From: "Neil Unger 12348ung@gmail.com" <flyrotary@lancaironline.net>
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Subject: Re: [FlyRotary] Re: ECU
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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Date: Wed, 19 Sep 2018 07:26:28 +1000
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Jeff,  The TBI is the one, basically a copy of the Bing.  Neil.


On 9/18/2018 10:02 PM, Jeff Whaley jwhaley@datacast.com wrote:
> Neil, you keep mentioning the Rotec carby:  Do you mean their Bing carburetor 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 everyday builder that may consider a rotary over a Lyc.
>
> Price and time will dictate in most cases.  Lets start with a second hand Lyc  $30,000  That gives "wriggle room" on a rotary of say $15 - 20,000 ready to go.
>
> $10,000 for an redrive and ECU does not leave much especially if it is a single rotor.
>
> I really like Lynn's suggestion of fixed ignition together with a Rotec carby,  Carby $600 USD and fuel is mainly done together with the ability to control mixture via the carby.
>
> THat leaves ignition   NO matter how I look at it with any sort of of ECU it 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 , Battery 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 born 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.
>
> --
> Homepage:  http://www.flyrotary.com/
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