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#1
April 1st 08, 05:38 AM
posted to rec.aviation.piloting
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Big Q for the Prop Experts?
Take a look at these photos let me know what you think? Note only 43
hours on bird found when diagnosing the CHT probe failure. MT Prop On SMA diesel. http://www.internationalferryflights...l/PIC-0078.jpg http://www.internationalferryflights...l/PIC-0079.jpg 
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#2
April 1st 08, 07:00 AM
posted to rec.aviation.piloting
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Big Q for the Prop Experts?
On Mar 31, 9:38 pm, wrote:
Take a look at these photos let me know what you think? Note only 43 hours on bird found when diagnosing the CHT probe failure. MT Prop On SMA diesel. http://www.internationalferryflights...l/PIC-0078.jpg http://www.internationalferryflights...l/PIC-0079.jpg Sorry all should have said prop spacer.
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#3
April 1st 08, 11:59 AM
posted to rec.aviation.piloting
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Big Q for the Prop Experts?
wrote ... Take a look at these photos let me know what you think? Note only 43 hours on bird found when diagnosing the CHT probe failure. MT Prop On SMA diesel. http://www.internationalferryflights...l/PIC-0078.jpg http://www.internationalferryflights...l/PIC-0079.jpg What's your issue? The only thing that jumps at me is the cowling rub on the prop hub extender. Could be the cowling or the engine mount is shifting in flight at different rates. I would go back to the airframe engineer/designer.
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#4
April 1st 08, 05:02 PM
posted to rec.aviation.piloting
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Big Q for the Prop Experts?
On Apr 1, 3:59 am, "Mike Isaksen" wrote:
wrote ... Take a look at these photos let me know what you think? Note only 43 hours on bird found when diagnosing the CHT probe failure. MT Prop On SMA diesel. http://www.internationalferryflights...l/PIC-0078.jpg http://www.internationalferryflights...l/PIC-0079.jpg What's your issue? The only thing that jumps at me is the cowling rub on the prop hub extender. Could be the cowling or the engine mount is shifting in flight at different rates. I would go back to the airframe engineer/designer. The Gouges in the prop hub are deep! Interesting that they say "Damage" is not a problem? From SMA, I confirm that this damage is probably due to a contact with the lower cowling (there should be a mark on the cowling). The cowlings have a tendency to drift upwards during flight and come into contact with the propeller hub because of soft shock mounts. We are currently certifying new shock mounts that will be less flexible and less sensitive to aerodynamic efforts submitted to the cowlings. As specified by MTPropeller, the damage is not a problem. Best regards, Cyrille DEAU SMA (Société de Motorisations Aéronautiques) SAFRAN GROUP Customer Services Tél. +33 (0)2 48 48 05 31 Fax +33 (0)2 48 50 01 41 SMA Bourges- Aéroport 10-12 rue Didier Daurat F- 18000 BOURGES
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#5
April 2nd 08, 05:42 PM
posted to rec.aviation.piloting
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Big Q for the Prop Experts?
On Apr 1, 9:02 am, wrote:
On Apr 1, 3:59 am, "Mike Isaksen" wrote: wrote ... Take a look at these photos let me know what you think? Note only 43 hours on bird found when diagnosing the CHT probe failure. MT Prop On SMA diesel. http://www.internationalferryflights...l/PIC-0078.jpg http://www.internationalferryflights...l/PIC-0079.jpg What's your issue? The only thing that jumps at me is the cowling rub on the prop hub extender. Could be the cowling or the engine mount is shifting in flight at different rates. I would go back to the airframe engineer/designer. The Gouges in the prop hub are deep! Interesting that they say "Damage" is not a problem? From SMA, I confirm that this damage is probably due to a contact with the lower cowling (there should be a mark on the cowling). The cowlings have a tendency to drift upwards during flight and come into contact with the propeller hub because of soft shock mounts. We are currently certifying new shock mounts that will be less flexible and less sensitive to aerodynamic efforts submitted to the cowlings. As specified by MTPropeller, the damage is not a problem. Best regards, Cyrille DEAU SMA (Société de Motorisations Aéronautiques) SAFRAN GROUP Customer Services Tél.+33 (0)2 48 48 05 31 Fax +33 (0)2 48 50 01 41 SMA Bourges- Aéroport 10-12 rue Didier Daurat F- 18000 BOURGES Better Photo of prop Hub damage..
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#6
April 2nd 08, 05:42 PM
posted to rec.aviation.piloting
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Big Q for the Prop Experts?
