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Search: Posts Made By: Pozidrive
Showing results 1 to 35 of 136
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Forum: Rotorheads
28th Dec 2022, 20:45
Replies: 102
Views: 28,530
Posted By Pozidrive

Er, Sainsbury's?

Er, Sainsbury's?
Forum: Military Aviation
21st Dec 2022, 19:28
Replies: 1,144
Views: 617,582
Posted By Pozidrive

The report did open a can of worms on the...

The report did open a can of worms on the maintenance of ageing aircraft. I haven't heard any details, I haven't looked, but I'd hope the CAA has been having a bit of a crack-down.
Forum: Military Aviation
21st Dec 2022, 19:23
Replies: 1,144
Views: 617,582
Posted By Pozidrive

It already happens. Similar "defences" have been...

It already happens. Similar "defences" have been used for years, transient physical or medical problems, one-off mechanical defects that can't be traced. It's all part of the legal game.
.
Forum: Tech Log
20th Dec 2022, 19:26
Replies: 107
Views: 14,664
Posted By Pozidrive

Yes, that's correct Port was originally Larboard...

Yes, that's correct Port was originally Larboard but there was scope for mishearing the words Starboard/Larboard, more so in a howling gale, so Larboard became Port.

"Larboard" comes from the...
Forum: Military Aviation
20th Dec 2022, 19:11
Replies: 1,144
Views: 617,582
Posted By Pozidrive

It isn't "non-standard", think of it as a...

It isn't "non-standard", think of it as a flexible process. Coroners cover everything from an elderly person dying after a fall, the Shoreham case discussed here, through to the really big ones -...
Forum: Aviation History and Nostalgia
17th Aug 2022, 20:54
Replies: 59
Views: 12,128
Posted By Pozidrive

Yes, all that lovely salty, sea air. That's...

Yes, all that lovely salty, sea air. That's already destroyed one Vulcan, and not done the Humberside Beverley any good either.
.
Forum: Military Aviation
3rd Jun 2022, 18:35
Replies: 150
Views: 34,703
Posted By Pozidrive

It's a deliberate offset to give all those on the...

It's a deliberate offset to give all those on the Balcony a perfect view.
Forum: Rotorheads
16th Mar 2022, 22:25
Replies: 75
Views: 34,806
Posted By Pozidrive

You're not getting this, are you. This was a...

You're not getting this, are you. This was a member of the public, in a public place, doing nothing dangerous.
Forum: Rotorheads
12th Nov 2021, 16:24
Replies: 13
Views: 3,001
Posted By Pozidrive

Thank you for your contribution. It's always good...

Thank you for your contribution. It's always good to hear from the armchair experts.
Forum: Rotorheads
5th Aug 2019, 15:50
Replies: 67
Views: 19,108
Posted By Pozidrive

The map in post #23 shows the pick up point is a...

The map in post #23 shows the pick up point is a couple of miles outside the evacuated area, and at a higher elevation. The photos I added show a road across open moorland, no trees, no street...
Forum: Rotorheads
5th Aug 2019, 15:40
Replies: 67
Views: 19,108
Posted By Pozidrive

Photos do show the original masonry spillway...

Photos do show the original masonry spillway running across the bottom of the dam. This won't be "lower down," it will also have a weir at the maximum water level. A spillway is an overflow, it can't...
Forum: Rotorheads
4th Aug 2019, 16:44
Replies: 67
Views: 19,108
Posted By Pozidrive

A couple of photos from google: ...

A couple of photos from google:

https://cdn.newsapi.com.au/image/v1/d59d07d26f56ab52c3698fe2230efdd1...
Forum: Rotorheads
4th Aug 2019, 16:35
Replies: 67
Views: 19,108
Posted By Pozidrive

What you overheard was absolute nonsense. The...

What you overheard was absolute nonsense. The current pictures clearly show the weir at the top of the spillway. This controls the maximum level, no valves involved. Outlet valves will be at the...
Forum: Military Aviation
23rd Feb 2019, 14:23
Replies: 75
Views: 34,029
Posted By Pozidrive

Your boss is right about the self-sacrifice in...

Your boss is right about the self-sacrifice in avoiding the surrounding houses, but the topography of the valley means there was no chance the pilot could have "landed" on the grass, which is only...
Forum: Military Aviation
23rd Feb 2019, 11:27
Replies: 75
Views: 34,029
Posted By Pozidrive

Ages were 19 to 24 y.o.

Ages were 19 to 24 y.o.
Forum: Military Aviation
24th Jan 2019, 10:46
Replies: 75
Views: 34,029
Posted By Pozidrive

Personally, I would hate to see that discreet and...

Personally, I would hate to see that discreet and dignified event turned into a media circus.

Good of you to point out that others are involved with this, and always have been since the memorial...
Forum: Rotorheads
19th Dec 2018, 12:34
Replies: 1,254
Views: 706,754
Posted By Pozidrive

Yes, understood. That bit is clearly shown in...

Yes, understood. That bit is clearly shown in the bulletin Figures.

In spite of the football, it was still a good explanation!
Forum: Rotorheads
18th Dec 2018, 20:55
Replies: 1,254
Views: 706,754
Posted By Pozidrive

Perfectly explained. So the control shaft is an...

