I admit, Al, that unit does have a
boat load of features, flexibility and capability – also agree, that true
redundancy is very hard (and generally expensive ) to achieve. To achieve
something similar to your two VIpec 88s from a redundancy perspective, I would
have to get another EC2. However, looking at all the capability and
features of your unit, I would hazard a guess that it might be a bit much for a
neophyte to deal with.
But, the important thing is that the unit
meet your criteria for safe, worry-free flying.
From: Rotary motors in aircraft
[mailto:flyrotary@lancaironline.net] On
Behalf Of Al Wick
Sent: Saturday, July 04, 2009 7:06
PM
To: Rotary
motors in aircraft
Subject: [FlyRotary] Re:
Corruption of EC settings
I don't know. I think it's (vi-pec V88) in the $2k range.
>I read over the specs and did not see
any redundancy listed for the ViPec-88 – did I miss it?
It's not redundant. I'm using two for redundancy. Keeping in mind that redundancy has value only when
the two devices have independent failure modes....no components in common, no
common failure modes. If I were using oem ECU's, which have extreme robust design
(not affected by electrical noise for example), I would not bother to have
redundant ECU's. I keep finding significant design oversights with custom
ecu's. Poor handling of sensor errors, sensitive to noise, etc. So I use two.
Fwiw.
----- Original Message -----
Sent: Saturday, July 04,
2009 3:00 PM
Subject: [FlyRotary] Re:
Corruption of EC settings
I've installed Megasquirt, Haltech, and now Vi-Pec ECU's
(not rotary installs). Most impressed with the Vi-Pec so far. The others had
various issues.
Vi-Pec V88 is highly flexible. No special wiring for
various injectors. Lot's of extra sensors and
outputs available. One of the few to be able to handle unusual crank
signals (not applicable to rotary). Very good documentation, the others were
fair at best. I have two on my plane for genuine redundancy. I'd give it strong
consideration. Guess I'd describe it as sophisticated, robust, yet friendly.
----- Original Message -----
Sent: Saturday, July 04,
2009 11:19 AM
Subject: [FlyRotary] Re:
Corruption of EC settings
Al Gietzen wrote:
>
> Al,
>
> Do you know of any alternatives out there now that might be worth a look?
>
> Bryan
>
> Preparing to commit $$$ to EC
>
> Bryan;
>
> I haven’t looked any further since prior to the final stages of
> getting my EC2 working. The basic issue (besides cost) is always that
> the systems are set up for automotive use, and although they may be
> noise tolerant, have complexities that make them awkward for aviation
> use. And there is the issue of redundancy. Tracy had good reason for
> developing his own.
>
> Al
>
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