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Steve, where is your battery located? Engine compartment or nose??
Long leads can drop a lot of voltage under cranking current. New engine may
have higher compression and may take more juice than previous engine to
turn it over fast enough. The fact that your old engine was also hard to
start makes me wonder.
Ed
Ed Anderson
Rv-6A N494BW Rotary Powered
Matthews, NC
eanderson@carolina.rr.com
http://www.andersonee.com
http://www.dmack.net/mazda/index.html
http://www.flyrotary.com/
http://members.cox.net/rogersda/rotary/configs.htm#N494BW
http://www.rotaryaviation.com/Rotorhead%20Truth.htm
-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
Behalf Of Steve Brooks
Sent: Saturday, November 07, 2009 4:46 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: No start after engine replacement
That's interesting. I had not made any changes to mode 8, but it is
certainly easy enough to reset it to default.
Steve
Steven W. Boese wrote:
> Steve,
>
> It might be useful to reset the EC2 timing mode 8 setting to the default
setting. My EC2's do not produce consistent or strong sparks at RPM's less
than about 1200 if the EC2 timing is advanced using mode 8. The greater the
advance, the weaker the spark. Occasionally there will be a strong spark,
but the timing on these is very retarded. With my EC2's, the most
consistent low RPM sparks are obtained at the most retarded mode 8 setting,
but the EC2 must be receiving CAS signals (engine running) in order to make
this change.
>
> Steve Boese
>
> ________________________________________
> From: Rotary motors in aircraft [flyrotary@lancaironline.net] On Behalf Of
Steve Brooks [cozy4pilot@gmail.com]
> Sent: Saturday, November 07, 2009 1:09 PM
> To: Rotary motors in aircraft
> Subject: [FlyRotary] No start after engine replacement
>
> I replaced my original engine with another newly rebuilt block, and also
> added the EM-3 to the installation. The old engine was hard to start,
> and was also making a ticking noise when it did start, which didn't used
> to be there.
>
> After several failed attempts, and double checking the connections, I
> had a neighbor help me do some testing. While the ignition test runs
> fine, when checking one of the plugs, it sparks when I initially crank
> the engine, and then stops. Once in a while there will be another
> spark, but not very often.
>
> I reinstalled the original CAS and have the same issue. I have double
> checked the CAS connections and checked them with an ohm meter to the
> connector on the EC-2 also. Everything seems to check out, yet I get
> only that initial spark. I have replaced the spark plugs with new ones,
> and whenever I pull one to check it, is is wet with fuel, which is no
> surprise.
>
> I am wondering if anyone has seen this type of problem, or if you have
> any suggestions.
>
> Regards,
> Steve Brooks
> Cozy MKIV 13B turbo
>
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