R/C Tech Forums

Go Back   R/C Tech Forums > General Forums > Electric On-Road

Reply
 
Thread Tools Search this Thread
Old 08-21-2005, 04:20 AM   #1171
Tech Regular
 
Join Date: Oct 2001
Location: Paris - France
Posts: 399
Trader Rating: 2 (100%+)
Default

Quote:
Originally Posted by yellow15
okie i'll try use a lower ratio and hope it'll fix the problem
but i'm just wondering how come even a 12T motor would overheat the VFS-1 ???
Well, It happens to me to have a thermal shut down even with a 23T motor because the program used was not appropriate.

Try to play with the gear ratio and the program of your speedo.
What is the program you are using ?
Ralf is offline   Reply With Quote
Old 08-21-2005, 05:47 AM   #1172
Tech Regular
 
Join Date: Jan 2005
Location: Auckland, New Zealand
Posts: 328
Default

my setting is a bit similar to the modified tech one on the ko website but it's much higher frequency (all values from mid 30- mid 40s)

one more questions..
the current limit. i notice all the settings from the ko website are set at "12" (which i assume is 120A), is it enough for all the modified motor?

Last edited by yellow15; 08-21-2005 at 05:27 PM.
yellow15 is offline   Reply With Quote
Old 08-22-2005, 12:21 AM   #1173
Tech Regular
 
Join Date: Jan 2005
Location: Auckland, New Zealand
Posts: 328
Default

Quote:
Originally Posted by yellow15
the current limit. i notice all the settings from the ko website are set at "12" (which i assume is 120A), is it enough for all the modified motor?
anyone?
is 12 (120A i assume) enough for a 12 turn mod motors? how about a 7-8 turn?
yellow15 is offline   Reply With Quote
Old 08-22-2005, 12:32 AM   #1174
Tech Lord
 
Hebiki's Avatar
 
Join Date: Aug 2003
Location: Chino, CA
Posts: 12,919
Trader Rating: 26 (100%+)
Default

Quote:
Originally Posted by yellow15
anyone?
is 12 (120A i assume) enough for a 12 turn mod motors? how about a 7-8 turn?
yes. you can try higher settings. but it might just overheat the esc. hara uses it
__________________
Hebiki Design Works
Custom R/C Vinyl Graphics & Apparel: Your gear, your way!
Web Design - Web Development - Logo Design - Graphic Design
www.facebook.com/HebikiDesignWorks
Hebiki is offline   Reply With Quote
Old 08-22-2005, 01:02 AM   #1175
Tech Master
 
Join Date: Mar 2004
Location: Earth
Posts: 1,039
Send a message via ICQ to rcnewb2004
Default

Newb question,

The hara twister 2.1 is basically a repackaged VFS-1 ESC right?
If that's the case, do you guys think the hara program that comes with the twister 2.1 will work well with a Peak 10x1 V2 Surikarn Edition Motor?


Thanks for the replies.
rcnewb2004 is offline   Reply With Quote
Old 08-22-2005, 02:45 AM   #1176
Tech Lord
 
Hebiki's Avatar
 
Join Date: Aug 2003
Location: Chino, CA
Posts: 12,919
Trader Rating: 26 (100%+)
Default

Quote:
Originally Posted by rcnewb2004
Newb question,

The hara twister 2.1 is basically a repackaged VFS-1 ESC right?
If that's the case, do you guys think the hara program that comes with the twister 2.1 will work well with a Peak 10x1 V2 Surikarn Edition Motor?


Thanks for the replies.
yes. since surikarn and hara are teammates now.

seriously.. the hara program will be good for any mod motor, the key is finding the proper gearing for your track.
__________________
Hebiki Design Works
Custom R/C Vinyl Graphics & Apparel: Your gear, your way!
Web Design - Web Development - Logo Design - Graphic Design
www.facebook.com/HebikiDesignWorks
Hebiki is offline   Reply With Quote
Old 08-22-2005, 11:47 AM   #1177
Tech Master
 
Join Date: Mar 2004
Location: Earth
Posts: 1,039
Send a message via ICQ to rcnewb2004
Default

hehe, that sounds cool.

So they both HPI drivers now? (sorry if i sound like a complete idiot but the name says it all).

