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 Question for you electrical tinkerers...
#5073004
04/16/14 04:02 AM
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Joined: Feb 2009
Posts: 5,033
missingAK
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My boy just got a little electric riding car (similar to a powerwheel) from his Grandma. Neat little thing that runs off a 6v battery and an electric motor. Almost like a deer feeder motor but a little larger. It has one "go" button and that's it. Push the button to go forward, let off to stop. The problem is that he keeps running into stuff and getting stuck because it doesn't have reverse.
I'd like to see about switching that switch out to a toggle switch that could make the motor turn in reverse. If I'm understanding correctly, It should reverse the direction of the motor by reversing the electric flow via the toggle switch.
Do they make something like this...and where can I get it? Would there be a better/easier way to do it that I'm missing? Let me know if that wasn't as clear an explanation in print as it is in my head.
Thanks, John
Last edited by missingAK; 04/16/14 04:02 AM.
"Men occasionally stumble over the truth, but most of them pick themselves up and hurry off as if nothing happened." Winston Churchill
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Re: Question for you electrical tinkerers...
[Re: missingAK]
#5073227
04/16/14 12:19 PM
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Joined: Apr 2011
Posts: 29,038
Western
THF Celebrity
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THF Celebrity
Joined: Apr 2011
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I don't see why it would be any different than a golf cart, but I'm certainly not an "electrical" person.
If at first you dont succeed, then skydiving is not for you..
"Don't trust everything you read on the Internet"- Abraham Lincoln
Dennis
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Re: Question for you electrical tinkerers...
[Re: missingAK]
#5073250
04/16/14 12:34 PM
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Joined: Sep 2006
Posts: 32,525
kmon11
junior
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junior
Joined: Sep 2006
Posts: 32,525 |
Not sure how well the switch would fit but a rocker toggle switch should work. If it will fit on like this should work fine. link
lf the saying "Liar, Liar your pants on fire" were true
Mainstream news might be fun to watch
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Re: Question for you electrical tinkerers...
[Re: missingAK]
#5074359
04/17/14 12:02 AM
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Joined: Feb 2009
Posts: 5,033
missingAK
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Thanks for the link. Not sure if that will work but I might give it a try. The current switch is only there to complete the circuit. one wire in, one wire out. I was trying to avoid rewiring the whole thing. might have to go ahead and do it anyway.
Gonna have to find out if this motor is even reversible....
"Men occasionally stumble over the truth, but most of them pick themselves up and hurry off as if nothing happened." Winston Churchill
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Re: Question for you electrical tinkerers...
[Re: missingAK]
#5074545
04/17/14 01:34 AM
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Joined: Nov 2004
Posts: 14,768
jeh7mmmag
gramps
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gramps
Joined: Nov 2004
Posts: 14,768 |
Gonna have to find out if this motor is even reversible....  If it is then buy you a dpdt switch: https://www.carltonbates.com/Pushbuttons...CFUoV7AodmB0A2wPower and ground wires to center post. then X across outer post and tie motor leads here. I will draw you a diagram if motor run backward when battery is reversed.
�Everybody needs beauty as well as bread, places to play in and pray in,
where nature may heal and give strength to body and soul.�
~ John Muir
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Re: Question for you electrical tinkerers...
[Re: missingAK]
#5074557
04/17/14 01:39 AM
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Joined: Nov 2004
Posts: 14,768
jeh7mmmag
gramps
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gramps
Joined: Nov 2004
Posts: 14,768 |
Read the below for wiring diagram: The Double Pole Double Throw Switch A simple way to think of this switch is imagining 2 SPDT switches side by side with the 'handles' attached to each other. Perhaps the most popular use for this switch is 'phase or polarity reversal'. So, how does the DPDT switch accomplish this? First, you have to wire the 2 'top' and 2 'bottom' terminals in a 'criss-cross' fashion. The top 2 terminals become the input and the middle two terminals become the ouput. Now, referring to the bottom left diagram, the switch is in the 'up' position, W & Y are connected, as are X & Z. The polarity is maintained because the input and output are directly connected. No problem seeing that right?  Now let's see what happens when the switch is in the 'down' position (right diagram). The + input goes from the 'W' terminal, down to the lower right and then up to the 'Z' terminal. The negative input goes from the 'X' terminal and out through the 'Y' terminal. See what has happened? With one flip of a switch, polarity has been reversed. What applications does this have? For one thing, electric guitar players use this type of switch to put one pickup out of phase with the other, producing a thin, 'squawcky', 'inside-out' kind of sound. In the 'old days' before 3 prong plugs, power switches on some electrical devices used this switching arrangement to switch polarity in case the plug was in the outlet the "wrong way". http://www.1728.org/project2.htm
�Everybody needs beauty as well as bread, places to play in and pray in,
where nature may heal and give strength to body and soul.�
~ John Muir
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Re: Question for you electrical tinkerers...
[Re: missingAK]
#5074708
04/17/14 02:41 AM
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Joined: Jan 2009
Posts: 4,411
Dragonuv
Extreme Tracker
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Posts: 4,411 |
We deal with DC powered switches all the time and I have seen toggle switches that will reverse the current, but I don't know exactly what they're called. The name "crossover switch" sticks in my head, but not sure if that's it or not. One thing you may want to check before installing a switch is the drive train(motor) supports. They are made to produce torque in only one direction, by reversing it, you may put more stress on the attachment points than it can withstand.
Allied Electronics has on office in the DFW area and they carry a truckload of different switches, and what they don't have in stock, they can order and have it for you in a day or two.
Good luck sir.
Last edited by Dragonuv; 04/17/14 03:01 AM.
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Re: Question for you electrical tinkerers...
[Re: missingAK]
#5075133
04/17/14 01:33 PM
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Joined: Sep 2012
Posts: 1,338
Bigjoe8504
Pro Tracker
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Pro Tracker
Joined: Sep 2012
Posts: 1,338 |
FWIW, most of these have a selector (usually looks like a column shifter). I would bet that the flow can be reversed as they almost all use the same motor regardless of brand. The issue would come in the mechanical aspects that the gears were made to go one way and are usually weakly built. Sometimes it's best to pretend it's a Ford and just get out and push. 
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Re: Question for you electrical tinkerers...
[Re: missingAK]
#5077386
04/18/14 06:13 PM
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Joined: Sep 2007
Posts: 4,294
oldoak2000
Extreme Tracker
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1. What jeh7 above posted will work, and you WILL have to 'rewire' , but you can locate it DOWN by the motor/battery, and it will function as a FWD/REV switch, so it will be ok to have down there. Leave the current switch in place as a 'GO' switch. There will be 4 total connections, so keeping it closer to motor/battery will minimize the wire run lengths.
2. If you 'insist' on doing this to replace / eliminate the current switch, make sure you get a 'center off' DPDT switch (wasn't mentioned above), otherwise you'll have no off. This kind of switch is a bit harder to source than a standard dpdt, but they're out there.
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Re: Question for you electrical tinkerers...
[Re: missingAK]
#5077392
04/18/14 06:14 PM
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Joined: Sep 2011
Posts: 28,032
Navasot
Hollywood
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Hollywood
Joined: Sep 2011
Posts: 28,032 |
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Re: Question for you electrical tinkerers...
[Re: Navasot]
#5079725
04/20/14 06:45 PM
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Joined: Feb 2009
Posts: 5,033
missingAK
OP
THF Trophy Hunter
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Nah...I'm already using the hammer and duct tape to fix the crap he's run over/into with the thing. Thanks for the help guys.
"Men occasionally stumble over the truth, but most of them pick themselves up and hurry off as if nothing happened." Winston Churchill
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