Metalwork - Lathe and Mill topics: January 2014

Saturday, 25 January 2014

Re: [atlas_craftsman] Re: Attachment Test.

Anthony,

I don't know for certain but would assume that any list (Yahoo or otherwise) would not send attachments in any form in the digest. But I haven't used digest mode anywhere in 20+ years so I don't know for certain.

In a message dated 01/25/2014 16:30:16 PM Central Standard Time, anthrhodes@aol.com writes:

Robert,

For me, receiving messages in digest form, no indication of an attachment other than the subject line of your message. I've been getting this just recently on some groups but not on others. I think that the successful links are the ones where I get individual messages and the unsuccessful ones are in the digests but I'm not certain. Didn't used to have this distinction.

NEO ???

Anthony
Berkeley, Calif.
PS Copied below is the entire content of your message as I received it.
********************************************

3a

Attachment Test.

Fri Jan 24, 2014 8:34 pm (PST) . Posted by: wa5cab

test

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480

Robert & Susan Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480

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[atlas_craftsman] Re: Attachment Test.

Robert,

For me, receiving messages in digest form, no indication of an attachment other than the subject line of your message. I've been getting this just recently on some groups but not on others. I think that the successful links are the ones where I get individual messages and the unsuccessful ones are in the digests but I'm not certain. Didn't used to have this distinction.

NEO ???

Anthony

Berkeley, Calif.

PS Copied below is the entire content of your message as I received it.

********************************************

3a

Attachment Test.

Fri Jan 24, 2014 8:34 pm (PST) . Posted by:

wa5cab

test

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480

Reply to sender . Reply to group . Reply via Web Post . All Messages (4) . Top ^

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Explanation Re: [atlas_craftsman] Attachment Test.

OK. Here's what happened.

For about the past year, the list has been configured to accept attachments instead of just blocking them. For several reasons, it is set to store the attachments on the server rather than to reflect them as attachments to every subscriber. It has worked like that most of the time. Several days ago, Doc had described making the cutter for an ID threading tool out of an old file. A member asked whether anyone had a photo that would show him what Doc was talking about. I recalled having an old Williams catalog that showed a similar tool for OD threading so I extracted the page from the catalog and sent it to the list as an attachment, with a brief explanation of the difference between the OD and ID versions. The catalog file was a PDF and I didn't bother to convert the single page to a JPG before sending it.

Instead of the Yahoo server storing the page, it reflected it to all account holders. I wasn't sure whether that happened because of my status (moderator) or because of some browser setting or what? Jon suggested that maybe it was because it was a PDF. The test yesterday was with a JPG, which Yahoo treated as the settings page says it should. So we think that maybe Yahoo's NEO code is written to only store attachments on the server if they can usually be viewed with a browser. The fact that I and probably others don't use the browser to view JPG's is a local setting which Yahoo couldn't be aware of.

The JPG in question was a photo of an MFB that I picked solely because it was handy and small and Atlas. Shortly after the test, since I had nothing to say about the actual mill, I deleted it. Unfortunately, I made the mistake of deleting the photo first and then saw that the empty album was still there and deleted it. So that's why one or two of you were able to view the photo, and others got the error message and finally no one could see what all of the fuss was about. :-)

However, this brings up a point. Members should avoid sending as an attachment a PDF, and presumably some other file types that can only be determined experimentally. I would assume DWG would be one. In any case, please restrict attachments to file types like JPG, BMP, PNG, etc. Probably the list is the same as what you can upload to Photos. Remember that attachments are for things with only temporary interest. If the information would still be useful a year from now, upload it to Files instead. Or to Photos.

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480

In a message dated 01/25/2014 00:58:43 AM Central Standard Time, bruderhaus@sbcglobal.net writes:

me too in California

From: Carvel Webb <carvelw@absamail.co.za>
To: atlas_craftsman@yahoogroups.com
Sent: Friday, January 24, 2014 10:47 PM
Subject: RE: [atlas_craftsman] Attachment Test.

Robert ,

In this southern tip of Africa if I click on the attachment I get

"We were unable to load the specified album(s)

Photo server error. Please come back in a few minutes. Error code : 404"

Regards,

Carvel

From: atlas_craftsman@yahoogroups.com
[mailto:atlas_craftsman@yahoogroups.com] On Behalf Of wa5cab@cs.com
Sent: 25 January 2014 06:35 AM
To: atlas_craftsman@yahoogroups.com
Subject: [atlas_craftsman] Attachment Test. [1 Attachment]

[Attachment(s) from wa5cab@cs.com included below]

test

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480

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Friday, 24 January 2014

Re: [atlas_craftsman] Attachment Test.

On 1/25/2014 1:47 AM, Carvel Webb wrote:
> Robert ,
>
> In this southern tip of Africa if I click on the attachment I get
>
> "We were unable to load the specified album(s)
>
> Photo server error. Please come back in a few minutes. Error code : 404"

Worked for me earlier but now gives the same error.

--

----------------------------------------------------------
Scott G. Henion, Stone Mountain, GA
Craftsman 12x36 lathe: http://shdesigns.org/Craftsman12x36
Welding pages and homemade welder: http://shdesigns.org/Welding
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Re: [atlas_craftsman] Attachment Test.

me too in California

From: Carvel Webb <carvelw@absamail.co.za>
To: atlas_craftsman@yahoogroups.com
Sent: Friday, January 24, 2014 10:47 PM
Subject: RE: [atlas_craftsman] Attachment Test.

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RE: [atlas_craftsman] Attachment Test.

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[atlas_craftsman] Attachment Test. [1 Attachment]

[Attachment(s) from wa5cab@cs.com included below]

test

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480

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Attachment(s) from wa5cab@cs.com

1 of 1 Photo(s)

MFB Front.jpg

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Friday, 17 January 2014

[SOUTHBENDLATHE] RE: How do you Test a 3-Phase Converter?

Here is an example of a 120 volt input 1/2 hp drive. You can probably find one cheaper. I would definitely put a VFD on it. Nothing like variable speed via a potentiometer and electric braking.

http://www.ebay.com/itm/Variable-Frequency-Drive-VFD-0-5-HP-120-or-240-Volt-Single-Phase-Input-/350699686623?pt=LH_DefaultDomain_0&hash=item51a7548adf

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RE: [SOUTHBENDLATHE] RE: How do you Test a 3-Phase Converter?

Well I can see that Frequency Control would be easier with a VFD like inverter, and I guess you also get current limiting for free.

For a smallish generator, 2KW is around 3HP, it might not add that much cost to the system.

Jim B.

Nope Jim. They really do do it that way these days. Primarily, at least as far as I've seen, in little <2 KW generators, but that's the way the fancy ones work.

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RE: [SOUTHBENDLATHE] RE: How do you Test a 3-Phase Converter?

We have a 12 KW Generac whole house gen set. It runs at constant
speed no matter the load. It does work harder when the sump pumps come on.

I know it has an armature and stator, I had to take it apart, the
stator is shorted.

Ed S

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RE: [SOUTHBENDLATHE] RE: How do you Test a 3-Phase Converter?

Nope Jim. They really do do it that way these days. Primarily, at least as far as I've seen, in little <2 KW generators, but that's the way the fancy ones work.

As far as I can tell, it's because using an inverter for output, allows the motor to do pretty much anything it pleases, and the output remains a clean 60Hz. This lets them idle down when the load is low, while still maintaining frequency, or drive past 60Hz-synchronous speed to dump extra horsepower into the system when additional output is needed.

Reference, for example:

http://powerequipment.honda.com/generators/inverter-generator-advantages

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