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Forum: Rotorheads
12th Jul 2019, 11:27
Replies: 50
Views: 31,567
Posted By [email protected]

Don't know about other 412s but our EPs don't...

Don't know about other 412s but our EPs don't have any issues with fuel starvation and nose-up as all the fuel ends up in the tanks with the booster pumps in.
Forum: Rotorheads
12th Jul 2019, 06:06
Replies: 50
Views: 31,567
Posted By [email protected]

Wherever they are, I'm pretty sure they will have...

Wherever they are, I'm pretty sure they will have had an uncomfortable interview without coffee with their boss:)
Forum: Rotorheads
10th Jul 2019, 14:31
Replies: 50
Views: 31,567
Posted By [email protected]

Then you have a different textbook from me - that...

Then you have a different textbook from me - that is a definition of VRS But we have discussed on these pages before that in the USA, the terms and definitions are freely swapped, settling with power...
Forum: Rotorheads
10th Jul 2019, 11:00
Replies: 50
Views: 31,567
Posted By [email protected]

respectfully disagree with that - the chances of...

respectfully disagree with that - the chances of encountering it have reduced as disc loadings on modern helicopters have increased as a result of more powerful engines and smaller, more efficient...
Forum: Rotorheads
10th Jul 2019, 06:04
Replies: 50
Views: 31,567
Posted By [email protected]

I have tried to explain how that can happen in a...

I have tried to explain how that can happen in a situation where the downwash velocity is very low.

VRS certainly isn't a myth.

It maybe in this case that he didn't overpitch but just stopped...
Forum: Rotorheads
10th Jul 2019, 05:10
Replies: 50
Views: 31,567
Posted By [email protected]

Try a quickstop with 25 to 30 degrees nose up,...

Try a quickstop with 25 to 30 degrees nose up, tightening the flare with the collective almost fully down - the extra rotor thrust from the flare effect is holding you up and you have a RoD flow...
Forum: Rotorheads
9th Jul 2019, 21:08
Replies: 50
Views: 31,567
Posted By [email protected]

Hughes500 - that could well be true about the 53,...

Hughes500 - that could well be true about the 53, it has a very high disc loading and therefore a powerful and fast downwash. they were probably talking about a vertical descent from a free air hover...
Forum: Rotorheads
9th Jul 2019, 06:11
Replies: 50
Views: 31,567
Posted By [email protected]

Hughes500 - poor technique definitely but the...

Hughes500 - poor technique definitely but the harsh flare is one of the classically referenced methods of getting into VRS since the disc is seeing airflow from beneath so as the flare effect reduces...
Forum: Rotorheads
9th Jul 2019, 04:29
Replies: 50
Views: 31,567
Posted By [email protected]

Most probably VRS but a clear example of what...

Most probably VRS but a clear example of what happens if you don't get your power in early enough towards the end of a quickstop.

It depends when you think he ran out if power - was it before the...
Forum: Rotorheads
8th Jul 2019, 11:58
Replies: 50
Views: 31,567
Posted By [email protected]

Someone hasn't learned how to finish off a...

Someone hasn't learned how to finish off a quickstop properly...........
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