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Rave ENV 700 › Castle HV160 caught fire today during flight....
02-14-2011 07:11 AM  6 years agoPost 21
Kona Chopper

rrKey Veteran

Kailua-Kona, Hawaii ​USA

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Similar thing happend at out flying field today. But on a brand new "Slick 540" giant scale plane with a huge Hacker motor. The Castle Creations 160HV esc went up in smoke and looked just like the one in your Rave.



Why buy?? when you can borrow and no return

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02-14-2011 02:01 PM  6 years agoPost 22
Pistol Pete

rrProfessor

Seffner, FL

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FWIW...

There are three things things that will kill an electrolytic capacitor, be it individually or a combination of: reverse polarity; over voltage and or heat.

Consider investing on a temp gun.

Do you recall what your current limiting and PWM were set to?

~~Enjoying the hobby one flight at a time~~

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02-14-2011 05:31 PM  6 years agoPost 23
Supercoolheli

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Stillwater, Oklahoma

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i can't recall the PWM but current limit was set to 3.2V/cell (never got even close). I am going to get a heat gun but i had full acess to the controller and i didn't feel the heat at all. I am 110% sure that the failure was not caused by overheat, and i can see no way that it would be reverse polarity either

Eric Olson:
Team SAB USA
Team Pulse Ultra

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02-14-2011 06:33 PM  6 years agoPost 24
Pistol Pete

rrProfessor

Seffner, FL

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but current limit was set to 3.2V/cell (never got even close).
that would be auto cut off.

consider setting that one to 3.5V for me it helps keep battery in the 80% usage range.

current limiting is under same tab and next one down after auto cut off.

I know you did not save graph...Did you save settings?

Excuse the questions as Im gathering data for a project I have going here in relation to failures.

Thanks for patience and replies.

~~Enjoying the hobby one flight at a time~~

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02-14-2011 10:13 PM  6 years agoPost 25
Supercoolheli

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Stillwater, Oklahoma

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no problem! ...i do not know what you mean by saving the settings, as i'd assume i still need the controller to be able to connect to the computer to access those as well, right?

Eric Olson:
Team SAB USA
Team Pulse Ultra

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02-14-2011 11:20 PM  6 years agoPost 26
Pistol Pete

rrProfessor

Seffner, FL

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From main menu in castlelink, under FILE there's save and load settings. If you never saved it, you dont have any to load from hard drive now.

Also the last TAB has SAVE-PRINT.

These later can be shared via email or when using a new ESC, just upload saved settings in order to not have to redo the whole thing.

Or you can run software in demo mode and also see existing settings without having to connect ESC. Say for example if someone wanted to know your settings.

I hope this make sense of its potential usefulness.

I would not chance it connect to PC as is now.

~~Enjoying the hobby one flight at a time~~

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02-14-2011 11:24 PM  6 years agoPost 27
Supercoolheli

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Stillwater, Oklahoma

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oh definately not....the connect wire is not even in one piece...it's frayed and totally destroyed along with the rest of the controller . I'll try to check the saved data later tonight to see if i have any but if i do it'd be only one flight, and that was the first one, when i was only hovering at extremely low RPM so might not be good for comparitive purposes. But as i said i know that the ESC was not put under any strain. It is also obvious by looking at the controller, just take a look at the close up of the caps and the cover "protecting" them.

Eric Olson:
Team SAB USA
Team Pulse Ultra

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02-15-2011 12:14 PM  6 years agoPost 28
Ejeremy

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Bourbonnais,IL

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Wow another sorry to see such a nice heli go up in smoke. I was here and saw this one. Really open my eyes!

https://rc.runryder.com/helicopter/t607466p1/

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02-15-2011 01:01 PM  6 years agoPost 29
Supercoolheli

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Stillwater, Oklahoma

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yeah mine was the first one that I've seen and maybe only the 3rd one I've heard of, although i was aware of the possibility. aftOremore examiniation, it looks like the motor might be alright after a lot of cleaning, but the whole airframe is basically trash from the tail forward

Eric Olson:
Team SAB USA
Team Pulse Ultra

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02-15-2011 02:22 PM  6 years agoPost 30
2004lsc

rrApprentice

Phoenix, AZ

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Sorry man, that sucks!!

Should have bought a Kontronik. Remember when I told you that n esc is the HEART of an electric heli?

