Who is interested in a groupbuy of Mark Kelly's DC controller PCB and related parts - Page 46 - diyAudio
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Old 26th September 2006, 11:02 PM   #451
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Location: Willy, VIC
It's not because you're new, I have my board email turned off permanently.

There are no boards or kits available at the moment.

I will not willingly get myself into doing kits ever again but I might be making some new controller boards in the next few months as my new DC controller will use the same board as a base.

No new speed selector boards will be made but with hindsight I think it was far more complex than it needed to be - a pair of 10k 25 turn pots and a switch would do you just as well.

You do not have my permission to copy the board design, I reserve the copyright.

The circuit design itself is public domain and you may design and make your own boards if you wish.
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Old 27th September 2006, 05:44 AM   #452
sdsmith is offline sdsmith  United States
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Thank you for the reply (and do not read this sarcastically),
It was not my intention to copy your design for any other purposes than to solve my own issue. My knowledge of electrical design and implementation is limited so it was a wild chance that your design (just the PCB and parts only, not for copying comercially) was available to purchase. I'm sorry than you do not have any additional PCB available to sell, I would have ordered. I would also like to express that I sincerly did not want to imply that I wanted to violiate your intellectual property. I know from past experences that all of the hard work and issues that arrive from solving interesting problems can be frustrating when someone else attemps to 'take credit'. There is enough information that is in the public domain for me (in time) to create something that I will be able to use.
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Old 27th September 2006, 05:54 AM   #453
jwb is offline jwb  United States
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Hi, I don't want to rain on your parade of intellectual property but, at least in the USA, the design of a useful, tangible thing cannot be copyrighted. There is no such thing as either copyright or public domain for circuits nor board layouts.
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Old 27th September 2006, 08:27 AM   #454
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Quote:
Originally posted by sdsmith
Thank you for the reply (and do not read this sarcastically),
It was not my intention to copy your design for any other purposes than to solve my own issue. M
I'm sorry I came across so harshly.

I should explain my position better. The original drive was an article in Bas Horneman's DIY mag and so I consider it to be free for anyone to use (public domain).

I am re-using some of the design in my new controller which locks the motor speed to an externally generated clock. This will be offered commercially through an agent in Japan (and hopefully USA and Europe) and I would like to protect it as far as I can. Since the board layout is part of this design I would like to reserve all rights in it.

Quote:
Originally posted by jwb
Hi, I don't want to rain on your parade of intellectual property but, at least in the USA, the design of a useful, tangible thing cannot be copyrighted. There is no such thing as either copyright or public domain for circuits nor board layouts.
You may well be right as IP laws vary all over the place but I understand that in Australia PCB layout is a protectable creative act. I believe that the US / Australian FTA means that the US recognises my rights.
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Old 29th September 2006, 01:29 PM   #455
DaveM is offline DaveM  United States
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One last heads up. The pullies are done and all faced off. I have been trying to get the shop manager to give me a final $ amount that should be paid for the work done. From our last conversation, my previous cost estimates should cover things. I will be moving ahead with invoicing as soon as I have a final total cost. This may begin this weekend. If not I should be able to start in on it next week.

DaveM
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Old 2nd October 2006, 04:23 PM   #456
sklimek is offline sklimek  United States
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Default Maxon motor GP...

I missed out on superhkm’s Maxon motor #110191 group buy, and recently contacted MaxonMotorUSA to see what the availability was and heard back from a Chuck Fogleman who quoted me these prices:

Here are the price breaks for motor 110191 a-max 26mm

1 $250.00
2 $125.00 each
3-4 $106.70 each
5-19 $83.90 each

Based on current availability 1 motor could ship 2 days ARO PO from EAST
coast.

Terms: credit card or UPS COD

Regards,

Chuck Fogleman
650 697-9614 X 239

I just tried to reach Chuck but he is out of the office until Oct. 16 on vacation.

I am wondering if there would be enough interest for another group buy on these motors especially if we can get to the 5+ quantity.

I don’t have as much time these days to be on the net as I am on the road 11 days out of 14, constantly, but can call Chuck when I get back if there seems to be enough people to put this together?

If anyone who might be interested could post, I’ll or anyone could call Chuck when he gets back and we’ll see if we can get this worked out.

Stan

edit: I noticed he mentioned that these were for "110191 a-max 26mm" does anyone know if the (a-max 26mm) designation is correct?
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Old 2nd October 2006, 04:57 PM   #457
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Quote:
1 $250.00
2 $125.00 each
Who would buy 1 if you can get 2 for the price of one?
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Old 2nd October 2006, 10:21 PM   #458
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when i called they said something like $125 each minimum order of $250. Chuck must just be saving the small talk and figuring one can figure it out for them self.
FortyTwo
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Old 2nd October 2006, 10:47 PM   #459
sklimek is offline sklimek  United States
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Quote:
Originally posted by fortytwo
when i called they said something like $125 each minimum order of $250. Chuck must just be saving the small talk and figuring one can figure it out for them self.
FortyTwo
Hi, yeah I really don't know. I just figure lets see if Chuck will hold to what he emailed me back and see if it flys when he returns???
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Old 3rd October 2006, 12:39 AM   #460
Aengus is offline Aengus  Canada
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Stan said:
Quote:
I am wondering if there would be enough interest for another group buy on these motors especially if we can get to the 5+ quantity.
I'm in at the 5+ level, and possibly the 3-4 qty.

Stan, thank you for taking the initiative here.
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