What kind of gearing do you recommend for a shorter tighter track w/ a mod motor?
rcnewb2004 is offline   Reply With Quote
Old 08-22-2005, 12:18 PM   #1178
Tech Champion
 
rc-zombies's Avatar
 
Join Date: Aug 2001
Location: NorCal. Napa area
Posts: 7,212
Trader Rating: 8 (100%+)
Default

Robert..

can we get a replacement Switch...
my soldering iron got a little too close over the weekend..

and also none VFS-1 related...looked throughout the KO website.
are replace servo cases available...need one for the 2364

lmk thanks
__________________
HB WCE HARA EDITION CYCLONE: LRP Sphere TC, KO 2363 digital servo.
HB HARA EDITION PRO4: Gone to a new home..

SPEEDTECH|FUTABA|KO|ORION|SPEEDWORLD|HARA
rc-zombies is offline   Reply With Quote
Old 08-22-2005, 12:32 PM   #1179
Tech Master
 
Join Date: Jul 2003
Location: World Wide Westside!
Posts: 1,209
Default

Quote:
Originally Posted by rc-zombies
Robert..

can we get a replacement Switch...
my soldering iron got a little too close over the weekend..

and also none VFS-1 related...looked throughout the KO website.
are replace servo cases available...need one for the 2364

lmk thanks
A replacement switch is available $18.75 plus shipping.

A replacement case for the 236X (heatsink version servos) are available, but they are a in-house repair item only due to the difficulty in replacing the middle part of the case.

If you need just the upper case, any of the other servos (2343, 2344, 2173, 2174) will work. They are all the same, but just the servo labels are different.

-Robert
KO PROPO Staff is offline   Reply With Quote
Old 08-22-2005, 12:36 PM   #1180
Tech Champion
 
rc-zombies's Avatar
 
Join Date: Aug 2001
Location: NorCal. Napa area
Posts: 7,212
Trader Rating: 8 (100%+)
Default

Robert..

thanks for the quick reply..

just need the upper case portion on the servo.
__________________
HB WCE HARA EDITION CYCLONE: LRP Sphere TC, KO 2363 digital servo.
HB HARA EDITION PRO4: Gone to a new home..

SPEEDTECH|FUTABA|KO|ORION|SPEEDWORLD|HARA
rc-zombies is offline   Reply With Quote
Old 08-23-2005, 03:24 AM   #1181
Tech Master
 
Join Date: Mar 2004
Location: Earth
Posts: 1,039
Send a message via ICQ to rcnewb2004
Default

Well, I read all frickin 40 pages of this post. (Took 3 hrs, but it was worth it) Learnt a lot. But still have some questions:
does 2x Ultimate Schotki Diode (Single) = 1x Ultimate Schotki Diode (double)?

in otherwords, when I get my hara twister 2.1, if I wanted to run a 10x1 surikarn v2 on it, I just need to buy 1x more Ultimate Schotki Diode (Single) and solder them in parallel?

Is it reasonably safe to run my motor with only 1x (single)?? (i really dun wanna spend anymore $$ on this esc... if i can get by... although i know i am getting my bang for buck)

With regards to the tempcutoff, I just want to confirm that the Hara has NO temp cutoff NOT a HIGHER temp cutoff??

And I am just curious why is having the schotki diode closer to the motor more effective than having it near the speedo end??

Lastly, does the Hara 2.1 have less FETS than the Hara 2? and I noticed there is no IR rating for the VFS ESCs, does anyone have any #s?
rcnewb2004 is offline   Reply With Quote
Old 08-23-2005, 03:58 AM   #1182
Tech Regular
 
Join Date: Jun 2003
Posts: 483
Trader Rating: 1 (100%+)
Default

To KO Staff:

About the VFS-1, when it is written (on the set-up) :CUR.LIM=12
It means it is 120A or the position 12 from the first one (actually NO LIMIT)

Thanks in advance

Hugo is offline   Reply With Quote
Old 08-23-2005, 07:29 AM   #1183
Tech Regular
 
EVOtech's Avatar
 
Join Date: Jul 2004
Location: Kent
Posts: 331
Default

Quote:
Originally Posted by rcnewb2004
Well, I read all frickin 40 pages of this post. (Took 3 hrs, but it was worth it) Learnt a lot. But still have some questions:
does 2x Ultimate Schotki Diode (Single) = 1x Ultimate Schotki Diode (double)?

in otherwords, when I get my hara twister 2.1, if I wanted to run a 10x1 surikarn v2 on it, I just need to buy 1x more Ultimate Schotki Diode (Single) and solder them in parallel?

