Model Boat Mayhem

Please login or register.

Login with username, password and session length.
Pages: [1]   Go Down

Author Topic: 2 x 6v 4ah =12 x 8ah ???  (Read 1982 times)

portside II

  • Full Mayhemer
  • *****
  • Offline Offline
  • Posts: 1,523
  • tugs at rest
  • Location: Howden.East Riding of Yorkshire.England Near the banks of the river Ouse
    • goole model boat club indi site
2 x 6v 4ah =12 x 8ah ???
« on: May 17, 2007, 05:12:44 pm »

ok the brain has gone again  decided to fit a pair of speed 700 turbo bb's in the nangee ,they are rated at 9.6v so will runthem off 12v .
As there is not much room in the depths i will fit 6v 4ah cells and pair them up as 12v ,this is where a brain would help .If i connect them in series to give me 12v will i get 4ah or 8ah ,ie double the voltage double the ampage . ??? ??? 
Logged
I like to build my boats to play with, not to just look pretty, so they dont !

johno 52-11

  • Full Mayhemer
  • *****
  • Offline Offline
  • Posts: 301
  • Model lifeboats built to perform
  • Location: Dudley "The Blackcountry" West Midlands
    • lifeboat Models
Re: 2 x 6v 4ah =12 x 8ah ???
« Reply #1 on: May 17, 2007, 05:22:28 pm »

Hi PortsideII

If you connect them in series you will get 12v 4ah if you connect in parallel you would get 6v 8ah if you had 4 connected in 2 sets of series in parallel you would get 12v 8ah

In series you add up the volts in parallel you add up the amps

John
Logged

portside II

  • Full Mayhemer
  • *****
  • Offline Offline
  • Posts: 1,523
  • tugs at rest
  • Location: Howden.East Riding of Yorkshire.England Near the banks of the river Ouse
    • goole model boat club indi site
Re: 2 x 6v 4ah =12 x 8ah ???
« Reply #2 on: May 17, 2007, 06:01:11 pm »

thankyou  that was the other thing i think there may be room for 4 battery's ,two each side of the shafts and two down the center that way i will keep most of the weight just aft of center . if it's a bit aft heavy i can move one of the center battery's forward between the motors  .
The reason for the mass of battery's is i think the motors might be a bit thirsty and why ballast down with lead when you can do it with lead acid  ;D.
daz
Logged
I like to build my boats to play with, not to just look pretty, so they dont !
Pages: [1]   Go Up
 

Page created in 0.103 seconds with 21 queries.