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component basics for beginner
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miles&Jules
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Joined: 19 May 2010
Posts: 3973
Location: ipswich QLD


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Hi guys
Battery question now.....we got a couple of rhino 750 batteries to connect up to our hobby king transmitter to replace is 8xaa batteries....Im just looking at the wires its got a red (2pin) and a (white 4pin plug) is the 4pin plug for charging and the 2pin for connecting to stuff like motors ...or transmitters?

So all I would need is to buy a 2pin red male jst to connect it up to the transmitter?
miles
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Post Mon Jan 31, 2011 9:55 am 
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Jaemus
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Joined: 01 Apr 2009
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Location: NSW


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Yes, and yes.

I did a writeup with pictures, check it out:

http://www.robowars.org/forum/viewtopic.php?t=1522
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Post Mon Jan 31, 2011 11:41 am 
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miles&Jules
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Joined: 19 May 2010
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Location: ipswich QLD


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Awesome Jaemus, about to give it a go!


Edit...It worked perfectly on both out transmitters ...No more charging horrid AA batteries!!!
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Miles Blow - Julie Pitts
www.mulesfilm.com.au
www.wombokforest.com.au

-Pickasso- Vivid Sportsman champion 2015

Post Mon Jan 31, 2011 8:06 pm 
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miles&Jules
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Joined: 19 May 2010
Posts: 3973
Location: ipswich QLD


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Hi Guys
Whats the hobby king link for the 7 pin jst connector that everyone used for balancing their batteries? I've tried searching jst 7pin ....but no luck for me.

is this them?
http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=9914


thanks
Miles
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Miles Blow - Julie Pitts
www.mulesfilm.com.au
www.wombokforest.com.au

-Pickasso- Vivid Sportsman champion 2015

Post Mon Jan 31, 2011 11:14 pm 
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marto
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Joined: 08 Jul 2004
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Location: Brisbane, QLD


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I think so but I am not 100% I would just grab the other way ( male/female) round as well. Cus I am not sure. @ $2.79 for 5 its not exactly expensive.

Also might be worth grabbing some heatshrink while your at it, to do the wire joins

Steve
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Post Tue Feb 01, 2011 12:13 am 
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Philip
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Joined: 18 Jun 2004
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Location: Queensland near Brisbane


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What voltage and brand of batteries are you using?
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Post Tue Feb 01, 2011 4:57 am 
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miles&Jules
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Joined: 19 May 2010
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Location: ipswich QLD


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Hi Guys
HI Philip, we used those 3pin jst that your recommended for the transmitter mod ...they worked perfect, plugged right into the socket on the pcb! Didn't have to cut any wires from the transmitter..!

At the moment we have 4cell 13-14 volt a123's. Will go up to 6cells for our next ones.

yeah will get em from hk and hopefully they fit. Steve where do you get your 7pin balance plugs from?
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Miles Blow - Julie Pitts
www.mulesfilm.com.au
www.wombokforest.com.au

-Pickasso- Vivid Sportsman champion 2015

Post Tue Feb 01, 2011 1:32 pm 
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marto
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Location: Brisbane, QLD


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HK its just bloody hard to tell if you have the right one. Because sometime pictures aren't correct and I am never sure whether Male means it has pins or whether it goes into a socket.....

And then the connection type is often ambiguous. I just bought like 4 different sets so I was sure I at least got some of what I wanted. lol
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Post Tue Feb 01, 2011 1:39 pm 
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RogueTwoRobots



Joined: 12 Jan 2008
Posts: 135
Location: Irvine, Scotland


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quote:
I am never sure whether Male means it has pins or whether it goes into a socket....

Just think of it in relation to human genitalia during reproduction - the male is the 'pin' and it plugs into the female 'socket' Wink
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Post Wed Feb 02, 2011 5:56 am 
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miles&Jules
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Joined: 19 May 2010
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Location: ipswich QLD


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Hi guys
What do you think about this dual speed controller? Is it a proper one with control over both channels? Only $50

Miles
http://store.rc4wd.com/Outcry-Crawler-Dual-Motor-ESC-w-Fan-TurboBEC_p_664.html
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Miles Blow - Julie Pitts
www.mulesfilm.com.au
www.wombokforest.com.au

-Pickasso- Vivid Sportsman champion 2015

Post Sat Feb 05, 2011 10:21 am 
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Philip
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Joined: 18 Jun 2004
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Location: Queensland near Brisbane


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As a general rule, hobby type speedos do not survive robot combat. They are not designed for the constant direction changes.
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So even the rain that falls isn't actually going to fill our dams and our river systems

Post Sat Feb 05, 2011 10:49 am 
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dyrodium
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Joined: 24 Aug 2004
Posts: 6476
Location: Sydney


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I'm not sure the crawler esc's work like you would want, I can't see how motors fighting against eachother would be any use in a crawler rc. I like their rating, at that size, divide it by 10 maybe. Laughing
I know it's heaps hard... but esc's are simply parts you cannot afford to skimp out on if you want to compete/ have fun and ultimately, last you forever (unless you plug it in backwards but can still be repaired). I remember buying my first IBC during highschool 2nd hand for $150, I managed it somehow... Still got that ibc and it's still alive. Twisted Evil
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Post Sat Feb 05, 2011 10:59 am 
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miles&Jules
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Joined: 19 May 2010
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Location: ipswich QLD


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Hi Guys... yeah it would be good if they were robot style....I know ...you get what you pay for....but sometimes you find a product that is cheap and ok....look at the hobby king receivers! The blue speedos work!.... if only they were dual channel for better control.

Wouldn't it be cool to be able to not have to rob from one robot to make the next one work.

I emailed em..... see what they say.

Any news on the A123 suppliers?

Miles
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Miles Blow - Julie Pitts
www.mulesfilm.com.au
www.wombokforest.com.au

-Pickasso- Vivid Sportsman champion 2015

Post Sat Feb 05, 2011 11:27 am 
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Nick
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Joined: 16 Jun 2004
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Location: Sydney, NSW


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The big problem with that controller is that it has only one channel, so the motors will always be going the same speed and you will not be able to turn! Its designed for a Crawler that has separate front & back transmissions and regular car steering.

Some builders in the US have tried using two single channel R/C controllers with a v-tail mixer for steering - they generally seem to like them in the 12 Lb class.

Post Sat Feb 05, 2011 11:41 am 
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miles&Jules
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Joined: 19 May 2010
Posts: 3973
Location: ipswich QLD


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Hi Nick
Thanks for the info!...thats probably why i cant find any robot info on it. Will give the Robo Claw a go. Just waiting for a cheque to arrive!

Miles
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www.mulesfilm.com.au
www.wombokforest.com.au

-Pickasso- Vivid Sportsman champion 2015

Post Sat Feb 05, 2011 12:28 pm 
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