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Forum: Rotorheads

21st Nov 2017, 11:19

Replies: 40

5 minute power limits R44

Views: 15,805

Posted By gulliBell

OK then, I'd like to know how the Vne limit came...

OK then, I'd like to know how the Vne limit came to be in R44.

p.s. helicopter shaking as you slow down to 20 knots, that's a Robinson thing is it? The helicopters I fly don't shake, and if they...

Forum: Rotorheads

19th Nov 2017, 01:42

Replies: 40

5 minute power limits R44

Views: 15,805

Posted By gulliBell

I hear you. Just be greatful those pilot types...

I hear you. Just be greatful those pilot types told you about the odd light. It's the pilot types that don't tell you about the odd light that are of concern.

Forum: Rotorheads

19th Nov 2017, 00:29

Replies: 40

5 minute power limits R44

Views: 15,805

Posted By gulliBell

Yeah, but if you're burning up OEI engine limit...

Yeah, but if you're burning up OEI engine limit time the engine gets changed, not the MGB. The MGB is designed for one engine pumping power big-time into it from one side. Just as the CBOX in 212/412...

Forum: Rotorheads

19th Nov 2017, 00:23

Replies: 40

5 minute power limits R44

Views: 15,805

Posted By gulliBell

Regrettably a lot of that sort of thing used to...

Regrettably a lot of that sort of thing used to go on, and still does...more and more newer design helicopters now have black boxes that record all sorts of numbers and any errant pilots can be...

Forum: Rotorheads

19th Nov 2017, 00:11

Replies: 40

5 minute power limits R44

Views: 15,805

Posted By gulliBell

In which case I have nothing further to say as I...

In which case I have nothing further to say as I know nothing about the R44.

Except, and this applies to R44. #1 Knowing the limitations of your aircraft is a good starting point. #2 Knowing why...

Forum: Rotorheads

18th Nov 2017, 22:46

Replies: 40

5 minute power limits R44

Views: 15,805

Posted By gulliBell

Yeah we are drifting, but for the benefit of...

Yeah we are drifting, but for the benefit of those who might not be familiar with twin engine helicopter limitations:

Let's say for example, in twin engine helicopter the 5 minute take-off power...

Forum: Rotorheads

18th Nov 2017, 11:38

Replies: 40

5 minute power limits R44

Views: 15,805

Posted By gulliBell

That is just daft. If you need more than 90% TQ...

That is just daft. If you need more than 90% TQ in a B206 to hover OGE then you are too heavy for the prevailing conditions.

Forum: Rotorheads

18th Nov 2017, 11:27

Replies: 40

5 minute power limits R44

Views: 15,805

Posted By gulliBell

Your point is escaping me a little bit there....

Your point is escaping me a little bit there. Twin engine 5 minute takeoff limit is so you don't rip the guts out of the helicopter MGB/TGB/IGB and driveshafts. The OEI limits are so you don't rip...

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