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Forum: Rotorheads

20th Nov 2009, 15:13

Replies: 1,327

Sikorsky S-76: Ask Nick Lappos

Views: 374,653

Posted By slgrossman

Hallaheli, It's been six or seven years...

Hallaheli,

It's been six or seven years since I flew a "straight A" model S-76 in the Gulf of Mexico. However, in the summertime the ambient conditions are often as you have stated. A typical trip...

Forum: Rotorheads

5th Apr 2005, 04:28

Replies: 1,327

Sikorsky S-76: Ask Nick Lappos

Views: 374,653

Posted By slgrossman

At PHI in the Gulf of Mexico we use mostly the...

At PHI in the Gulf of Mexico we use mostly the (formerly) Goodrich Traffic Alert System (TAS). It actively interrogates the transponders of nearby aircraft and shows those within six or ten miles...

Forum: Rotorheads

29th Mar 2003, 02:05

Replies: 1,327

Sikorsky S-76: Ask Nick Lappos

Views: 374,653

Posted By slgrossman

Some time ago I asked the same question of the...

Some time ago I asked the same question of the forum, specifically regarding the A model in offshore operations, and received a very informative answer from Nick Lappos.

He told me that rotor rpm...

Forum: Rotorheads

21st Feb 2003, 18:52

Replies: 1,327

Sikorsky S-76: Ask Nick Lappos

Views: 374,653

Posted By slgrossman

I tend to agree with S76 Heavy. When operating...

I tend to agree with S76 Heavy. When operating near a limit match the engines in the parameter closest to its limit. In cruise I tend to match N1s, but don't see anything wrong with matching fuel...

Forum: Rotorheads

16th Sep 2001, 06:24

Replies: 1,327

Sikorsky S-76: Ask Nick Lappos

Views: 374,653

Posted By slgrossman

Nick, Going back to the original question...

Nick,

Going back to the original question for a moment -- While you say the Vne on the S-76 is somewhat arbitrary, is there not an aerodynamic reason for the decrease with altitude and...

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