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  #1  
Old 11-03-2013, 06:08 PM
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Paris12Man Paris12Man is offline
 
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Location: Paris, TX
Posts: 264
Default Which plugs?

Does anyone know for sure which spark plugs are controled by ignition switch A (upper or lower)? or does anyone know the page number in Rotax's manual that has the info.? Thank you.
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N905RV - 520 hrs to date
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  #2  
Old 11-03-2013, 07:27 PM
mrt890 mrt890 is offline
 
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Location: Friday Harbor, Wa
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Default

Module A is 1 and 2 top, 3 and 4 bottom. Heavy maintenance manual Sec 74-00-00 page 25
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  #3  
Old 11-03-2013, 09:41 PM
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Paris12Man Paris12Man is offline
 
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Default Thanks

Thank you. I downloaded the manual and found the information. Steve
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N905RV - 520 hrs to date
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  #4  
Old 11-04-2013, 06:34 AM
roger lee roger lee is offline
 
Join Date: Sep 2013
Location: Tucson, AZ
Posts: 322
Default

FYI,

I would advise everyone with a Rotax engine to go to Rotax-owner.com and download all 5 manuals. You absolutely will need them and they have almost all the info you'll need. They are your engine Bible.
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  #5  
Old 11-04-2013, 08:03 AM
Dave12 Dave12 is offline
 
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Location: Elkton, Md.
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Default

Quote:
Originally Posted by mrt890 View Post
Module A is 1 and 2 top, 3 and 4 bottom. Heavy maintenance manual Sec 74-00-00 page 25
Is module A the one that mounts on top or the bottom? I am suspecting a bad module on my ignition A as when I perform the ignition check, when ignition switch B is switched off, the engine quits. This is an intermittent problem. Installed a buddy's modules and all is good. Has anyone seen this before?
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Wag Aero Sport Trainer built,sold and wrecked
N588DF RV12 #336 built, sold and alive and well in New York
N73DF RV12 #244 built, sold and alive and well in Florida
N91 RV RV9 I wish I could say I built this one! Mark Santoleri hit the ball out of the park on this gem.
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  #6  
Old 11-04-2013, 08:48 AM
JBPILOT JBPILOT is offline
 
Join Date: Nov 2007
Location: Jesup, Iowa
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Default Yes - -

I have posted a few times that I had BOTH modules fail between 400 - 500 hours. Get a reduced price PAIR of soft-start from Lockwood, or one of the major suppliers. My first started showing on/off cycles, then failed all together. The second just stopped working.
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  #7  
Old 11-04-2013, 10:54 AM
Dave12 Dave12 is offline
 
Join Date: Oct 2010
Location: Elkton, Md.
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Quote:
Originally Posted by JBPILOT View Post
I have posted a few times that I had BOTH modules fail between 400 - 500 hours. Get a reduced price PAIR of soft-start from Lockwood, or one of the major suppliers. My first started showing on/off cycles, then failed all together. The second just stopped working.
My theory is these things cook after the engine is cut off and no air flow in the tight canopy. I have been opening the oil door after shut off to allow hot air to escape. These modules should last longer than 260 hours.

Thanks JB.
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Wag Aero Sport Trainer built,sold and wrecked
N588DF RV12 #336 built, sold and alive and well in New York
N73DF RV12 #244 built, sold and alive and well in Florida
N91 RV RV9 I wish I could say I built this one! Mark Santoleri hit the ball out of the park on this gem.
Currently restoring a 1978 Citabria GCBC
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  #8  
Old 11-04-2013, 02:09 PM
JBPILOT JBPILOT is offline
 
Join Date: Nov 2007
Location: Jesup, Iowa
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Default Hey Dave - -

I have also posted pictures of THERMAL TEMP STRIPS on the places that should show ultimate temps reached at any point. I trust them. The ign modules are at 140 degrees F. The Rec/Reg is at 150 degrees F. I would advise putting them on. I think they give us a good idea of what temps are being reached. True, a hot spot opposite the temp strip might miss a spike, but I think the heat builds slowly and fairly uniformly in these areas.
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  #9  
Old 11-04-2013, 04:03 PM
Dave12 Dave12 is offline
 
Join Date: Oct 2010
Location: Elkton, Md.
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Default

I ordered a new pair of modules today. They are on back order and no one has them, should be a month or so for delivery. All of the sources said that they have had a run on these over the past few months. Also, no joy with help from Rotax on them. Apparently it has been determined that they are getting too hot in our application.
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Wag Aero Sport Trainer built,sold and wrecked
N588DF RV12 #336 built, sold and alive and well in New York
N73DF RV12 #244 built, sold and alive and well in Florida
N91 RV RV9 I wish I could say I built this one! Mark Santoleri hit the ball out of the park on this gem.
Currently restoring a 1978 Citabria GCBC
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  #10  
Old 11-04-2013, 04:31 PM
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Paris12Man Paris12Man is offline
 
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Location: Paris, TX
Posts: 264
Default

When these ignition modules go bad, do they fail completely or is it possible that they could only affect 1 plug or 2 etc?
Thanks, Steve
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N905RV - 520 hrs to date
Home field XS30
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