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Old Feb 05, 2013, 07:18 AM
Multirotor Anonimous Member
Puerto Rico, Hatillo
Joined Sep 2012
165 Posts
Quote:
Originally Posted by jetbootz View Post
yes I have. it rocks... !

all the ESCs in the photos in the post I made above were flashed with this item

beware though. ... pressing down with just the right amount of force is needed, not too much not too little its a real nack you have to get going. I actually thought it was broken first as it didnt seem to flash or even connect.. but after a while i got it. perseverance is needed..
Great tool, agree with jetbootz about the amount of pressure required to establish a good connection. Whenever I place the tool on the chip I would get a sound from the computer like the sound Win7 makes whenever a device is connected to an usb port in the pc. This helps me to determine I have a good connection, and when the connection breaks the pc will make the sound just like when something is unplug from an usb port. Hope this tip helps.
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Old Feb 05, 2013, 08:29 AM
VOLTS > AMPS
stgdz's Avatar
United States, MN, Buffalo
Joined Jul 2011
3,866 Posts
So I desoldered my motor wires on my esc for my f30's.


How much heat can those FETs handle? One of them got a little hot when I desoldered it. Couldn't pass the three second finger rule. So I cooled it off with a sponge.
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Old Feb 05, 2013, 03:05 PM
Flying Wood For Fun
irun4fundotca's Avatar
Canada, ON, Harrowsmith
Joined Jan 2012
7,049 Posts
just a guess but without current flowing in them at the same time I would think much more than when in use ,your probably safe

Quote:
Originally Posted by stgdz View Post
So I desoldered my motor wires on my esc for my f30's.


How much heat can those FETs handle? One of them got a little hot when I desoldered it. Couldn't pass the three second finger rule. So I cooled it off with a sponge.
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Old Feb 05, 2013, 11:46 PM
Registered User
Philippines, Central Luzon, Marilao
Joined Jun 2008
552 Posts
Hi I noticed that the turnigy f50 is not included in esc compatible for simonk fw? is this just an accident they missed out or I really cant flashed the f50 with simonk?
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Old Feb 05, 2013, 11:59 PM
Flying Wood For Fun
irun4fundotca's Avatar
Canada, ON, Harrowsmith
Joined Jan 2012
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Can anyone recommend a good size of heatshrink that will work for say a plush 40a?
I have 50mm but i think thats a bit big lol
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Old Feb 06, 2013, 12:27 AM
Registered User
New Zealand, Canterbury, Christchurch
Joined Dec 2012
1,420 Posts
I use 25mm on the HK BlueSeries 30A and it's plenty big enough. Compare sizes on HK and if they are close/the same then 25mm will work
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Old Feb 06, 2013, 12:32 AM
Flying Wood For Fun
irun4fundotca's Avatar
Canada, ON, Harrowsmith
Joined Jan 2012
7,049 Posts
Thanks

check out this cool pattern
In black
http://www.ebay.ca/itm/X-Tube-Heat-S...item460c804f63

or in yellow,green,blue,red
http://www.ebay.ca/itm/X-HEAT-SHRINK...item2a28de6967

it would look good on a quads matching color scheme
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Last edited by irun4fundotca; Feb 06, 2013 at 12:41 AM.
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Old Feb 06, 2013, 08:38 AM
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LittleMo's Avatar
United States, VA
Joined Dec 2006
1,491 Posts
Buying the correct size heat shrink is annoying. Some places list the size before it's shrunk and others list it as the size it shrinks to.

As WendoNZ mentioned above, the shrink I have gotten from Hobby King seems to list it as the size it shrinks to. The un-shrunk size you get is around twice that size.

Other places could vary so you have to look to see if they say which size they are referring to. Many don't say at all so it's a gamble. Like I said, annoying.
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Old Feb 06, 2013, 09:12 AM
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willy163's Avatar
Italia, Piemonte, Strambino
Joined Feb 2010
179 Posts
Hi everybody.

Uh... what a HUGE discussion!
I've a question.

I've bought this ESC:
Turnigy Multistar 20 Amp Multi-rotor Brushless ESC 2-4S (OPTO)
This is the cheapest OPTO version I've found.
I've seen in supported ESC list that non-opto version is supported.
Question is: does anybody own this (also non-opto version)?
Are there real improvements using SIMONK FW in Turnigy Multistar ESCs?

