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Post by Flocker on Nov 14, 2019 22:49:30 GMT
Recently my 912iS developed this issue. On the first start of the day, it will start and run for 1-2 seconds then stop. (It always starts and runs on the 2nd attempt). I contacted Lockwood and they said it usually has to do with system voltage so I installed a new battery (Odyssey PC545 - what Tecnam installs). It did not solve the problem. The next time I spoke to Lockwood, I found out that I was not the only one with a P2008 experiencing this. Tecnam, in conjunction with Rotax, is suggesting a larger battery with more CCA (cold cranking amps) - the Odyssey PC625. I plan to fly down to Aircraft Spruce and pick one up on Saturday. I'll report my results here.
Anyone on here, other than sodslinger, experiencing this?
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timb
Full Member
Posts: 117
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Post by timb on Nov 15, 2019 2:06:29 GMT
 Iv'e always had that problem, not every time but fairly often. I'm careful to remember to switch on the avionics backup battery before starting or the lack of juice can cause my Garmin G3X's to reboot. It happens less since I keep the plane plugged in to the battery minder all the time, and I replace the battery every two years rather it needs it or not. Iv'e been tempted to put in a larger battery but realized I would likely need to modify the battery box first. Looking forward to seeing how it works out for you.
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Post by cole505 on Nov 15, 2019 3:23:30 GMT
Hi Guys,
May I ask what type of charger you are using as a trickle charger........ I have that same Battery in my new P-2008 I chose the NOCO G7200 for mine..... I also use a similar charger for my Harley battery it works very well
Ray ✅✈️😎😊👍🏻🇺🇸
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timb
Full Member
Posts: 117
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Post by timb on Nov 15, 2019 3:59:28 GMT
I have a Schauer JAC2512, but for traveling I use a inexpensive small Battery Minder and it seems to work just as well.
Tim
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Post by Flocker on Nov 15, 2019 15:15:01 GMT
Hi Guys, May I ask what type of charger you are using as a trickle charger....... I have the BatteryMINDer - Model 2012-AGM ($105.33). No issues. |
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Post by Flocker on Nov 15, 2019 15:19:01 GMT
Iv'e been tempted to put in a larger battery but realized I would likely need to modify the battery box first. Looking forward to seeing how it works out for you. The 625 is taller than the 545 so I'm planning on at least modifying the strap... The CCAs are 625 vs 545 so hopefully that will solve the problem. You also get a 27 min reserve vs 18. I'll post the results tomorrow. |
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Post by Flocker on Nov 17, 2019 13:08:26 GMT
Installed the Odyssey PC625 yesterday. It did not solve the problem. Good thing Aircraft Spruce accepted the return. Back to the drawing board.
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Post by Flocker on Nov 19, 2019 3:46:34 GMT
Tecnam asked for pics of my starter solenoid. Pics sent. We'll see where that leads us. Stay tuned.
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Post by Flocker on Jan 23, 2020 14:27:18 GMT
As a follow up on this issue - someone on the Rotax Forum suggested the following modified start up procedure...
Start Power ON.
Pumps ON Both. Pressure OK.
Main Pump Only. Pressure OK.
AUX Pump Only. Pressure OK.
Pumps ON Both.
Lane A Power ON. Lamp Clears.
Lane B Power ON. Lamp Clears.
Throttle Open
Propeller "CLEAR!"
START
It has worked for me on the last 6 starts. Engine starts and runs fine.
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Post by LSA Flyer on Jan 23, 2020 22:41:52 GMT
The Rotax 912is Operators Manual specifies the following start procedure:
Master ON
Fuel Pump On [ Notice: Only use one fuel pump when starting the engine. Using both fuel pumps can lead to a bad start behavior.]
Lane A & B both on.
Then start it up, followed by the normal checks.
Its covered in Section 3.4 of the Manual.
This is the only place I've seen the "one pump" at start procedure but it comes directly from BRP, so I follow it. You might give it a try. I turn on the second pump once I see that the generator/s are producing power.
.... and yes, I know the POH says both pumps on at start. So who ya gonna believe, the Italians or the Germans?
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Post by Glenn on Jan 23, 2020 23:52:53 GMT
.... and yes, I know the POH says both pumps on at start. So who ya gonna believe, the Italians or the Germans? Did you mean to say AUSTRIANS...and not Germans? <Sorry, I just couldn't resist.> |
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Post by Flocker on Jan 23, 2020 23:57:54 GMT
.... and yes, I know the POH says both pumps on at start. So who ya gonna believe, the Italians or the Germans? Or some random guy on the Rotax Forum.  Hey, it worked. |
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Post by LSA Flyer on Jan 24, 2020 5:07:25 GMT
Regrets on the Nationality mixup, Gunskirchen, is of course, in Austria.
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Post by Flocker on Jan 30, 2020 0:21:16 GMT
As a follow up on this issue - someone on the Rotax Forum suggested the following modified start up procedure... Start Power ON. Pumps ON Both. Pressure OK. Main Pump Only. Pressure OK. AUX Pump Only. Pressure OK. Pumps ON Both. Lane A Power ON. Lamp Clears. Lane B Power ON. Lamp Clears. Throttle Open Propeller "CLEAR!" START It has worked for me on the last 6 starts. Engine starts and runs fine. While this has worked most of the time, I had a start/stop yesterday using the modified start procedure. Still puzzled by this... |
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Iv'e always had that problem, not every time but fairly often. I'm careful to remember to switch on the avionics backup battery before starting or the lack of juice can cause my Garmin G3X's to reboot. It happens less since I keep the plane plugged in to the battery minder all the time, and I replace the battery every two years rather it needs it or not.
