Jackboot
20th Mar 2009, 09:14
Overspeed
I have been asked some questions on MR overspeed by a non-forumite ( foreigner/ poor English!). I don't feel qualifed to fully answer them, hence my post to pick the brains of you experts out there -
1. My understanding is that the spindle bearings suffer rapid wear if the thing has suffered an overspeed. If an aircraft has done, say 50 hours since an overspeed and seems otherwise perfectly normal - is it likely that the damage will be restricted purely to the spindle bearings?
2. Would you always change both bearings if one is found to be damaged and the other looks OK?
3. If the thing has suffered a MR overspeed, is there an immediate check that can be carried out? I would guess that's the time to sell a machine - 'oops, somebody elses problem'...
4. How much are the bearings from Robinsons and how many hours does the job take?
Thanks a lot.
JB
I have been asked some questions on MR overspeed by a non-forumite ( foreigner/ poor English!). I don't feel qualifed to fully answer them, hence my post to pick the brains of you experts out there -
1. My understanding is that the spindle bearings suffer rapid wear if the thing has suffered an overspeed. If an aircraft has done, say 50 hours since an overspeed and seems otherwise perfectly normal - is it likely that the damage will be restricted purely to the spindle bearings?
2. Would you always change both bearings if one is found to be damaged and the other looks OK?
3. If the thing has suffered a MR overspeed, is there an immediate check that can be carried out? I would guess that's the time to sell a machine - 'oops, somebody elses problem'...
4. How much are the bearings from Robinsons and how many hours does the job take?
Thanks a lot.
JB