[ATM] Fw: (Was Delrin Stock) now is "clever email trick" (stupidemail trick)

Sun Oct 12 22:52:43 JST 2008

ACCIDENT

DLZ-130


----- Original Message ----- 
From: "DLZ-130" <stainless_steel at suddenlink.net>
To: "ATM list" <atm at atmlist.net>
Sent: Sunday, October 12, 2008 7:22 AM
Subject: [ATM] Fw: (Was Delrin Stock) now is "clever email trick" 
(stupidemail trick)


>I know- it reads as if it has pixctures in it. It did, nice ones. But then,
> witha SINGLE CLICK OF THE MOUSE I changed it to plain text, stripped out 
> the
> pictures, and sent the message!!!!!!
>
> Don't know how or why I would do such a thing. I found the note, one of
> them, and the text was changed, but I sent it anyway. Now I have to 
> rebuild
> it for the other guy. Cyberwhizz, I am not.
>
> DLZ-130
>
>
> ----- Original Message ----- 
> From: "DLZ-130" <stainless_steel at suddenlink.net>
> To: "ATM list" <atm at atmlist.net>; <brianb at myuw.net>
> Sent: Saturday, October 11, 2008 5:37 PM
> Subject: Re: [ATM] delrin stock
>
>
>> Absolutely!!!
>>
>> Tons of stuff. Here are some pictures of the best one I ever made. "The
>> six
>> penny drive" everyone got to calling it. You can see why. No explanations
>> are necessary; it is so simple a sixth grader could build it.
>>
>>
>>
>> See the big brown disc? It has a radius of 11.427", the radius you need
>> for
>> a 1 rpm output motor (commonly available) and a 20 thread, 1/4"
>> diameter drive. Richard is.... Roger Tuthill wrote the definitive piece 
>> on
>> it.
>>
>>
>>
>> This drive will keep a planet ANCHORED in the field of view, no 
>> twitching,
>> wandering, anything. Be sure to use the kind of carpenter'sd
>> tape that winds up with a crank; they are flat, across their width. The
>> spring loaded ones for rewind will not work. Good luck! The idler bearing
>> last to the right, is for varying the tension on the disc, for 
>> convenience
>> in slewing. Worked like a charm! So much for "Professsor Richard". Get
>> some hardware store rod, Richard, and play with it, measure it, feel it,
>> observe it under magnfication.
>>
>> Write again, if you need more info.
>>
>>
>>
>>
>>
>> Now you can see why everyone called it the six penny drive. Write again; 
>> I
>> will help you build it. Oh, yes, go see this article: (differerent, more
>> sophisticated version):
>>
>> http://www.atmpage.org/contrib/Harbour/SectorDrive.html
>>
>>
>> Just a trifle harder to build; build it. "Build it, and he will come".
>>
>> The other one won first prize at the winter star party, at Kankakee,
>> Illinois.
>> ----- Original Message ----- 
>> From: <brianb at myuw.net>
>> To: "DLZ-130" <stainless_steel at suddenlink.net>
>> Sent: Saturday, October 11, 2008 10:54 AM
>> Subject: Re: [ATM] delrin stock
>>
>> Anyone else, for pictures, orf the six penny drive? Cost me $16.00 to
>> build.
>> No, I did not misplace the decimal point.
>>
>>
>>>
>>> dave
>>> I'd be very interested in information on your threaded rod drive.
>>> After a few alt-az scopes I'd like to try to build a Real Mount so that 
>>> I
>>> can have a scope not limited by tracking.
>>> Of course, I'm also not a machinist or a wealthy man.
>>> I've seen your stuff on the web about fork mounts. Do you have anything
>>> more about eq mounts?
>>> I'm polishing out a 10" (65" fl) and am scheming for a mount. (Perhaps
>>> I'll try some Zulu.) What sort of mount do you think would be best for a
>>> scope of these dimensions?
>>> Thanks,
>>> Brian
>>>
>>>
>>>
>>>
>>>
>>> On Sat, 11 Oct 2008, DLZ-130 wrote:
>>>
>>>> Ron,
>>>>
>>>> A very long time ago, Roger Tuthill explained how accurately ordinary
>>>> hardware store all thread rod was made. He said it was rolled between
>>>> two
>>>> dies, under pressure, not turned in a lathe, or made in any other way.
>>>> He
>>>> had his 20" very high amplification Cassegrain at Stellafane, when he
>>>> penned
>>>> this article, and the other Roger published it. He only turned a 7"
>>>> wormwheel with it, via a tape. (or wire, now that I think of it).
>>>>
>>>> He announced how long his effective focal length was; it was ENORMOUS.
>>>> He
>>>> said: "No detectable periodic error". Being inspired by him, I 
>>>> assembled
>>>> an
>>>> even simpler version of his drive. No peroidic error at even 1,000 on 
>>>> my
>>>> 12.5" f/6 Newtonian.
>>>>
>>>> No need to resist hardware store stuff; it is cheap, easy to work with,
>>>> easy
>>>> to find.
>>>>
>>>> Why do people like to avoid what is easy, convenient, and works?
>>>>
>>>> By all means, I am sure that your Delrin rod works fine. Do you think 
>>>> it
>>>> is
>>>> as accurately threaded as the hardware store rod, that Roger Tuthill,
>>>> and
>>>> Dave Harbour uses? Remember, your Delrin rod will have to have threads
>>>> turned in it. The lead screws on almost all lathes is worn, near the
>>>> headstock, progressivley, towards the tailstock. Keep that in mind.
>>>>
>>>> The threads are already done, on the cadmium plated, el-cheapo, el-
>>>> accurate-accurate threaded rod. For a nut, they have long connectors 
>>>> for
>>>> all
>>>> of them.
>>>>
>>>> Anyone who wants a picture of the drive, that would not show so much as
>>>> a
>>>> tiny twitch, at 1,000X, and shows how it is made (almost stupid simple)
>>>> please write, offlist, and I will send several.
>>>>
>>>> The accuracy of America's 60 hertz current is astonishishingly good. He
>>>> (Roger Tuthill) said that, and the threaded rod, accounted for his
>>>> miraculously accurate drive. But I don't need his testimonial; I have 
>>>> my
>>>> own.
>>>>
>>>> DLZ-130
>>>>
>>>> Head out to Ace Hardware, guys. Also, please ask Ron for some of his
>>>> Delrin
>>>> stock.
>>>>
>>>> Ask for pictures on how to build this hardware store drive. NO 
>>>> MACHINING
>>>> REQUIRED.
>>>>
>>>>
>>>> ----- Original Message -----
>>>> From: "Ron Lippard" <renrepro at gmail.com>
>>>> To: <atm at atmlist.net>
>>>> Sent: Friday, October 10, 2008 9:01 PM
>>>> Subject: [ATM] delrin stock
>>>>
>>>>
>>>>>
>>>>>    Dear List,
>>>>>  I have come into a small amount (about 20 sticks)of black and white
>>>>> delrin/ nylon stock. I believe it is 1 3/8" to 2" round stock. Any
>>>>> interest may reply off-list. The material works well and may hold a
>>>>> fine
>>>>> thread.
>>>>>     regards, Ron
>>>>> _______________________________________________
>>>>> ATM mailing list http://www.atmlist.net/
>>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> ATM mailing list http://www.atmlist.net/
>>>>
>>>
>>>
>>>
>>
>>
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