I have never felt safe with it.

Agreed. You have to be in multrotor mode for it work. As you noticed, that bypasses the safeguards with ESC based soft start. IMO that is not an acceptable configuration. Not only does it require 100% trust in the Skookum, it also requires 100% trust in the ESC and 100% accuracy of operation from the user.

[georgi UK]

=] it's working with rewritten proprietary esc firmware code, ramping up from TH off with no delays. Maybe we need a small beta team in here? PM me for details.........

[omerco]

Guys please be accurate - from what i remember you need to have -10 or south in the software for the bailout. Known issues are it will not work with Castle,Yge,Scorpion and all other ESC's which need positive non zero value to not trriger SS again, unless you cancel the SS

[MichaelChad]

Cats out of the bag I guess? LOL

Yes, we have been working on adapting BLHeli to work specifically with normal Soft Start and Skookum style auto bailout. By the way, I'm talking about an actual SOFT start, with ZERO kick, and a very smooth ramp. There are still a few small kinks to work out, but no fire starters or anything, Stephen left a very good substrate to begin with. Just some situations in which SS doesn't re-enable and should, or visa versa shouldn't and does. I've been flying/testing it on my $$$$$$ Gaui X8 stretch if that tells you anything about it my confidence in in or how near it is to completion. I have it installed on a Hobbywing 120a HV v2 right now, but when I'm finished testing, the code will plug into any of BLHelis current list of supported ESCs. Look for a thread I'll be starting in this forum soon.

Originally Posted by georgi UK

=] it's working with rewritten proprietary esc firmware code, ramping up from TH off with no delays. Maybe we need a small beta team in here? PM me for details.........

[georgi UK]

Originally Posted by MichaelChad

Cats out of the bag I guess? LOL

=] perfect timing here, looking forwards to the (at last!) thread Michael!

[omerco]

Guys thats great -for you -but not a real solution for all the above ESC's. I think its time for SK to give us a real solution similar to the Vbar one.
I was writing Art about it a year and a half ago. I'm surprised the only solution they had till now is the -10 which will work only if i give up my SS which i will not do

[sl4ppy]

Any update on this? Winter put this on the back burner or a while..

I agree with the previous sentiment. Not being able to have a reliable softstart and an auto bailout is pretty big deal.. All my ESCs are YGE so BLHeli, etc isnt an option...

[omerco]

I discovered that for some reason i have bailout with my scorpion 160.
Maybe because TH set to -10 is far enough from 0.
Small chance it Might work on YGE as well?

[boltor]

Originally Posted by omerco

Guys please be accurate - from what i remember you need to have -10 or south in the software for the bailout. Known issues are it will not work with Castle,Yge,Scorpion and all other ESC's which need positive non zero value to not trriger SS again, unless you cancel the SS

Has there been an update / change on this? Given I have a Castle ESC and use SK720, does that continue to mean that I have no ability to get a rapid spoolup to recover from auto?

[omerco]

No change. You have the option of canceling the SS.

[boltor]

Originally Posted by omerco

No change. You have the option of canceling the SS.

thanks, however can you elaborate a little? How do you cancel SS, and is this a good idea?

[omerco]

you do that by using "Multirotor" mode instead of using "ext gov". that one has no soft start and all the spool-up is controlled by SK gov.

I don't use it. i think it is less safe and also the internal SS is better then SK one.

[sl4ppy]

Originally Posted by sl4ppy

Any update on this? Winter put this on the back burner or a while..

I agree with the previous sentiment. Not being able to have a reliable softstart and an auto bailout is pretty big deal.. All my ESCs are YGE so BLHeli, etc isnt an option...

Resurfacing this again as I just can't believe this doesn't exist/work...

I started from scratch in setting up everything this weekend. I'm running a YGE 90LV with the 720be governor. When I activate ThrottleHold, the throttle input value shown in the Skookum FBL setup software reads -15%; exactly the value Georgi indicated some time ago for this to work.

I engage throttle hold and begin an autorotation. A few seconds later after descending about half of my autorotation distance (a few hundred feert), I disable throttle hold and wait patiently for the motor to spool back up. It DOES eventually spool back up, but it takes a good 5-10s to reach full RPM again and almost always just as I would touch down on the ground.. This essentially renders the autorotation bailout useless.

Is there a way to increase the bailout spool up?

[Gregor99]

Originally Posted by sl4ppy

Resurfacing this again as I just can't believe this doesn't exist/work...

I started from scratch in setting up everything this weekend. I'm running a YGE 90LV with the 720be governor. When I activate ThrottleHold, the throttle input value shown in the Skookum FBL setup software reads -15%; exactly the value Georgi indicated some time ago for this to work.

I engage throttle hold and begin an autorotation. A few seconds later after descending about half of my autorotation distance (a few hundred feert), I disable throttle hold and wait patiently for the motor to spool back up. It DOES eventually spool back up, but it takes a good 5-10s to reach full RPM again and almost always just as I would touch down on the ground.. This essentially renders the autorotation bailout useless.

Is there a way to increase the bailout spool up?

Is softstart enabled on your ESC? I am not suggesting your disable it.

[sl4ppy]

Originally Posted by Gregor99

Is softstart enabled on your ESC? I am not suggesting your disable it.

TBH, I'm not really sure. Setting up the YGE is convoluted at best and there is no obvious "soft-start option" when you enable the external governor.. I set up the ESC as per the instructions if you were using a V-Bar governor, and they go something like this.

YGE External Governor Programming Video (12 min 44 sec)

Everything else about the governor works perfectly. Most YGE external governor posts related to soft-start are complaints that there isn't an ESC soft-start while using an external governor, but I'm not totally clear on the details.

[heathy]

Hi sloppy.

Can you tell me what your prog card settings are?

Page 2

Heli slow/ middle etc
Plane fast?



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[heathy]

Also start up speed. 2%?


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