Re: DC Motors (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: List moderator <mod1@xxxxxxxxxx>



---------- Forwarded message ----------
Date: Fri, 25 May 2007 18:09:39 -0700
From: Barton B. Anderson <bartb@xxxxxxxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: DC Motors (fwd)

Hi Chris,

No problem. Just contact me when your ready. I've had nearly 20 people 
wanting several each, but after those are shipped, I will still be 
loaded with a lot of motors. Once I started digging into the motors, I 
realized I had much more than I had guestimated.

Take care,
Bart

Tesla list wrote:

>Original poster: List moderator <mod1@xxxxxxxxxx>
>
>
>
>---------- Forwarded message ----------
>Date: Fri, 25 May 2007 14:29:27 +0800
>From: westland <westland@xxxxxx>
>To: Tesla list <tesla@xxxxxxxxxx>
>Subject: Re: DC Motors (fwd)
>
>Hi Bart:
>
>I would like to put my name on two of these (I've been looking for a 
>torquey DC motor, so these fit the bill).  I will be moving to Chicago 
>in the next two months, so if you wouldn't mind holding them in your 
>garage for just a little while longer (and I would certainly understand 
>if you didn't want to) I would be very grateful.
>
>Thanks in advance
>
>Chris Westland, Hong Kong (soon to be Chicago).
>
>
>Tesla list wrote:
>  
>
>>Original poster: List moderator <mod1@xxxxxxxxxx>
>>
>>
>>
>>---------- Forwarded message ----------
>>Date: Tue, 22 May 2007 19:16:35 -0700
>>From: Barton B. Anderson <bartb@xxxxxxxxxxxxxxxx>
>>To: Tesla <Tesla@xxxxxxxxxx>
>>Subject: DC Motors
>>
>>Hi All,
>>I've got a bunch of DC Gear Reduction Motors on hand.
>>http://www.classictesla.com/temp/gm_2.JPG
>>
>>A couple small crates worth (guessing about 100 motors on hand) that I 
>>was once selling on eBay, but lost interest. I would like now to clear 
>>out some space in my garage, but I can't see throwing these motors out. 
>>They are perfect for winding machines.
>>
>>So, I'm now offering them for free. If you would like a few (not too 
>>many as I'd like to make sure everyone that want's one gets one), just 
>>email me "off the TCML" to my personal email (bartb@xxxxxxxxxxxxxxxx). 
>>You will need to pay for shipping, but that's all. Contact me off the 
>>list about payment methods for shipping. USPS flat rate is the cheapest 
>>and about $8 to anywhere in the US.
>>
>>The motors "are" used, but I will hook up each one to ensure it works 
>>and "sounds" normal. These motors were custom made or a low profile 
>>application requiring high torque. Their direct from Germany. The motor 
>>includes an internal clutch which limits the current to about 3.2 amps. 
>>Thus, you can stall these motors for a brief period without damaging or 
>>demagnetizing the motor. Of course, the longer they are in a stall 
>>condition, the more ware that is put onto the clutch. The gear reduction 
>>is 512:1 and I have a few that are 400:1 (I think). They are designed 
>>for 24 VDC. The shaft will spin 1 revolution every 8 seconds at that 
>>voltage. So, really low speed (which is why they are great for winding 
>>machines). However, they are high torque and that is something to be 
>>aware of. The motors new are $400 ea., but were purchased in higher 
>>quantities where the cost was reduced to $100 ea. I'm letting them go 
>>for free except shipping.
>>
>>If you want one, two, three, etc.., just send me an email.
>>
>>Take care,
>>Bart
>>
>>
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