---------------------------------------------------------- Allegro-List Digest Archive --- Total Messages Posted Mon 09/05/16: 2 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 08:08 PM - Re: Strobe bulb, max rpm, cig lighter switch (N456TS) 2. 08:37 PM - Re: fuse holder and starting procedure (N456TS) ________________________________ Message 1 _____________________________________ Time: 08:08:09 PM PST US Subject: Allegro-List: Re: Strobe bulb, max rpm, cig lighter switch From: "N456TS" > Regarding the rough running engine, I have still not solved that issue. It seems to have smoothed out marginally with additional running hours. The plane sat unused for one and a half years before I purchased it, Tuned the engine, including a carb balance, and started running it again. The previous owner said that this 912 80 HP engine should run smooth at any RPM. Any ideas would be appreciated. I would solve your engine issues before adjusting the prop. If you adjust the prop, it will only be masking the real problem. -------- N456TS Read this topic online here: http://forums.matronics.com/viewtopic.php?p=460287#460287 ________________________________ Message 2 _____________________________________ Time: 08:37:38 PM PST US Subject: Allegro-List: Re: fuse holder and starting procedure From: "N456TS" A Rotax should start cleanly and quickly hot or cold. In hot or cold weather. It's not at all like the aviation engines of old. I've uploaded a video clip I happen to have when I started my Allegro. It was a cold engine and 83F weather. You can see the video at: https://youtu.be/mOH_8cDqA30 If your engine isn't starting like this, you have problems. 1. Turn on your electric fuel pump. It can stay on at all times. Rotax now specifically states you should always have it on. To be clear, having the pump on can't force extra fuel into the carburetors (unless there is a carb issue such as a leaking needle valve, heavy or mis-adjusted floats). 2. Throttle at idle. 3. Fuel enricher (choke) on. 4. Start engine. Once engine starts, apply small throttle and turn enricher off. Allow engine to warm up. Below 2,500 RPM until warm. Idle should be 1,800 RPM. The carbs on these engines shouldn't really be tweaked and adjusted. You set them up correctly and they work. If you're changing adjustments all around, something is way out of wack. I would find a Rotax mechanic to find and correct your engine issues. Not a regulator A&P or anyone else who doesn't know Rotax 912's. You can find people at: http://www.rotaxirmt.com It's possible, it's not carb related. It could be weak spark, but further investigation requires hands on access. -------- N456TS Read this topic online here: http://forums.matronics.com/viewtopic.php?p=460289#460289 ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message allegro-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/Allegro-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/allegro-list Browse Digests http://www.matronics.com/digest/allegro-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.