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Search: Posts Made By: Pofman
Showing results 1 to 35 of 68
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Forum: Rotorheads
1st Nov 2020, 11:01
Replies: 40
Views: 16,497
Posted By Pofman

A great loss to the helicopter world. Very...

A great loss to the helicopter world. Very skilled pilot, fun to be around, and let us not forget the chance to fly helicopters he gave those through his scholarship scheme. RIP Dennis!
Forum: Rotorheads
26th Jul 2020, 14:43
Replies: 41
Views: 14,966
Posted By Pofman

The question of hours is much the same as in the...

The question of hours is much the same as in the 60s. In the Navy we were rapidly expanding helicopters so the requirement for instructors meant that a lot became QHIs after only one tour. As Shy...
Forum: Rotorheads
13th Mar 2020, 21:36
Replies: 29
Views: 6,387
Posted By Pofman

Angry Low RRPM

With the main RRPM low both advancing and more importantly the retreating AOA will be very close to stall. When that takes place ALL control will be lost and normally not recoverable. This maybe...
Forum: Rotorheads
27th Sep 2019, 14:34
Replies: 7
Views: 3,267
Posted By Pofman

Dave joined the RN shortly after me and was the...

Dave joined the RN shortly after me and was the "mature" guy having been in the Merchant Navy as opposed to the rest of us spotty youngsters. We served together initially on 848 Squadron in Bulwark...
Forum: Rotorheads
7th Feb 2019, 14:24
Replies: 5
Views: 1,787
Posted By Pofman

More records by a Ppruner

After fitting flotation gear to a Wasp you could alway be sure that when you arrived in the bar all the beers were already lined up!
Forum: Rotorheads
7th Feb 2019, 14:17
Replies: 16
Views: 2,953
Posted By Pofman

Helicopter Museums on the World Map

What a great effort listing the sites. Well done. Can you add the www.valiantaircommand.com in Titusville, Florida where there are an H19 Chickasaw, a UH1, and an H13. The latter two are being...
Forum: Rotorheads
13th Oct 2018, 16:09
Replies: 22
Views: 5,490
Posted By Pofman

Radgirl, I don't know where you are from but the...

Radgirl, I don't know where you are from but the nearest trauma units are Harlow, 20 mins minimum, or Cambridge, much the same. If we can't show a bit of compassion for those in distress what sort of...
Forum: Rotorheads
17th Aug 2018, 21:37
Replies: 2,607
Views: 2,856,460
Posted By Pofman

Carl. Your post #2551. I remember flying with...

Carl.
Your post #2551. I remember flying with your Dad, "TDQ Mick", from Battersea on Bo 105 in 1980, then B222 from Lippetts. Most of the early observers had a PPL F/W. My mug is still in daily...
Forum: Rotorheads
5th May 2018, 13:34
Replies: 24
Views: 6,277
Posted By Pofman

Stick with Crab. You should have been...

Stick with Crab. You should have been demonstrated this during basic instruction. Start the sortie enter auto record the ROD and RRPM. At the end of the sortie when fuel burned off repeat and observe...
Forum: Rotorheads
13th Dec 2016, 15:28
Replies: 48
Views: 11,431
Posted By Pofman

Weads, you should know from your basic POF that...

Weads, you should know from your basic POF that the RPM are a function of IAS and weight. Higher speed or weight needs more disc loading. So, in an ungoverned helicopter in auto you demonstrate that...
Forum: Rotorheads
4th Aug 2016, 23:25
Replies: 20
Views: 4,861
Posted By Pofman

FED the Leonides Major in the Whirlwind Mk 7 & 8...

FED the Leonides Major in the Whirlwind Mk 7 & 8 had a double bank radial with 14 cylinders producing about 750 HP. In the Mk 7 it was cartridge start, the RRPM were 213, normal max manifold was 44"...
Forum: Rotorheads
5th May 2016, 23:47
Replies: 23
Views: 7,726
Posted By Pofman

I thought that was the way we all flew in the...

I thought that was the way we all flew in the 1960s. If the baddies can't see you they can't shoot you. The rigid head on the Bo105 just made it easier The Royals never complained - you saved them a...
Forum: Rotorheads
16th Nov 2014, 13:37
Replies: 668
Views: 1,069,906
Posted By Pofman

We had just as nice a hangar at Lippetts Hill in...

