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Exp_Bus redux

 
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nuckollsr(at)cox.net
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PostPosted: Sun Oct 29, 2006 9:11 am    Post subject: Exp_Bus redux Reply with quote

Quote:
Comments/Questions: Bob, bought your book and am reading it. Also got
somehow a copy of EXP-Bus 99 discussion in which your view of EXP-Bus was
not overly favorable. Am building a no vacume IFR F1 Rocket with Advanced
avionics combined engine/efis , Dynon10 EFIS backup, ps 8000(need marker
beacon or would use yuour isolator), becker transponder and com2
DigiflightIIVSGV and a motion800 with somebody's moving map.

Quote:

Have bought the fuseblock vs breaker concept but think the EXP-BUS is a
posibility - have you changed your mind in the last 6 years.
Also - found one good case for circut breaker - Lowered the flaps on my
210 a few years ago a bit over suggested speed and they wouldn't
retract. Somehow had presence of mind to check circut breaker -was poped
too much force on motor due to speed. Reset and no further drama.


The EXP_Bus probably performs as advertised and is not
'unsafe' . . . but it's what-you-see-is-what-you-get.
Too many switches, too few switches, doesn't offer an
e-bus . . . you're stuck.

If the EXP_Bus does exactly what you want, then no problem.
If you want ot do something different, it's not easy. Further,
the cost of the Exp_Bus is about 2x what it costs to do
EXACTLY what you want with discrete parts. Further, since
you've purchased all your parts individually, you know right
were to get spares for future maintenance.

I think the EXP_Bus is poor value and restricts options
for exploiting any of the architectures in the book.

Bob . . .
---------------------------------------------------------
< What is so wonderful about scientific truth...is that >
< the authority which determines whether there can be >
< debate or not does not reside in some fraternity of >
< scientists; nor is it divine. The authority rests >
< with experiment. >
< --Lawrence M. Krauss >
---------------------------------------------------------


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