Perfectly explained. So the control shaft is an easy sliding fit through the inner race of the duplex bearing? And it's the castellated nut (and spacer) that clamp the inner race to the step at the...
Forum: Rotorheads
18th Dec 2018, 17:26
Replies: 1,254
Views: 706,754
Posted By Pozidrive

Thank you, you seem to be agreeing with me! A...

Thank you, you seem to be agreeing with me!
A sectional drawing of this particular unit would indeed be helpful, some of the examples posted have been "schematic" and don't show the arrangement of...
Forum: Rotorheads
18th Dec 2018, 12:24
Replies: 1,254
Views: 706,754
Posted By Pozidrive

Is it possible a few degrees of movement...

Is it possible a few degrees of movement occurred, enough to slightly deform but not shear the split pin?
Forum: Rotorheads
18th Dec 2018, 12:17
Replies: 1,254
Views: 706,754
Posted By Pozidrive

That was my original point, which still hasn't...

That was my original point, which still hasn't been answered. The bulletin clearly says what you say - "the control shaft passes through an outer shaft, which forms part of the … piston"
Forum: Rotorheads
13th Dec 2018, 12:08
Replies: 1,254
Views: 706,754
Posted By Pozidrive

Just trying to clarify an earlier post which said...

Just trying to clarify an earlier post which said the control shaft was the hydraulic piston. Also to understand why manual control isn't possible - in spite of a direct link from lever to spider via...
Forum: Rotorheads
13th Dec 2018, 10:10
Replies: 1,254
Views: 706,754
Posted By Pozidrive

Sorry, nodrama and crab, I still don't get it. ...

Sorry, nodrama and crab, I still don't get it.

"The control shaft passes through an outer shaft which forms part of the hydraulic actuator piston" If that description is correct there must be...
Forum: Rotorheads
12th Dec 2018, 23:21
Replies: 1,254
Views: 706,754
Posted By Pozidrive

Fig 4 appears to show one outer race, two...

Fig 4 appears to show one outer race, two separate inner races. If so, the bearing is in one piece and not possible to fit with one part reversed.
Forum: Rotorheads
12th Dec 2018, 23:16
Replies: 1,254
Views: 706,754
Posted By Pozidrive

Same here, according to the bulletin the control...

Same here, according to the bulletin the control shaft passes through a hollow piston. There is a direct mechanical connection, with the castellated nuts at each end. The detached nut allowed the...
Forum: Rotorheads
12th Dec 2018, 23:10
Replies: 1,254
Views: 706,754
Posted By Pozidrive

Fig. 4 in the bulletin appears to show sealed...

Fig. 4 in the bulletin appears to show sealed bearings. Seal shown in pink at the outer faces of the bearing.
Forum: Rotorheads
12th Dec 2018, 23:05
Replies: 1,254
Views: 706,754
Posted By Pozidrive

The control shaft (not rod - the bulletin calls...

The control shaft (not rod - the bulletin calls another part "control rod") is not the piston. The bulletin says "the control shaft passes through an outer shaft which forms part of the tail rotor...
Forum: Rotorheads
12th Dec 2018, 16:33
Replies: 1,254
Views: 706,754
Posted By Pozidrive

No, Fig 3 in the bulletin shows the control shaft...

No, Fig 3 in the bulletin shows the control shaft (in red) as a separate component that passes through a hollow piston. Description in the text also describes this. No detail given on how the piston...
Forum: Rotorheads
8th Dec 2018, 10:37
Replies: 1,254
Views: 706,754
Posted By Pozidrive

This wouldn't help if the failure was beyond the...

This wouldn't help if the failure was beyond the servo, i.e. the shaft to the tail rotor. There is also the down side of adding weight and complexity.
Forum: Rotorheads
7th Dec 2018, 12:58
Replies: 1,254
Views: 706,754
Posted By Pozidrive

Interesting, but your hub nut still has a split...

Interesting, but your hub nut still has a split pin? It was once the practice to use LH threads on the left of vehicles, including wheel nuts. I think it was all a bit theoretical and the fact it...
Forum: Rotorheads
7th Dec 2018, 12:46
Replies: 1,254
Views: 706,754
Posted By Pozidrive

With the length of the blade and the weight of...

With the length of the blade and the weight of the rotor, I think it would be very difficult to detect any tightness or "grittiness".
Forum: Rotorheads
6th Dec 2018, 21:44
Replies: 1,254
Views: 706,754
Posted By Pozidrive

Well spotted. And now you've mentioned it, Figure...

Well spotted. And now you've mentioned it, Figure 2 also appears to show flats at the other end, slightly obscured behind the lock wire.
Forum: Rotorheads
6th Dec 2018, 20:53
Replies: 1,254
Views: 706,754
Posted By Pozidrive

You could add manufacturing and materials quality.

You could add manufacturing and materials quality.
Forum: Rotorheads
6th Dec 2018, 18:37
Replies: 1,254
Views: 706,754
Posted By Pozidrive

I can imagine one end tightening up as far as it...

I can imagine one end tightening up as far as it can, then shearing the weakest point at the other end (the split pin).
Forum: Aviation History and Nostalgia
18th Apr 2018, 18:20
Replies: 8
Views: 2,196
Posted By Pozidrive

Oh yes, I see - Foggy Dew. Now tell me...

Oh yes, I see - Foggy Dew.


Now tell me his mate was Dusty Miller!
Showing results 1 to 35 of 136
 
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