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Re: [PSUBS-MAILIST] group submarine designing - good or bad.
It would be open source in that it could be used for profit as long as any improvements/
info developed are put back into the project and made available for all. It's non
commercial in that the PSUBS.org group working on/guiding the project are designing it
specifically to meet the needs of all of us home builders. The project will stagnate as
you predict if a basic spec sheet isn't written quickly so that specific areas of interest
may be developed. I guided a few project in the past, and the trick was to get into the
dirty details as quickly as possible.
1. Who wants to build the speed controller?
2. Who wants to do the view-ports?
3. Life support, anyone?
4. Basic hull?
The only thing the K class is supposed to do for us is give us something to consider.
1. Is it large enough, or is it too small?
2. Is speed/range acceptable, or does it need to be improved.
3. Is it portable enough, or is that a concern?
4. Does it fit within average financial constraints?
5. Is manueverability acceptable?
This is all the K class is supposed to do. You are entirely correct that we have find
ourselves in hot water if we ripped off the design. On the other hand, how much of the
K class technology is actually proprietary? Not much. We shouldn't spend all our time
talking over what a cool idea this all is, but rather focus on the details, just as
you suggested. For instance: I am quite capable of developing either the "black-box"
or the speed controller, or stepper controllers for rudder/duve plane control. Just tell
me what it needs to do exactly, how large a motor? What do you want the black box to store
and or display? Someone just needs to do the same with the hull. Who has experience with
sub pressure hulls? Who has fiberglass experience for fairings? etc.
Warren.
>
>
> "non commercial" vs open source.
>
> If it's "non commericial" then I don't see how it's open source.
> There is no open source project that says you can not use it
> for commerical use. They are plenty of projects that provide
> a "not for commerical use" version, sometimes with source code,
> but this isn't an open source project and calling it an open
> source project would dilute the (already over loaded) term
> "open source". - just my 2 cents.
>
>
> Group submarine project.
>
> Wasn't there a couple of people (from this list?) who tried to
> design a submarine together and after 3 years still had not
> finish the specs stage? (I heard this third hand so I could
> be wrong).
>
>I'm not saying this is a bad idea, although the energy might
> be better spent focusing on more specific areas of submarine
> design, such as a motor control circuit (I remember Ken Martindale
> posted Motor Controller Schematic http://www.psubs.org/pic/motorcontrol.html),
> or a trim tank control system, or Auto-Hover depth control like the
> sport sub, or a black box dive recorded, or nice way of controlling
> a spot lights direction from within the submarine.... etc..
> I.e. things that are really useful to the submarine building
> community.
>
>
> K-350 vs open source.
>
> I don't recall George Kittredge open sourcing his K-350
> design, which means that we don't have permission to create
> works derived from any of Kittredge designs and then give
> the plans away for free. We could produce designs that
> could be used with a K class, "Auto-hover depth control for
> you K-250", but not redesign a K class and then give the
> plans away. I don't think anybody here would buy all the
> rights for the K class off George and then open source it
> either.
>
>
> Talking vs work.
>
> I'm interesting in being a part of this idea, but not
> until I see that real progress is possible. I'm also
> not convinced that it is a good idea to be a psubs
> project, and that it may open psubs.org up to more
> liability than the people running it would wish.
>
>
> Ian.
--
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