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LinJun
Joined: 18 Aug 2013
Posts: 7
Location: China
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 Posted: Fri Mar 14, 2014 2:41 am Post subject: M-14P can not reach max rpm |
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My M-14P can not reach 2950rpm for 2 month, sometime the high rotate speed was around 2840rpm, sometime around 2600rpm. Are there anybody ever had this problem? Or know how to fix this problem? Thank you.
BTW, the governor o-ring has problem, sometime oil leaked from control axes.
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dsavarese0812(at)bellsout
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| Posted: Fri Mar 14, 2014 3:46 am Post subject: M-14P can not reach max rpm |
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Assuming the blade angles have not been changed and no one has tried to adjust the position of the arm (other than maybe the high pitch stop) it sounds like your prop governor may be the problem.
If you replace the prop governor, the proper adjustment procedure is in the M14P maintenance manual. I've attached it for your convenience.
Dennis
| Quote: | A. Dennis Savarese
334-285-6263
334-546-8182 (mobile)
www.yak-52.com
Skype - Yakguy1 |
On 3/14/2014 5:41 AM, LinJun wrote:
| Quote: | | Quote: | --> Yak-List message posted by: "LinJun" <jxlinjun(at)163.com> (jxlinjun(at)163.com)
My M-14P can not reach 2950rpm for 2 month, sometime the high rotate speed was around 2840rpm, sometime around 2600rpm. Are there anybody ever had this problem? Or know how to fix this problem? Thank you.
BTW, the governor o-ring has problem, sometime oil leaked from control axes.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=420330#420330
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M14_Prop_Governor_Adjustment_Procedure.pdf |
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LinJun
Joined: 18 Aug 2013
Posts: 7
Location: China
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| Posted: Sat Mar 15, 2014 4:25 am Post subject: Re: M-14P can not reach max rpm |
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Thank you Dennis,
I did not changed propeller angles, and have removed the limit stop, but the problem was still there. I also wonder if the governor got problem,but I have no backup governor.
Jun
| dsavarese0812(at)bellsout wrote: | Assuming the blade angles have not been changed and no one has tried to adjust the position of the arm (other than maybe the high pitch stop) it sounds like your prop governor may be the problem.
If you replace the prop governor, the proper adjustment procedure is in the M14P maintenance manual. I've attached it for your convenience.
Dennis
| Quote: | A. Dennis Savarese
334-285-6263
334-546-8182 (mobile)
www.yak-52.com
Skype - Yakguy1 |
On 3/14/2014 5:41 AM, LinJun wrote:
| Quote: | | Quote: | --> Yak-List message posted by: "LinJun" <jxlinjun> (jxlinjun(at)163.com)
My M-14P can not reach 2950rpm for 2 month, sometime the high rotate speed was around 2840rpm, sometime around 2600rpm. Are there anybody ever had this problem? Or know how to fix this problem? Thank you.
BTW, the governor o-ring has problem, sometime oil leaked from control axes.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=420330#420330
|
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| | - The Matronics Yak-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?Yak-List |
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dsavarese0812(at)bellsout
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| Posted: Sat Mar 15, 2014 5:28 am Post subject: M-14P can not reach max rpm |
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Yes, that is certainly possible since you said the governor on your engine was exhibiting a leak around the shaft. I'm sure you can purchase a governor from one of the parts suppliers. Maybe someone on the list has a used/serviceable governor they would like to sell?
Dennis
| Quote: | A. Dennis Savarese
334-285-6263
334-546-8182 (mobile)
www.yak-52.com
Skype - Yakguy1 |
On 3/15/2014 7:25 AM, LinJun wrote:
[quote] | Quote: | --> Yak-List message posted by: "LinJun" <jxlinjun(at)163.com> (jxlinjun(at)163.com)
Thank you Dennis,
I did not changed propeller angles, and have removed the limit stop, but the problem was still there. I also wonder if the governor got problem,but I have no backup governor.
Jun
dsavarese0812(at)bellsout wrote:
| Quote: | Assuming the blade angles have not been changed and no one has tried to adjust the position of the arm (other than maybe the high pitch stop) it sounds like your prop governor may be the problem.
If you replace the prop governor, the proper adjustment procedure is in the M14P maintenance manual. I've attached it for your convenience.
Dennis
On 3/14/2014 5:41 AM, LinJun wrote:
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Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=420369#420369
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