Is it reasonably safe to run my motor with only 1x (single)?? (i really dun wanna spend anymore $$ on this esc... if i can get by... although i know i am getting my bang for buck)

With regards to the tempcutoff, I just want to confirm that the Hara has NO temp cutoff NOT a HIGHER temp cutoff??

And I am just curious why is having the schotki diode closer to the motor more effective than having it near the speedo end??

Lastly, does the Hara 2.1 have less FETS than the Hara 2? and I noticed there is no IR rating for the VFS ESCs, does anyone have any #s?
I'm sure KO will say different, but I would say you can run any quality Schottky diode (or two) that would be used on any other speedo. Two singles would equal one double.

I would not risk a 10T with only one diode, even if the only reason is that they say don't.

I think (only think) that the Hara 2.1 is tha same as the VFS-2, which is a cut-down VFS-1 pro. If so, it will have less FETs.

Having the diode(s) mounted on the motor provide a faster reaction to the reverse EMF they're designed to get rid of. You don't have to rely on the propogation delay and resistance of your wires to hinder it.
EVOtech is offline   Reply With Quote
Old 08-23-2005, 09:18 AM   #1184
Tech Master
 
Join Date: Mar 2004
Location: Earth
Posts: 1,039
Send a message via ICQ to rcnewb2004
Default

Along w/ the Questions in my previous postings...
I am getting all confused with all these equivalents along this thread?

KO Staff Member, you think you can once and for all just list all these equivs in one blow, to clear this issue once and for all?

Mainly I want to know:

VFS-2 = ?
VFS-1 Pro= ?
VFS-1 Pro Competion = ?
Hara Twister 2 = ?
Hara Twister 2.1 = ?

Thanks alot.
rcnewb2004 is offline   Reply With Quote
Old 08-23-2005, 09:20 AM   #1185
Tech Champion
 
rc-zombies's Avatar
 
Join Date: Aug 2001
Location: NorCal. Napa area
Posts: 7,212
Trader Rating: 8 (100%+)
Default

Quote:
Originally Posted by EVOtech
I'm sure KO will say different, but I would say you can run any quality Schottky diode (or two) that would be used on any other speedo. Two singles would equal one double.

I would not risk a 10T with only one diode, even if the only reason is that they say don't.

I think (only think) that the Hara 2.1 is tha same as the VFS-2, which is a cut-down VFS-1 pro. If so, it will have less FETs.
I use the Novak diode.. on an 8x2 with no problems...

the Hara 2.1 is identical to the VFS-1 pro...why would Hara use a cheaper version?
__________________
HB WCE HARA EDITION CYCLONE: LRP Sphere TC, KO 2363 digital servo.
HB HARA EDITION PRO4: Gone to a new home..

SPEEDTECH|FUTABA|KO|ORION|SPEEDWORLD|HARA

Last edited by rc-zombies; 08-23-2005 at 11:38 AM.
rc-zombies is offline   Reply With Quote
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
KO PROPO BMC-VFS esc Molala3 Electric On-Road 0 04-23-2008 11:57 AM
KO PROPO VS-1 FS/FT Headshot R/C Items: For Sale/Trade 5 11-11-2007 06:16 PM
ko propo buffalobill989 R/C Items: Wanted to Buy 2 08-09-2006 05:08 AM
~F/S Ko Propo Mars R/Ko Propo VFS 2000 Pro/BMI FK05~ RandomTask R/C Items: For Sale/Trade 5 06-21-2006 10:18 PM
WTB Ko Propo VFS-1 Pro Roberto Falcon R/C Items: Wanted to Buy 5 10-22-2005 11:36 AM



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off



All times are GMT -7. It is currently 02:12 AM.


Powered By: vBulletin v3.9.2.1
Privacy Policy | Terms of Use | Advertise Content © 2001-2011 RCTech.net