How are many circular saw motors rated instead of using a horsepower rating?
414494
If you know how many watts the motor can provide then dividing that by 746 will give you horsepower.\n\nThe Amperes and knowing the supply (ie. 220V) can give you horsepower since amps times volts gives watts.\n\nThings get complicated if these readings are not a measure taken just before the point of stalling the motor with a load on the motor to induce it's full power output.
444385
I would try on Ebay to be honest you can find a decent trolling motor with those specifications.If you were to say order one from bass proo or cabelas you'd be pinned down to buying this years models along with the high prices.\ntight lines,\nBrian
574506
The Machinists Handbook has a section on that. Check it out.
581735
Its a sandard notation for machinary parts
500605
Basically.... it is as simple as (Voltage X (times) amperage = Wattage) example.... \n\na 120volt motor pulling a normal 3 amperes  ....will consume 360 watts of electricity... \n\nThe more amperage the motor requires.... the higher... the horsepower... and also the cost to run or operate it...
196208
Also, you cant go by just numbers alone.  When a car has X amount of Horsepower and X amount of Torque that means its maximum of each at a certain RPM.  Some cars have high numbers but are slower than others.  My friend had a 350Z brand new.  I had a 15 year old 5.0 mustang stock.  My car was rated around 225 hp 300tq his was rated at 300hp 260tq.  His Z was much smaller and lighter and brand new.  My car spanked his at off the line, rolling, freeway, anything.  My car did not have a good max hp but it had good power throughout the rpms rather than just peaking at a certain rpm.  So you cant go by just hp,tq and weight.  You really have to just drive the car.
694655
wow man that sounds a little crazy, like rocket science. i have standard 6in rotors and they rock and have never even in extreme conditions given out on me or had brake loss due to heat. i know your setup, id consider just doing one rear hyd. brake for weight/racing purposes, maybe even not use front brakes at all or just use v brakes for front.
468400
You need to mechanically generate motion to turn the shaft of the motor/generator at the speed specified on the name plate. Say 1800rpm for a induction motor would then generate the given voltage at 60Hz.\n\nIt is important to maintain this motion otherwise the frequency will vary.\nThe torque to maintain this motion is related to the load on the motor. So a 1 hp motor is about 746 watts. So for a 10kw turbin you will need a 2 x 15HP motor or 30HP motor due to a 50% efficiency factor for the maximum load. Most of the mechanical energy goes into heat.
1086850
Im sorry but you have not supplied enough information for me to answer this question properly. You need to be more specific as to where your measuring the 70 MW from....\n\n Heres a good reliable motor set up anyways....\nThe FT4C-3F Twin Pac generating unit consists of two Pratt & Whitney C-3F engines. The Mitsubishi generator is rated at 70 MVA at ISO. The base load power output is 58 MW at ISO conditions or 48.5 MW at 90 degrees F. \n\n..
395438
For a while Yamaha built motors for mercury, up to 15 hp. They are pretty much all Yamaha. I've had one of those since '81. I am a teacher and spend the summers (all) at the lake. I have never had more than two pulls to start the engine and have ZERO repairs. When I bought a larger bass boat in '99 I bought a Yamaha for this reason. I'd say it is better than a mercury, especially if it is older since there were issues with many older Mercs. I mine often as does my son.
520009
Another rule of thumb is to assume 100% load. \n\nNot knowing what kind of "electric motor calculations" you are going to make it is difficult to say what load factor you should use.
883504
http://www.bis.org.in/\n\nThey have hyperlinks to all of the different codes.  There was one on the main page for energy efficient motors (foreign made).\n\nAlso check wikipedia for a really good explanation of the BIS.
492458
I seriously doubt you have a 50 HP motor!  That is industrial size, and I wouldn't expect a question like that here.\n\nWhat voltage?  A 3-phase 50HP 230V motor is 130 amps!  There is no single-phase motor that big.  If you really have this, get an electrician to install it.
370881
try this website http://www.howstuffworks.com/search.php?search=electrical%20motors%20and%20generators&ref=hpaw&page_ref=http://www.howstuffworks.com/
632099
W= Volts Multiplied by Amps since we are talking about DC there is no power factor to take into consideration. One kW equals 1000 watts. So to know the current rating you would have to know the voltage.\nI have heard that the voltage on ships is 110v but am not sure about it. If it were 110v then the maximum output current would be 2,500,000w divided by 110v.\nEither way this is a big machine.
552818
You might try talking to the seller of this marshall engine lathe.  Maybe they can assist or point you in the right direction!\n\n"MARSHALL ENGINE LATHE / ACCESORIES NO RESERVE" Ref: http://cgi.ebay.com/MARSHALL-ENGINE-LATHE-ACCESORIES-NO-RESERVE_W0QQitemZ7613619787QQcategoryZ97230QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
935193
Not sure but this site may help you:\nhttp://www.windturbinewarehouse.com/\nthis one is a bit more specific:\nhttp://www.gepower.com/prod_serv/products/wind_turbines/en/2xmw/specs.htm\nand this will tell you lots:\nhttp://en.wikipedia.org/wiki/Wind_turbine