Mailing List flyrotary@lancaironline.net Message #61075
From: steve Izett <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Changing from Renesis to D585 coils
Date: Fri, 13 Jun 2014 09:22:40 +0800
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Hi Bill

We're using the D585 coils. 
Yes the EC2 needs to be reprogrammed for the change in dwell - 2.4mSec -> ~4 mSec.
I haven’t upgraded the software yet, the engine is running without load on the old 2.4mSec dwell setting.

I got the coils on Amazon and the connectors on ebay.
I’ve attached a photo of what we did.
I can only send 300K to the list so more photos are available if you give me another email address.

Cheers

Steve Izett
Renesis 4 port EC2 EM3 RD1C - nearly finished!!



On 13 Jun 2014, at 3:41 am, Bill Bradburry <flyrotary@lancaironline.net> wrote:

This has been discussed before I think.  If I should change from the Renesis coils what changes are required?
 
I think I would have to:
1. send the EC-2 to Tracy for reprogramming.  Is Tracy still supporting the EC-2 now that he is retired?
 
2. make up a wiring harness with connectors for the D585 coil.
 
3. fabricate a mounting bracket for the coils.
 
4. buy new plug wires to fit the connectors on the coils.  Can I modify my existing Renesis wires to fit these coils?  If not, which brand wire is best?
 
What am I overlooking?  It seems that the D581 or D585 coils are better than the D580 with the D585 the best of the three and with a heat sink built in.  so is the D585 the coil of choice and where is the best source for these coils?
 
Bill B

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