From: "steve Izett" <flyrotary@lancaironline.net>
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Subject: Re: [FlyRotary] (FlyRotary) Re: Tuning EC2
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Date: Wed, 3 Feb 2016 09:29:53 +0800
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>

Thanks Jeff
I=E2=80=99ll give that a go.
Steve
> On 3 Feb 2016, at 4:10 AM, Jeff Whaley <flyrotary@lancaironline.net> =
wrote:
>=20
> Steve, there is no need to exceed 5 mins at "full tilt", in fact you =
only need to be there for 15-20 seconds as it is only one data point.  =
If you want extended ground operations in general then YES, you will =
need some kind of intervention.  I would recommend a garden hose =
(attached somehow) spraying directly onto your radiator cores.
> Tune the EC2 for fuel flow - manuals says at 24" MP; take it to WOT =
and tune that data point or fuel bin. The values required between 24" =
and 30" MP should be a smooth gradually increasing slope and the easiest =
portion of the EC2 MAP to work with and the most consistent results =
between ground tuning and actual flight characteristics.  Tuning around =
the Staging Point and down to idle is much more difficult and will =
require in-flight monitoring and or adjustments ...   Jeff
>=20
> From:   steve Izett <flyrotary@lancaironline.net>
> Subject:        Tuning EC2
> Date:   Tue, 2 Feb 2016 20:33:27 +0800
> To:     Rotary motors in aircraft <flyrotary@lancaironline.net>
>        Message Header
>=20
> Undecoded Message
>=20
> Hi Guys
> We are trying to tune our engine in OAT of approaching 100F and only =
have about 5 mins or so at full tilt before temps get to red line.
> For you guys in hotter climates how did you keep your engine cool long =
enough to do some tuning?
> We are thinking about trying to spraying gobs of water into the =
radiator/s to suck some heat out of the system.
> Any one got experiences of doing this?
> I'm just getting familiar with the EC2 and wondering how long it took =
some of you to get the tuning right.
> I'm hoping one of the closed loop modes will greatly reduce the =
exercise once Ive got it somewhere close.
>=20
> Feedback much appreciated
>=20
> Steve Izett
> Renesis RD1C EC2 EM3
>=20
>=20
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>=20
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