- Posted by JIM PANTEL on August 05, 2003 at 08:14:12
CAN SOMEONE TELL ME WHY IT TAKES SUCH A TREMENDOUS AMOUNT OF CURRENT TO START MY BOAT ENGINE AS COMPARED WITH MY AUTOMOBILE? MY AUTO PUTS OUT JUST AS MUCH HORSEPOWER AND ALTHOUGH IT IS NOT AS BIG AS MY BOAT ENGINE WHY SHOULD MY BOAT REQUIRE 2 DEEP CYCLE BATTERIES JUST TO START IT?
Follow Ups:
- Re: battery starting - gaineso 12:45:35 08/24/03
(0)
- In Reply to: battery starting posted by JIM PANTEL on August 05, 2003 at 08:14:12:
For one thing, you shouldn't be using deep cycles for cranking. Use a starting battery. Depends on what size and age of motor, and battery. And condition of everything.
- Re: battery starting - Young Jim Hawkins 10:54:33 08/06/03
(0)
- In Reply to: battery starting posted by JIM PANTEL on August 05, 2003 at 08:14:12:
Could be:
a. high compression ratio
b. low-ratio gearing between starter and flywheel (the flywheel in your car motor is probably two or three times the diameter of the flywheel in your boat motor. What kind of motor is in your boat? Do you know the diameter of the flywheel? Count the teeth on the flywheel and on the starter gear...divide flywheel teeth/starter teeth to get ratio.)
c. inefficient or failing starter motor
d. bad batteries or bad connection in starting current circuit (including solenoid contacts) Check the actual voltage at the starter motor terminals while cranking.
e. other
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