I will fly nothing but kontronik. Ive yet to see a post about a Jive going up like that. I mean geez, you had a 160 amp esc in there!!

I blew my capasitors on an old 85hv. Noticed it after a flight. Switched from then on.

This should be a very sad/expensive lesson to all. I hate Castle. I will only fly their cheap esc's in planes now. Planes dont pull the amps a heli does. Kontronik rates their esc low. So n 80+HV can handle almost double the amps. Looks like castles 160 can barely do half!!! So going cheap on an esc just cost you lots n lots of money

Sorry man!!

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02-15-2011 10:09 PM  6 years agoPost 31
Supercoolheli

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Stillwater, Oklahoma

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yeah, i am thinking about switching to Kontronik but probably the 120+, not the 80, unless the 120 would be overkill? I never thought i was going the "cheap" way out with the HV160...sure it's not the most expensive available but that doesn't mean it's the worst...everything can fail at one point or another...i was just unlucky enough for it to my my ESC .

Eric Olson:
Team SAB USA
Team Pulse Ultra

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02-15-2011 10:16 PM  6 years agoPost 32
2004lsc

rrApprentice

Phoenix, AZ

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There is a post on Bert Krammerer's website about the 700e only needing an 80 amp esc. Graphs n all.

I'm not sure if the Env pulls more amps than the 700e. But I wouldnt think u'd need more than the 80+HV. My converted 700e flies perfect with the 80+HV. I havent put the eagle tree logger on it but I will this spring when it gets nice out.

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02-15-2011 10:34 PM  6 years agoPost 33
Ejeremy

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Bourbonnais,IL

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I would think your step up would determine the size of your esc. 12s setup would pull less amps then a 10s setup right?

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02-15-2011 11:23 PM  6 years agoPost 34
2004lsc

rrApprentice

Phoenix, AZ

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I think everyone is flying the Env on 12s.....??

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02-15-2011 11:42 PM  6 years agoPost 35
Santiago P

rrProfessor

South West, Ohio

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Another monday quarterback question:

Eric,
Did you have a fire extinguisher near you when it happened?

santiago

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02-15-2011 11:58 PM  6 years agoPost 36
RappyTappy

rrProfessor

North Denver,​Colorado

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I've always hated seeing escs stuffed inside a airframe. It has always been the weak link in the power system, no matter how much money you got suckered, I mean bought it for. They should be in a well ventilated spot on the heli and personally I think the esc should be metal sheilded so that the flames have less chance to catch the entire heli on fire if it happens to fail. But thats just me, small $ and time to save a lot of $.

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02-16-2011 02:58 AM  6 years agoPost 37
2004lsc

rrApprentice

Phoenix, AZ

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^^^^

ESC the weak link??

Your mistaken my friend!!

You probably thinks its the lipo...or the tail servo

Whats the heart of a nitro? The tail blades?

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02-16-2011 03:17 AM  6 years agoPost 38
Supercoolheli

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Stillwater, Oklahoma

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sorry guys, for some reason i didn't get the notification that people commented . I did not have a fire estinguisher and i got very lucky that there was a beach volleyball sand pit nearby---i will be carrying an estinguisher whenever i go to fly from now on, regardless of people telling me it's over the top .

RappyTappy, The ESC mounted in the frames like that is a design feature by Curtis. It is an excellent place for the controller, as it is open on the sides, as well as subject to the airflow of the main blades.

Eric Olson:
Team SAB USA
Team Pulse Ultra

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02-16-2011 03:45 AM  6 years agoPost 39
2004lsc

rrApprentice

Phoenix, AZ

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Not sure of n electrical fire. But u need a "D" Class extinguisher to put out a lipo fire. And they start at around $800 for a 10lb extinguisher.......

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02-16-2011 05:10 AM  6 years agoPost 40
Footey

rrKey Veteran

Hamilton New Zealand

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I have serious doubts that CC do any real testing before they send ESC's out, I have had three now that have failed from new, never even done a single flight. If you get one that goes they work well but the number of failers out of the box is a bit of a concern. Sure they replace them but it is a pain and costs time and money to send the faulty ones back.

Pick up your game CC and sort out the QC issues.

Life is like a bath, the longer you stay in it the more wrinkled you get.

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Rave ENV 700 › Castle HV160 caught fire today during flight....
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