wiring resistors into your indys?(elec help needed) - Page 2 - SV650.org

northwind · 09-12-06, 06:16 PM

I'm not very good at explaining electrical stuff, I've got a sort of working model in my head which is, in fact, completely wrong but is close enough to use for automotive electrickery. The trouble is, if I write it down I look like a halfwit.

Oh, here we go

http://en.wikipedia.org/wiki/Series_...allel_circuits

The top paragraph is what you need. The bits further down are the equations I used to arrive at my 8ohm resistors, by the way. But you don't need any of that, you just need to know what to wire to what.

09-12-06, 06:25 PM

cheers northy thanks for your patients.

09-12-06, 06:27 PM

but i'm still to thick to understand it

northwind · 09-12-06, 06:37 PM

dirtydog · 09-12-06, 06:44 PM

or if you cant understand northys picture how about this one...

09-12-06, 06:57 PM

it took a while but i got it now

thanks for the drawing northy age 8

also cheers dirty dog that helped.

09-12-06, 08:12 PM

Quote:

Originally Posted by kwak zzr

i couldn't get 10ohm 10w so maplins suggested 8ohm 10w

will these be ok?

Going back to my basic electrics I thought P=Vsquared/R so power should be 12 squared / 10 (14.4W) or 12 squared / 8 (18W) for those two. How can different resistances have the same power for the same DC voltage ?

09-12-06, 08:36 PM

now i'm really confused

will the resistors i got work? thats all i need to know

northwind · 09-12-06, 10:03 PM

10W isn't the power, it's the power handling capacity. Now, in this case, you actually have 21W, but it's intermittant so you can get away with 10W.

10-12-06, 09:29 AM

Ahhh I see. Sorry for the confusion I may have caused Kwak.

09-12-06, 06:16 PM	#11
northwind Moderator Mega Poster Join Date: Jan 2004 Location: In the garage where I belong Posts: 17,083	I'm not very good at explaining electrical stuff, I've got a sort of working model in my head which is, in fact, completely wrong but is close enough to use for automotive electrickery. The trouble is, if I write it down I look like a halfwit. Oh, here we go http://en.wikipedia.org/wiki/Series_...allel_circuits The top paragraph is what you need. The bits further down are the equations I used to arrive at my 8ohm resistors, by the way. But you don't need any of that, you just need to know what to wire to what. __________________ "We are the angry mob, we read the papers every day We like what we like, we hate what we hate But we're oh so easily swayed"

09-12-06, 06:37 PM	#14
northwind Moderator Mega Poster Join Date: Jan 2004 Location: In the garage where I belong Posts: 17,083	__________________ "We are the angry mob, we read the papers every day We like what we like, we hate what we hate But we're oh so easily swayed"

09-12-06, 06:44 PM	#15
dirtydog Knob faced knobster Mega Poster Join Date: Jan 2005 Location: Haslemere Posts: 5,422	or if you cant understand northys picture how about this one... __________________ 2011 Speed Triple 1050

09-12-06, 10:03 PM	#19
northwind Moderator Mega Poster Join Date: Jan 2004 Location: In the garage where I belong Posts: 17,083	10W isn't the power, it's the power handling capacity. Now, in this case, you actually have 21W, but it's intermittant so you can get away with 10W. __________________ "We are the angry mob, we read the papers every day We like what we like, we hate what we hate But we're oh so easily swayed"

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09-12-06, 06:25 PM	#12
kwak zzr Guest Posts: n/a	cheers northy thanks for your patients.

09-12-06, 06:27 PM	#13
kwak zzr Guest Posts: n/a	but i'm still to thick to understand it

09-12-06, 06:57 PM	#16
kwak zzr Guest Posts: n/a	it took a while but i got it now thanks for the drawing northy age 8 also cheers dirty dog that helped.

09-12-06, 08:36 PM	#18
kwak zzr Guest Posts: n/a	now i'm really confused will the resistors i got work? thats all i need to know

10-12-06, 09:29 AM	#20
Well Oiled Guest Posts: n/a	Ahhh I see. Sorry for the confusion I may have caused Kwak.