Years ago one of you guys said without investigation I am doomed to many false starts..
Lol ... My setup as of now: (dictated largely by budget)
5kw 120 volt ac generator pumping 30 amps into
120ac step up transformer to 220ac
220 ac into Kb electronics controller which sends 1-180 DC at 14 amps out
running 180 dc 15 amp 3hp Leeson dc motor.
My 34 foot trawler can troll all day at 2.5 mph using 100dc at 10 amps.
deficiencies:
Is the wind gets over 10 mph im beat.
I have to go crawling into the engine room to connect and disconnect my belt.
My latest thrill is hearing about the AC-9 motor with Cutis controller 48 volts of battery and I'm fishing in all conditions with regeneration while cruising on diesel.
Ive heard of Curtis controllers spoken of fondly but not sure about the rest.
Im happy to being able to keep the belt on permanently, to regenerate.
Will I have enough economical power without overheating?
Will it do what I need to do or should I go with a bigger AC-20 which isn't much more$ ?
Other concerns are pulley ratios aprox 4:1 and where to position ideal rams.
My fishing shaft speed of 300 @ 4:1 is 1200 elec motor RPM while spinning 3200 cruising on diesel.
BIG QUESTION would 5:1 1500 electric motor RPM be easier on battery bank ah. ?
What I have learned:
it takes only 1hp (100volts dc and 10 amps) with my old system to go 2.5 mph with everything running cool.
My 120 hp Lehman diesel at 1600 cruises me nicely and ecumenically at 6knots.
What about how much power does it take of go 3 4 or 5 knots
What can I expect from the AC-9 or AC-15 of AC-20
These are the questions festering in my balding head from scratching.
I don't wish to go through another false start.
Posted by: orest@albernicharters.com
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