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RE: (ET) Rotary inverter on ebay...



Watts/Volts=Amps.  900 Watts at 110 Volts is 8.2 Amps.  The rating is 
continuous; you can go almost 40% higher for a few seconds on an inductive 
load (motor) for starting.  Also, your 15 Amp chainsaw is 15 Amps under 
the heaviest continuous load is was designed for.  In normal operation the 
current is a fraction of that.

Larry Elie


-----Original Message-----
From: frankenfield [mailto:res08b3w verizon net]
Sent: Thursday, August 08, 2002 5:57 AM
To: elec-trak cosmos phy tufts edu
Subject: Re: (ET) Rotary inverter on ebay...


Hi folks,

I've not closely followed the thread on these rotary inverters.   How many
amps does the 900 watts translate into ?  I'm  wondering if it will drive 
my
110V chain saw which is rated at 15 Amps.

Thanks,


Steve F.

> From: "Chapin, Tim" <tchapin umich edu>
> Date: Thu, 8 Aug 2002 08:28:26 -0400
> To: elec-trak cosmos phy tufts edu
> Subject: RE: (ET) Rotary inverter on ebay...
> 
> For those of you that missed the other batch of inverters on ebay.  2 
> days
> left in the auction.  Starting bid $100, looks to be the same as the 
> others
> that was on ebay or tagged different.
> http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=1755721644&r=0&t=0&showTu
> torial=0&ed=1029035129&indexURL=0&rd=1
> 
> -----Original Message-----
> From: Hazen, Dwight L [mailto:hazen indiana edu]
> Sent: Saturday, April 27, 2002 9:53 AM
> To: tractors GE
> Subject: RE: (ET) Rotary inverters
> 
> 
> Mike,
> 
> Here is the web site. http://www.rediline.com/ I was told the model
> DA36A-900A "900w surge to 1350w, 36volt" unit I got on EBay was around 
> $400
> new. I got mine from svtboy powerweb com for half that. He still has a 
> few.
> The efficiency would not be as good as a solid sate inverter. The cool 
> thing
> about this unit is it starts up automatically when ever it sees a load. 
> And
> then turn off a few seconds later after the load goes away! Just right 
> for
> power tools. 
> 
> REDI-LINE Features
> 
> Advanced demand start circuit detects sensitive loads and extends battery
> run times. Draws battery power only when power is required when you 
> trigger
> a power tool or switch on an appliance.
> Delivers peak output currents up to 1.5 times the continuous current 
> rating
> for extra starting power.
> Built-in circuit breaker provides overload protection.
> Withstands ambient temperatures from -30 degrees F to 130 degrees F.
> Sealed bearings never need lubricating.
> REDI-LINE 120 VAC power output has a true sine wave, the output voltage 
> and
> frequency vary with the load and are unregulated.
> REDI-LINE is not position sensitive; mount it in any position, even
> up-side-down, as long as there is sufficient air circulation for cooling.
> REDI-LINE is non-polluting and with no refueling or maintenance
> requirements, it can be put just about anywhere.
> 
> The long-life design has a two year warranty.
> CSA Certified, 120 VAC models; CE and TÜV Rhineland Certified, 230 VAC
> models.
> 
> Dwight   
> 
> -----Original Message-----
> From: mleech13 [mailto:mleech13 netzero net]
> Sent: Saturday, April 27, 2002 7:44 AM
> To: E-trak Write
> Subject: (ET) Rotary inverters
> 
> Sometimes we tend to make the solution to our problems, too complicated.
> 
> What is the efficiency of a rotary inverter?
> 
> How much do they cost?
> 
> Mike Leech
> mleech13 netzero net
>