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Search: Posts Made By: henra
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Forum: Rotorheads
26th Nov 2017, 09:33
Replies: 212
Views: 116,954
Posted By henra

So what's exactly your point? (Apart from...

So what's exactly your point?
(Apart from showing again that you are a dyed in the wool Sikorsky admirer?)

Any new findings?
Any sign that the early Gearbox changes of the original 4 - blade...
Forum: Rotorheads
22nd Oct 2017, 08:48
Replies: 212
Views: 116,954
Posted By henra

Oh, How have I missed these stupid comments, free...

Oh, How have I missed these stupid comments, free of any (meaningful) connection to the topic on hand.... :ugh:

Gearbox Failure of second stage Planetary gear has absolutely zero to do with the...
Forum: Rotorheads
8th Oct 2017, 16:50
Replies: 212
Views: 116,954
Posted By henra

At least I'm not aware of any such occurrence in...

At least I'm not aware of any such occurrence in military use.
Would surely have come up by now.
So why not in the military?
- Luck?
- less intense utilisation?
- More frequent/intense...
Forum: Rotorheads
8th Oct 2017, 08:13
Replies: 212
Views: 116,954
Posted By henra

One more fatal accident caused by mechanical...

One more fatal accident caused by mechanical problems (not only Gearbox related) would indeed be the final nail in the coffin at least for civil ops.
That said with the current level of...
Forum: Rotorheads
8th Oct 2017, 08:08
Replies: 212
Views: 116,954
Posted By henra

It probably takes an external damage event (e.g....

It probably takes an external damage event (e.g. like lightning strike or transport damage) to trigger premature spalling and propagation of cracks. The design itself seems to be OK as long as no...
Forum: Rotorheads
7th Oct 2017, 09:20
Replies: 212
Views: 116,954
Posted By henra

In a way, yes. On the other hand the fact that...

In a way, yes. On the other hand the fact that they couldn't reproduce it straight forward shows that it must be a very unlikely combination of factors. Now they eliminated or reduced multiple...
Forum: Rotorheads
9th Aug 2017, 20:19
Replies: 212
Views: 116,954
Posted By henra

No. And the word is the Tiger lost the Rotor...

No.
And the word is the Tiger lost the Rotor blades not the entire head.
Looks more like too high rpm or (negative?) G- Overload.
Forum: Rotorheads
9th Jul 2017, 15:58
Replies: 212
Views: 116,954
Posted By henra

In all fairness he is maybe slightly exaggerating...

In all fairness he is maybe slightly exaggerating but not much:

S-61:
Civil: >181 Fatalities
Incl. Mil: >458 Fatalities
S-76:
>181 Fatalities


P.S.:
Showing results 1 to 8 of 8


 
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