On Apr 1, 9:02 am, wrote:
On Apr 1, 3:59 am, "Mike Isaksen" wrote: wrote ... Take a look at these photos let me know what you think? Note only 43 hours on bird found when diagnosing the CHT probe failure. MT Prop On SMA diesel. http://www.internationalferryflights...l/PIC-0078.jpg http://www.internationalferryflights...l/PIC-0079.jpg What's your issue? The only thing that jumps at me is the cowling rub on the prop hub extender. Could be the cowling or the engine mount is shifting in flight at different rates. I would go back to the airframe engineer/designer. The Gouges in the prop hub are deep! Interesting that they say "Damage" is not a problem? From SMA, I confirm that this damage is probably due to a contact with the lower cowling (there should be a mark on the cowling). The cowlings have a tendency to drift upwards during flight and come into contact with the propeller hub because of soft shock mounts. We are currently certifying new shock mounts that will be less flexible and less sensitive to aerodynamic efforts submitted to the cowlings. As specified by MTPropeller, the damage is not a problem. Best regards, Cyrille DEAU SMA (Société de Motorisations Aéronautiques) SAFRAN GROUP Customer Services Tél.+33 (0)2 48 48 05 31 Fax +33 (0)2 48 50 01 41 SMA Bourges- Aéroport 10-12 rue Didier Daurat F- 18000 BOURGES Better Photo Of Prop Hub Damage. http://www.internationalferryflights...%20hub%202.jpg
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#8
April 3rd 08, 05:46 PM
posted to rec.aviation.piloting
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Big Q for the Prop Experts?
On Apr 3, 9:11 am, The Visitor
wrote: Have you ever said "no" to certain aircraft? John wrote: Take a look at these photos let me know what you think? Note only 43 hours on bird found when diagnosing the CHT probe failure. MT Prop On SMA diesel. http://www.internationalferryflights...l/PIC-0078.jpg http://www.internationalferryflights...l/PIC-0079.jpg You Bet... I do
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#9
April 4th 08, 12:58 AM
posted to rec.aviation.piloting
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Big Q for the Prop Experts?
On Apr 2, 10:42*am, wrote:
On Apr 1, 9:02 am, wrote: On Apr 1, 3:59 am, "Mike Isaksen" wrote: wrote ... Take a look at these photos let me know what you think? Note only 43 hours on bird found when diagnosing the CHT probe failure. MT Prop On SMA diesel. http://www.internationalferryflights...l/PIC-0078.jpg http://www.internationalferryflights...l/PIC-0079.jpg What's your issue? The only thing that jumps at me is the cowling rub on the prop hub extender. Could be the cowling or the engine mount is shifting in flight at different rates. I would go back to the airframe engineer/designer. The Gouges in the prop hub are deep! Interesting that they say "Damage" is not a problem? From SMA, I confirm that this damage is probably due to a contact with the lower cowling (there should be a mark on the cowling). The cowlings have a tendency to drift upwards during flight and come into contact with the propeller hub because of soft shock mounts. We are currently certifying new shock mounts that will be less flexible and less sensitive to aerodynamic efforts submitted to the cowlings. As specified by MTPropeller, the damage is not a problem. Best regards, Cyrille DEAU SMA (Société de Motorisations Aéronautiques) SAFRAN GROUP Customer Services Tél.+33 (0)2 48 48 05 31 Fax +33 (0)2 48 50 01 41 SMA Bourges- Aéroport 10-12 rue Didier Daurat F- 18000 BOURGES Better Photo Of Prop Hub Damage. http://www.internationalferryflights...Folder%202...- Hide quoted text - - Show quoted text - Thats just downright scary. !!!!!!!!!!!!!!!!!!!!!!! Ben
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#10
April 4th 08, 03:40 AM
posted to rec.aviation.piloting
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Big Q for the Prop Experts?
On Apr 3, 4:58 pm, " wrote:
On Apr 2, 10:42 am, wrote: On Apr 1, 9:02 am, wrote: On Apr 1, 3:59 am, "Mike Isaksen" wrote: wrote ... Take a look at these photos let me know what you think? Note only 43 hours on bird found when diagnosing the CHT probe failure. MT Prop On SMA diesel. http://www.internationalferryflights.../PIC-0078..jpg http://www.internationalferryflights.../PIC-0079..jpg What's your issue? The only thing that jumps at me is the cowling rub on the prop hub extender. Could be the cowling or the engine mount is shifting in flight at different rates. I would go back to the airframe engineer/designer. The Gouges in the prop hub are deep! Interesting that they say "Damage" is not a problem? From SMA, I confirm that this damage is probably due to a contact with the lower cowling (there should be a mark on the cowling). The cowlings have a tendency to drift upwards during flight and come into contact with the propeller hub because of soft shock mounts. We are currently certifying new shock mounts that will be less flexible and less sensitive to aerodynamic efforts submitted to the cowlings. As specified by MTPropeller, the damage is not a problem. Best regards, Cyrille DEAU SMA (Société de Motorisations Aéronautiques) SAFRAN GROUP Customer Services Tél.+33 (0)2 48 48 05 31 Fax +33 (0)2 48 50 01 41 SMA Bourges- Aéroport 10-12 rue Didier Daurat F- 18000 BOURGES Better Photo Of Prop Hub Damage. http://www.internationalferryflights...der%202...Hide quoted text - - Show quoted text - Thats just downright scary. !!!!!!!!!!!!!!!!!!!!!!! Ben Ok, found out prop was on another airplane where damage was done then prop was placed on this airplane. No inspection was noted in log books of damage etc for return to service.
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