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Date: Sat, 30 Jul 2011 03:30:51 -0400
From: Finn Lassen <finn.lassen@verizon.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Back to Phase 1 testing
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Nope, happened to me too.

Finn

On 7/29/2011 5:22 PM, Ed Anderson wrote:
> Gee, two rotors to come home on doesn't provide much excitement, Tracy.
>
> Sort of reminds me way back in the old days of using the Rx-7 ignition 
> coils and ballast resistors blowing on them.  For some reason seems 
> like that only happened to you and me.
>
> We are all awaiting some performance numbers for that RV8-3R, so next 
> time take your bottle and give those Ls1 coils a real try out.
>
> Ed
>
> --------------------------------------------------
> From: "Tracy" <rwstracy@gmail.com>
> Sent: Friday, July 29, 2011 2:13 PM
> To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
> Subject: [FlyRotary] Re: Back to Phase 1 testing
>
>> Was finally getting around to doing hot weather cooling and altitude 
>> performance testing in the RV-8 yesterday.   Cooling was good during 
>> a high power climb to 14500 ft where I leveled out ( I had forgotten 
>> to put the Ox bottle in the plane).   Throttled up to WOT to see 
>> where the speed topped out at but.   After less than a minute I felt 
>> some engine roughness and noticed rotor 3 EGT went above alarm 
>> threshold so I throttled back to low power.   #3 EGT then went low 
>> off scale and I could tell that the engine was only running on 2 
>> rotors.   I then smelled a faint electrical burning smell that lasted 
>> about 2 minutes.   Engine was surprisingly smooth for having a dead 
>> rotor and still had more than enough power for cruise flight but 
>> obviously it was time to get back on the ground and find out what 
>> went wrong.   did all the usual diagnostics on the long glide down 
>> with no joy.
>>
>> Made normal landing, poped off the cowl and coil diagnostics test 
>> revealed that both coils on rotor 3 were dead.   I had done the coil 
>> disable tests prior to takeoff so I know they were both good then.  
>> I'm using RX-8 coils and there have been too many failures for me to 
>> feel good about them any longer.   I ordered a set of LS-1s to 
>> replace them.
>>
>> Tracy
>> -- 
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>>
>
> -- 
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