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#1
07-20-2012, 04:19 PM
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Rotax ignition help
I just installed my new 670 on my Butterfly, but it won't start. Appears that there is no spark. I don't know the electrical system for this. Could somebody please help me diagnose this? Rotax Rick said he ran it on his stand. Help please!
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Glenn Kerr PPSEL Airplane Sport Pilot - Gyroplane PRA# 41749 Member: PRA Chapter 2 "If you are flammable and have legs, you are never blocking a fire exit." (Mitch Hedberg) 
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#2
07-20-2012, 11:57 PM
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Are you using the dual ducatti ign from a 582, or are you using the single snowmachine ign?
__________________
The government cannot give anything to anybody that the Government does not first take from somebody else. “I prefer dangerous freedom over peaceful slavery.” - Thomas Jefferson Scott Essex....Flying H Ranch
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#3
07-21-2012, 03:28 AM
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Thanks, Scott.
It has the dual ignition that Rotax Rick took off my 618. Farmer Jim gave me the number of their Rotax Technician and I got on the phone with him last evening. I have a couple of things to check this morning and then I'll be getting back on the phone with him. I think he'll be able to help me get this working. Stay tuned...
__________________
Glenn Kerr PPSEL Airplane Sport Pilot - Gyroplane PRA# 41749 Member: PRA Chapter 2 "If you are flammable and have legs, you are never blocking a fire exit." (Mitch Hedberg)
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#4
07-21-2012, 03:33 AM
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OK good, I hope it is something simple.
__________________
The government cannot give anything to anybody that the Government does not first take from somebody else. “I prefer dangerous freedom over peaceful slavery.” - Thomas Jefferson Scott Essex....Flying H Ranch
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#5
07-21-2012, 06:10 AM
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Hey Glenn, Might be a stupid question but is your ignition perhaps grounded, causing it to not fire? I found that CPS has some fair articles and pictures to help diagnose. http://www.800-airwolf.com/articles.htm
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#6
07-21-2012, 07:46 PM
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Flooded.
 Spark test failed because I wasn't pulling hard enough. I didn't know it needed 400 rpm before it would fire. A couple of quick tests this morning and then I rolled it outside and it fired right up. Got 2 hours of flight testing in today and it seems to be running well. More testing tomorrow. Looks like I'll be flying at Mentone. 
__________________
Glenn Kerr PPSEL Airplane Sport Pilot - Gyroplane PRA# 41749 Member: PRA Chapter 2 "If you are flammable and have legs, you are never blocking a fire exit." (Mitch Hedberg)
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#7
07-22-2012, 05:37 AM
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I've worked on/with many of these Rotax engines from that era with the Nipp ignition. Great system. Almost never see a failure. They'll pop a bright blue spark with just a quick flip over TDC.
To bad a dual Nipp system wasn't available. Much better setup in my opinion than a Ducatti and parts are much less. Glad it's running for ya. opsled
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I reserve the right to change my mind if someone can prove to me it needs replacing.
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