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Old 22nd October 2002 | 08:01
  #731 (permalink)  
The Nr Fairy
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Joined: Nov 2000
Posts: 2,018
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From: Pewsey, UK
R22 Overspeed II - "The Bill Arrives"

Some of you may recall my minor contre-temps in June or July where I oversped an R22 before getting airborne from Popham ( incidentally in a machine not long back from being repaired after a previous overspeed ). The previous thread is here.

All the votes are in, and the matter is now resolved and behind me. For those who are interested or those who care, here's the final tally.

Total engineering bill : £12,000

Insurance excess : £2,000

My bit of that : £1,000

Extent of damage : None at all

I CHIRP'ed the occurrence, and had useful feedback. It appears RHC's thought is that engaging the governor at 80% means the whole range of governor operation is checked. The UK CAA have asked them to consider changing the procedure to increase RPM to 100% then engage the governor.

As an aside, now I've formally started the CPL(H) modular course, I have started using the club-supplied checklist which modifies the RFM procedure in this regard. I've also started pulling pitch to lift, pausing at about 18" to check everything is ok including RPM stable ( i.e. the governor is working ), then continuing the pull to come to the hover.

Overall, it was an expensive lesson in distraction.

And in best marketing tradition, keep your eyes peeled for the bigger-budget sequels, "B206 The Hot Start" and "Turbine Engine OverTorque" coming to a helicopter near you sometime in the ( hopefully distant ) future.
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