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Search: Posts Made By: Pat Cox
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Forum: Rotorheads
12th Nov 2019, 20:29
Replies: 123
Views: 73,000
Posted By Pat Cox

Very insightful, thank you for posting your...

Very insightful, thank you for posting your observations.
Forum: Rotorheads
15th Mar 2019, 16:26
Replies: 39
Views: 15,412
Posted By Pat Cox

+2 on Der Biergarten, especially the Dunkel ale: ...

+2 on Der Biergarten, especially the Dunkel ale:
https://cimg0.ibsrv.net/gimg/pprune.org-vbulletin/328x132/der_biergarten_5b8db70a657ac21687dab082c787cda1fc905d82.jpg
I was at the bar behind you,...
Forum: Rotorheads
1st Oct 2018, 22:22
Replies: 14
Views: 4,565
Posted By Pat Cox

Please don't feel embarrassed - many folks expect...

Please don't feel embarrassed - many folks expect the tech documents to be behind a paywall, but I encouraged management to make them free ergo they are.:)
Forum: Rotorheads
17th Sep 2018, 17:37
Replies: 14
Views: 4,565
Posted By Pat Cox

R44 Raven I priming system

Relevant description is in
-R44 POH Section 7, SYSTEMS DESCRIPTION, page 7-26 dated 21 FEB 2014, specifically ENGINE PRIMER SYSTEM (OPTIONAL)
-R44 IPC Ch 28 FUEL SYSTEM, Figure 28-33 on page 28.32...
Forum: Rotorheads
17th Oct 2017, 16:24
Replies: 270
Views: 121,552
Posted By Pat Cox

That is lovely. How did the sound change with...

That is lovely. How did the sound change with the Remus mufflers?
Forum: Rotorheads
9th Apr 2014, 00:56
Replies: 18
Views: 3,575
Posted By Pat Cox

Muermel, Perhaps this will help: Guide...

Muermel,

Perhaps this will help:

Guide to TSA's Alien Flight Training/Citizenship Validation Rule - AOPA...
Forum: Rotorheads
12th Feb 2013, 00:47
Replies: 8
Views: 2,162
Posted By Pat Cox

R22 MR TEMP indication system

The subject MR TEMP warning indication system must be operative.

Refer to 14 CFR § 91.213 Inoperative instruments and equipment.
...(d) Except for operations conducted in accordance with...
Forum: Rotorheads
12th Jan 2011, 00:35
Replies: 2
Views: 5,854
Posted By Pat Cox

To activate an R44 starter whilst on ground...

To activate an R44 starter whilst on ground requires:
1. battery switch ON
2. clutch/start circuit breaker IN
3. horn/start circuit breaker IN
4. rotor brake DISENGAGED (called...
Forum: Rotorheads
25th Jun 2010, 16:33
Replies: 16
Views: 3,064
Posted By Pat Cox

Yet another U.S. gov't interagency f-u

Annoying FCC policy, to say the least. Expensive, at worst. Myopic, as expected.:rolleyes:

I was an early adopter of a tri-frequency coverage (121.5/243/406) ELT, figuring that if I went down in...
Forum: Rotorheads
12th Jun 2010, 16:44
Replies: 2
Views: 1,896
Posted By Pat Cox

R44 blade tiedowns

Ask your engineer for a copy of R44 Maintenance Manual Figure 1-5, Main Rotor Blade Tie-down Installation, on page 1.12 dated OCT 2006.
Forum: Rotorheads
8th Jan 2010, 01:50
Replies: 83
Views: 20,753
Posted By Pat Cox

FARA (acronym?)

In Capt Ed Cooke's drawing, on the tag hanging on the spigot adjacent to the horseshoe: Anyone remember what "FARA" meant?
Forum: Rotorheads
18th Sep 2009, 17:28
Replies: 218
Views: 54,848
Posted By Pat Cox

NTSB 2-D & 3-D animation link

NTSB - Hudson River Collision (http://www.ntsb.gov/Speeches/hersman/daph090916-Animation-Description.htm)

Note the Piper's erroneous frequency readback at 11:52:20 and TEB's subsequent "he's lost...
Forum: Rotorheads
31st Aug 2009, 15:27
Replies: 10
Views: 1,832
Posted By Pat Cox

The small Elmo cameras are a factory-installed...

The small Elmo cameras are a factory-installed option on the R44. Refer to R44 IPC (Illustrated Parts Catalog) Figures 17-9, 17-11, 17-13, and 17-15.
Forum: Rotorheads
24th Jun 2009, 00:15
Replies: 27
Views: 14,752
Posted By Pat Cox

R22 tail rotor rotation direction was dictated by...

R22 tail rotor rotation direction was dictated by the need to save weight.

Early R22's used a cantilevered output shaft in the tail rotor gearbox (p/n A021) for a small form-factor (volume) and...
Forum: Rotorheads
21st Apr 2008, 21:03
Replies: 95
Views: 23,818
Posted By Pat Cox

David Dixon

Jonathan,

Please pass on to D-squared (as I call him) a hearty greetings from myself and the gang here at Robinson Helicopter Company! :ok:

Warm regards,
Pat
Forum: Rotorheads
27th Jan 2007, 02:26
Replies: 15
Views: 2,224
Posted By Pat Cox

Specifically, see "Considerations of Blade/Hub...

Specifically, see "Considerations of Blade/Hub Geometry" in Chapter 32 of Ray Prouty's "Even More Helicopter Aerodynamics" (ref RWP4 on Dave's comprehensive list above).

Machinery's Handbook is...
Forum: Rotorheads
14th Oct 2003, 03:32
Replies: 1,983
Views: 214,939
Posted By Pat Cox

Cool Indeed I do work for RHC. Time constraints,...

Indeed I do work for RHC. Time constraints, however, only permit me to check into this forum only once or twice a week. Feel free to ask your question, or direct email RHC Tech Support at...
Forum: Rotorheads
14th Oct 2003, 03:32
Replies: 2,217
Views: 299,776
Posted By Pat Cox

Cool Indeed I do work for RHC. Time constraints,...

Indeed I do work for RHC. Time constraints, however, only permit me to check into this forum only once or twice a week. Feel free to ask your question, or direct email RHC Tech Support at...
Forum: Rotorheads
11th Oct 2003, 08:46
Replies: 1,983
Views: 214,939
Posted By Pat Cox

Smile What is meant by pins? Rivets? The easily...

What is meant by pins? Rivets? The easily removable longitudinal belly panel is held on by a couple of dozen screws. I suppose if someone laid on a really thick coat of paint then said panel might...
Forum: Rotorheads
11th Oct 2003, 08:46
Replies: 2,217
Views: 299,776
Posted By Pat Cox

Smile What is meant by pins? Rivets? The easily...

What is meant by pins? Rivets? The easily removable longitudinal belly panel is held on by a couple of dozen screws. I suppose if someone laid on a really thick coat of paint then said panel might...
Forum: Rotorheads
16th Aug 2003, 10:26
Replies: 15
Views: 1,587
Posted By Pat Cox

Lightbulb The engine is limited in power output primarily...

The engine is limited in power output primarily by pressure altitude, not temperature. For example:
a. At 1000 feet pressure altitude & +20C OAT the density altitude is ~1800 feet and the...
Showing results 1 to 21 of 21


 
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