Once arrived, I can dismount mine and do a reverse engineering.

Thank you,
Willy.
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Old Feb 06, 2013, 10:25 AM
Hexapilot
Germany, BY, Munich
Joined Mar 2012
93 Posts
Quote:
Originally Posted by willy163 View Post
Hi everybody.

Uh... what a HUGE discussion!
I've a question.

I've bought this ESC:
Turnigy Multistar 20 Amp Multi-rotor Brushless ESC 2-4S (OPTO)
This is the cheapest OPTO version I've found.
I've seen in supported ESC list that non-opto version is supported.
Question is: does anybody own this (also non-opto version)?
Are there real improvements using SIMONK FW in Turnigy Multistar ESCs?

Once arrived, I can dismount mine and do a reverse engineering.

Thank you,
Willy.
Do you really believe that ESC has a real optocoupler??? Forget it, I would be surprised, all the other HK ESC, Maytech and RCTIMER <40A at this low price tag have NO OPTO.
All this ESC have NO BEC components on the board and HK calls them 'OPTO' to confuse the customer.
See my other post here:
http://www.rcgroups.com/forums/showthread.php?t=1807625
YES please post pictures of the board as soon you get it.
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Old Feb 06, 2013, 12:11 PM
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willy163's Avatar
Italia, Piemonte, Strambino
Joined Feb 2010
179 Posts
Quote:
Originally Posted by hexacop View Post
Do you really believe that ESC has a real optocoupler??? Forget it, I would be surprised, all the other HK ESC, Maytech and RCTIMER <40A at this low price tag have NO OPTO.
All this ESC have NO BEC components on the board and HK calls them 'OPTO' to confuse the customer.
See my other post here:
http://www.rcgroups.com/forums/showthread.php?t=1807625
YES please post pictures of the board as soon you get it.
Damn... I hope it's not just an illusion...
Anyway, as soon I get it I'll post a very detailed picture.
If I have time, I'll put it inside our Flying Probe tester to reverse engineer it.
Unlikely, here in Italy custom inspections are terrible, so I have to wait up to one month (!!!) to receive my order from HK.

But... my question is still there: is there a real performance improvement flashing Turnigy Multistar ESCs witk Simonk FW?

Thank you everybody.

Willy.
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Old Feb 07, 2013, 02:04 AM
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TNboy's Avatar
Melbourne Australia
Joined Jan 2004
410 Posts
G'day all, Am I correct in saying, that if I flash my Multistar 45amp ESC with the kda.hex file, I will no longer be able to use the Multistar programming card.?

If that's true how would I set say the cutoff voltage or brake type etc etc ?

Many thanks for the learned replies..
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Old Feb 07, 2013, 02:49 AM
Hexapilot
Germany, BY, Munich
Joined Mar 2012
93 Posts
Quote:
Originally Posted by TNboy View Post
G'day all, Am I correct in saying, that if I flash my Multistar 45amp ESC with the kda.hex file, I will no longer be able to use the Multistar programming card.?

If that's true how would I set say the cutoff voltage or brake type etc etc ?

Many thanks for the learned replies..
Yes, you are right, as soon you flash it, all of the previous features are gone but you get other benefits, see Simonk description on https://github.com/sim-/tgy
The only thing you will be able to change is the throttle min/max values.
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Old Feb 07, 2013, 04:56 AM
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TNboy's Avatar
Melbourne Australia
Joined Jan 2004
410 Posts
Quote:
Originally Posted by hexacop View Post
Yes, you are right, as soon you flash it, all of the previous features are gone but you get other benefits, see Simonk description on https://github.com/sim-/tgy
The only thing you will be able to change is the throttle min/max values.
Thanks so much for reminding me about that page. As I am hoping to solder the ESC's direct to the motors, Am I to believe that the file that is named 'reverse' will reverse the direction of rotation as opposed to the other similar named file but not with reverse in the name ? (just checking I am understanding the text correctly in simon K's notes).

I pretty sure that'll be my last question, and I'll then commit one ESC (I purchased a spare for the flash testing) to the flashing process and report back to the forum.

Once again many thanks.
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Old Feb 07, 2013, 06:20 AM
Registered User
Joined Feb 2011
466 Posts
Hey i got these rctimer 30a preflashed escs, they look different than the old ones?!
or are they just using different fets? can i still use the tgy.hex ?

New



Old and New
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