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Question and answer on electrical stuff.

4 posters

SG Crawlers Forum :: RC Talk - Trail Trucks and Crawlers :: The Electronics Department

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Question and answer on electrical stuff. Empty Question and answer on electrical stuff.

Post by ket2175 Sat 31 Dec 2011 - 8:31

Hi all, anyone know can we use boat esc on our crawler or car? Here is one, can I use it on my crawler? Many thanks

Here the link:http://www.r2hobbies.com/eng/proddetail.php?prod=rcps61604
ket2175
ket2175
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Post by ket2175 Sat 31 Dec 2011 - 10:07

One more question, can I charge a 8000mah lipo with 5amp of power? Cause my charger current is max 5Amp only. Will it spoilt the battery or what?
ket2175
ket2175
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Post by boolean21 Sat 31 Dec 2011 - 10:35

ket2175 wrote:Hi all, anyone know can we use boat esc on our crawler or car? Here is one, can I use it on my crawler? Many thanks

Here the link:http://www.r2hobbies.com/eng/proddetail.php?prod=rcps61604

I got 2 of these...
Question and answer on electrical stuff. 01s10

one unit shorted out before even running... havent tried the other one...
free replacement on the way....

short likely caused by the connectors I guess... better swap out with deans before trying....

will try them out in my next project...
boolean21
boolean21
Crawler

Posts : 5035
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https://www.youtube.com/MyHonchoSG

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Post by RTECH Sat 31 Dec 2011 - 11:28

ket2175 wrote:One more question, can I charge a 8000mah lipo with 5amp of power? Cause my charger current is max 5Amp only. Will it spoilt the battery or what?

Shocked Knn, 8000mah!!!!

If your battery is MH or ni-cd, can tahan 2C charge that is 16 amps.
If your battery is lipo, can tahan 1C charge that is 8 amps.

Your charger can charge only 5 amps nia. Your battery will be sleeping ....Zzzzz Sleep when you charge at 5 amps.

But your charger will be Mad "knn how come so long the battery haven't full charge, nabey"
RTECH
RTECH
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Post by ket2175 Sat 31 Dec 2011 - 21:13

boolean21 wrote:
ket2175 wrote:Hi all, anyone know can we use boat esc on our crawler or car? Here is one, can I use it on my crawler? Many thanks

Here the link:http://www.r2hobbies.com/eng/proddetail.php?prod=rcps61604

I got 2 of these...
Question and answer on electrical stuff. 01s10

one unit shorted out before even running... havent tried the other one...
free replacement on the way....

short likely caused by the connectors I guess... better swap out with deans before trying....

will try them out in my next project...

Ok will do so, but look like there is no (ON/OFF) switch. And there say water resistance is it true? Very Happy
ket2175
ket2175
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Post by ket2175 Sat 31 Dec 2011 - 21:15

RTECH wrote:
ket2175 wrote:One more question, can I charge a 8000mah lipo with 5amp of power? Cause my charger current is max 5Amp only. Will it spoilt the battery or what?

Shocked Knn, 8000mah!!!!

If your battery is MH or ni-cd, can tahan 2C charge that is 16 amps.
If your battery is lipo, can tahan 1C charge that is 8 amps.

Your charger can charge only 5 amps nia. Your battery will be sleeping ....Zzzzz Sleep when you charge at 5 amps.

But your charger will be Mad "knn how come so long the battery haven't full charge, nabey"

OIC but my charger I think cheap scape one , cause only have AMP no C leh?
8000 mah battery good sia hehe.
ket2175
ket2175
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Post by RTECH Sun 1 Jan 2012 - 17:09

ket2175 wrote:
RTECH wrote:
ket2175 wrote:One more question, can I charge a 8000mah lipo with 5amp of power? Cause my charger current is max 5Amp only. Will it spoilt the battery or what?

Shocked Knn, 8000mah!!!!

If your battery is MH or ni-cd, can tahan 2C charge that is 16 amps.
If your battery is lipo, can tahan 1C charge that is 8 amps.

Your charger can charge only 5 amps nia. Your battery will be sleeping ....Zzzzz Sleep when you charge at 5 amps.

But your charger will be Mad "knn how come so long the battery haven't full charge, nabey"

OIC but my charger I think cheap scape one , cause only have AMP no C leh?
8000 mah battery good sia hehe.

C is the amps of the battery able to produce in one hour. Your battery 8000mah is 8 amps.
If 4000mah is 4 amps. Charge at 2C means 2 X 8 amps = 16 amps for 8000mah battery.
RTECH
RTECH
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Post by ket2175 Sun 1 Jan 2012 - 17:32

wow like very deep leh , me catch no ball. But anyway thanks RTECH.
ket2175
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Post by ket2175 Sun 1 Jan 2012 - 17:33

Look like Boolean boat esc is cheap and good.
ket2175
ket2175
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Post by RTECH Sun 1 Jan 2012 - 17:35

ket2175 wrote:wow like very deep leh , me catch no ball. But anyway thanks RTECH.
Nevermind, just charge at 5 amps can liao.
RTECH
RTECH
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Post by ket2175 Sun 1 Jan 2012 - 17:41

RTECH wrote:
ket2175 wrote:wow like very deep leh , me catch no ball. But anyway thanks RTECH.
Nevermind, just charge at 5 amps can liao.

