From: "Jeff Whaley jwhaley@datacast.com" <flyrotary@lancaironline.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: RE: ECU
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Date: Tue, 18 Sep 2018 12:02:35 +0000
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Neil, you keep mentioning the Rotec carby:  Do you mean their Bing carburet=
or or their TBI as shown on this link: https://www.rotecaerosport.com/tbi
Jeff


Now I am confused!!  Let me start again and where I am coming from is the e=
veryday builder that may consider a rotary over a Lyc.

Price and time will dictate in most cases.  Lets start with a second hand L=
yc  $30,000  That gives "wriggle room" on a rotary of say $15 - 20,000 read=
y to go.

$10,000 for an redrive and ECU does not leave much especially if it is a si=
ngle rotor.

I really like Lynn's suggestion of fixed ignition together with a Rotec car=
by,  Carby $600 USD and fuel is mainly done together with the ability to co=
ntrol mixture via the carby.

THat leaves ignition   NO matter how I look at it with any sort of of ECU i=
t takes little to get to say $2000 -- if you have some idea about computers=
 -- I don't!

What is actually necessary  with a simple ignition?  MY choice in order is =
 Spark and timing. RPM,  A/F ratio,   Engine and oil temp and pressure , Ba=
ttery voltage.  Then whatever turns you on as anything else is not critical=
 to flight or engine health.  I realise that the sky is the limit here but =
all cost money to be balanced against the Rotary vs the Lyc.

Suggestions??  Remember I am computer illiterate. I prefer to say I was bor=
n too early rather than I am totally stupid!!  Price will sway people to a =
rotary rather than "lovely" gadgetry that cost a lot of money.

Neil Unger.