X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f X-Recipient: geda-user AT delorie DOT com X-TCPREMOTEIP: 50.241.103.195 X-Authenticated-UID: jpd AT noqsi DOT com From: John Doty Content-Type: multipart/alternative; boundary="Apple-Mail=_AC46AAC5-34FE-494F-9DE0-661F149DECB8" Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\)) Subject: Re: [geda-user] Re: Project file Date: Wed, 25 Jul 2018 13:46:22 -0400 References: <20180723152807 DOT 13d27cadcd023b63aa3fd9c0 AT gmail DOT com> <20180723174658 DOT 32979841DEBA AT turkos DOT aspodata DOT se> <20180723195942 DOT 605CB841DEBA AT turkos DOT aspodata DOT se> <20180724132731 DOT 76074841DEBC AT turkos DOT aspodata DOT se> <20180724161712 DOT f0082dda1044e41179fa82f0 AT gmail DOT com> <20180724145644 DOT 122BA841DEC5 AT turkos DOT aspodata DOT se> To: geda-user AT delorie DOT com In-Reply-To: Message-Id: <89E39D8F-0776-4E91-A133-3D431FD4047E@noqsi.com> X-Mailer: Apple Mail (2.3273) Reply-To: geda-user AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: geda-user AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk --Apple-Mail=_AC46AAC5-34FE-494F-9DE0-661F149DECB8 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > On Jul 25, 2018, at 1:18 PM, Bdale Garbee wrote: >=20 > I'm curious about this too, because I work really hard to not have = anything change at this level between prototype and production, = myself=E2=80=A6 When you=E2=80=99re designing stuff to go into space, prototype parts = have to be things you can acquire without too much delay. Production = parts often have to be blessed by the shamans. These are incompatible = requirements. I=E2=80=99ve worked on missions where we were allowed to tell the = shamans to go away and leave us alone, and the resulting electronics = worked fine in space. Production boards were identical to prototype = boards, but with more care in inspection and testing. Saved time, mass, = and of course money. The spectacularly successful HETE-2 was largely = constructed of prototype boards upgraded to flight status through = inspection and testing after the failure of HETE-1=E2=80=99s launch = vehicle. But the shamans don=E2=80=99t want to hear things like this. >=20 > Bdale >=20 > On July 25, 2018 10:34:46 AM MDT, Roland Lutz = wrote: > On Tue, 24 Jul 2018, John Doty wrote: > You may have different symbol libraries for prototype and production. >=20 > How would these symbols be different: in top-level attributes, in pin=20= > attributes, in pin geometry, or in graphical design? >=20 >=20 > --=20 > Sent from my Android device with K-9 Mail. Please excuse my brevity. John Doty Noqsi Aerospace, Ltd. http://www.noqsi.com/ jpd AT noqsi DOT com --Apple-Mail=_AC46AAC5-34FE-494F-9DE0-661F149DECB8 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8
On Jul 25, 2018, at 1:18 PM, Bdale Garbee <bdale AT gag DOT com> = wrote:

I'm curious about this too, because I work really hard to not = have anything change at this level between prototype and production, = myself=E2=80=A6

When = you=E2=80=99re designing stuff to go into space, prototype parts have to = be things you can acquire without too much delay. Production parts often = have to be blessed by the shamans. These are incompatible = requirements.

I=E2=80=99ve worked on = missions where we were allowed to tell the shamans to go away and leave = us alone, and the resulting electronics worked fine in space. Production = boards were identical to prototype boards, but with more care in = inspection and testing. Saved time, mass, and of course money. The = spectacularly successful HETE-2 was largely constructed of prototype = boards upgraded to flight status through inspection and testing after = the failure of HETE-1=E2=80=99s launch vehicle. But the shamans don=E2=80=99= t want to hear things like this.


Bdale

On July = 25, 2018 10:34:46 AM MDT, Roland Lutz <rlutz AT hedmen DOT org> = wrote:
On Tue, 24 Jul 2018, John Doty wrote:
 You may =
have different symbol libraries for prototype and production.

How would these symbols be =
different: in top-level attributes, in pin 
attributes, in =
pin geometry, or in graphical design?


--
Sent from my Android device with K-9 Mail. Please excuse my = brevity.

John Doty              Noqsi = Aerospace, Ltd.

http://www.noqsi.com/

jpd AT noqsi DOT com

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