No lah I just say say only, cause 8000 mah battery also cant fit in my Summit too fat liao. Think 5000 mah just nice.
ket2175
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Post by ket2175 Mon 2 Jan 2012 - 18:37

RTECH: Next week I need your help, cause I have a ON/OFF switch and I wanted to fix in my Wraith. So I need to know , which side is +/- . So that I can do soldering myself.
ket2175
ket2175
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Post by RTECH Mon 2 Jan 2012 - 20:16

ket2175 wrote:RTECH: Next week I need your help, cause I have a ON/OFF switch and I wanted to fix in my Wraith. So I need to know , which side is +/- . So that I can do soldering myself.

Switch dun have +/- lah. Any direction also can.
RTECH
RTECH
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Post by ket2175 Mon 2 Jan 2012 - 23:29

RTECH wrote:
ket2175 wrote:RTECH: Next week I need your help, cause I have a ON/OFF switch and I wanted to fix in my Wraith. So I need to know , which side is +/- . So that I can do soldering myself.

Switch dun have +/- lah. Any direction also can.

Below the switch got 3 legs coming out for u to solder wire to it , So as u say any direction also can. Thats mean I solder the first leg and the third leg , or first and second leg? Pls advice , many thanks.
ket2175
ket2175
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Post by boolean21 Tue 3 Jan 2012 - 0:48

ket2175 wrote:
RTECH wrote:
ket2175 wrote:RTECH: Next week I need your help, cause I have a ON/OFF switch and I wanted to fix in my Wraith. So I need to know , which side is +/- . So that I can do soldering myself.

Switch dun have +/- lah. Any direction also can.

Below the switch got 3 legs coming out for u to solder wire to it , So as u say any direction also can. Thats mean I solder the first leg and the third leg , or first and second leg? Pls advice , many thanks.

usually three legs, the middle one is the common, solder one end to the middle, and solder the other end to either side.... just use a multimeter to verify... Smile
boolean21
boolean21
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Post by ket2175 Tue 3 Jan 2012 - 8:06

boolean21 wrote:
ket2175 wrote:
RTECH wrote:
ket2175 wrote:RTECH: Next week I need your help, cause I have a ON/OFF switch and I wanted to fix in my Wraith. So I need to know , which side is +/- . So that I can do soldering myself.

Switch dun have +/- lah. Any direction also can.

Below the switch got 3 legs coming out for u to solder wire to it , So as u say any direction also can. Thats mean I solder the first leg and the third leg , or first and second leg? Pls advice , many thanks.

usually three legs, the middle one is the common, solder one end to the middle, and solder the other end to either side.... just use a multimeter to verify... Smile

ok noted with thanks, will try when my Wraith come.
ket2175
ket2175
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Post by RTECH Tue 3 Jan 2012 - 17:55

ket2175 wrote:
RTECH wrote:
ket2175 wrote:RTECH: Next week I need your help, cause I have a ON/OFF switch and I wanted to fix in my Wraith. So I need to know , which side is +/- . So that I can do soldering myself.

Switch dun have +/- lah. Any direction also can.

Below the switch got 3 legs coming out for u to solder wire to it , So as u say any direction also can. Thats mean I solder the first leg and the third leg , or first and second leg? Pls advice , many thanks.

How come you buy the 3 leg one? Got 2 leg one smaller.
I mean the wire any direction also can, no +/-.
RTECH
RTECH
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Post by ket2175 Tue 3 Jan 2012 - 20:39

RTECH wrote:
ket2175 wrote:
RTECH wrote:
ket2175 wrote:RTECH: Next week I need your help, cause I have a ON/OFF switch and I wanted to fix in my Wraith. So I need to know , which side is +/- . So that I can do soldering myself.

Switch dun have +/- lah. Any direction also can.

Below the switch got 3 legs coming out for u to solder wire to it , So as u say any direction also can. Thats mean I solder the first leg and the third leg , or first and second leg? Pls advice , many thanks.

How come you buy the 3 leg one? Got 2 leg one smaller.
I mean the wire any direction also can, no +/-.

Last time buy one lor, no know so anyhow buy lor. U also dont want to teach, so no choice I suck suck thumbs lor. Very Happy
ket2175
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Post by Harakiri Tue 3 Jan 2012 - 22:23

Wow...
Somebody bought wraith liao ah....lai lai lai join the force
Harakiri
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Post by ket2175 Wed 4 Jan 2012 - 8:54

Harakiri wrote:Wow...
Somebody bought wraith liao ah....lai lai lai join the force

Still waiting for it to come. Very Happy
ket2175
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