We had just as nice a hangar at Lippetts Hill in 1981 but we also had a control room which could do local and operational control. Our floor was just as clean but today's paint may be improved. Is...
Forum: Rotorheads
23rd Oct 2014, 20:52
Replies: 668
Views: 1,069,906
Posted By Pofman

Crab, The Optica was one type tried but they...

Crab,
The Optica was one type tried but they used various F/Wings. The problem was largely that most operations, when on site, are slow speed and in poor vis conditions the a/c operates very close...
Forum: Rotorheads
21st Oct 2014, 17:08
Replies: 668
Views: 1,069,906
Posted By Pofman

Here we go again re-inventing the wheel. I flew...

Here we go again re-inventing the wheel. I flew for the Met for several years in the early 80's and they had trialed fixed-wing operations and found that they had limited availability and poor...
Forum: Rotorheads
15th Oct 2014, 12:57
Replies: 24
Views: 18,082
Posted By Pofman

Mickjoebill, What a wonderful array. I am in...

Mickjoebill,
What a wonderful array. I am in favour of all these GoPros. They have enriched our viewing experience and taken us to places most of us would fear to go. The only restriction I would...
Forum: Rotorheads
6th Aug 2014, 14:54
Replies: 36
Views: 14,157
Posted By Pofman

There seem to be a lot of negative comments about...

There seem to be a lot of negative comments about the set up at Helicentre. I visited last month to see one of our ex students who had done their FI course there and was currently employed at the...
Forum: Rotorheads
25th May 2014, 22:56
Replies: 9
Views: 4,325
Posted By Pofman

I was on the same helicopter course with MIKE in...

I was on the same helicopter course with MIKE in 1961 at 705 Sqdn. After he left the RN we only met a couple of times for re- unions. He was highly regarded at Bristows.
Farewell old buddy and get...
Forum: Rotorheads
17th Mar 2014, 17:25
Replies: 877
Views: 454,590
Posted By Pofman

Looking at the map of the crash site posted on...

Looking at the map of the crash site posted on the BBC website in relation to the house, it seeems the after departing the take off zone the helicopter must have cleared the trees in the vicinity of...
Forum: Rotorheads
23rd Dec 2013, 18:14
Replies: 7
Views: 3,129
Posted By Pofman

Wow!! A chance to use QNE at last!

Wow!! A chance to use QNE at last!
Forum: Rotorheads
11th Dec 2013, 14:05
Replies: 2,934
Views: 2,224,677
Posted By Pofman

Having flown police operations for some...

Having flown police operations for some considerable time in the past this thread has perflexed me. The interim report begins to indicate that fuel starvation may be worth a look. None of the EC135...
Forum: Rotorheads
5th Aug 2013, 17:23
Replies: 9
Views: 2,129
Posted By Pofman

In Europe you must meet the airwothiness...

In Europe you must meet the airwothiness requirements laid down in CS 27 for light aircraft ( 3175kg or less), or FAR Part 27 in FAA land.:ok:
Forum: Rotorheads
10th Jun 2013, 21:37
Replies: 5
Views: 1,804
Posted By Pofman

Chopper 1690. The results of EMF are...

Chopper 1690.
The results of EMF are unpredictable and not really understood. When I was in the RN we had all sorts of effects on carriers including rockets fired on the flight deck. A great deal of...
Forum: Rotorheads
14th Mar 2013, 17:43
Replies: 17
Views: 4,399
Posted By Pofman

Ascend Charlie. The simple version is that the...

Ascend Charlie.
The simple version is that the Angle of Attack is the same but strictly :-
IGE the IF is reduced so the RAF lies closer to the Plane of Rotation. Therefore both the Lift(90degrees...
Forum: Rotorheads
13th Mar 2013, 14:47
Replies: 17
Views: 4,399
Posted By Pofman

Shifty, the AOA is not the same IGE and OGE. What...

Shifty, the AOA is not the same IGE and OGE. What is the same is the Vertical component of Total Reaction( ie Thrust = Weight) and this is achieved at a lower blade pitch angle and a slightly reduced...
Forum: Rotorheads
5th Feb 2013, 14:54
Replies: 47
Views: 13,221
Posted By Pofman

Far East. I guess you win. We always put 17...

Far East.
I guess you win. We always put 17 into the back of the WW dunker at HMS Vernon for the final run in the early 60s. If you were near an exit and slow leaving then fists and boots were...
Forum: Rotorheads
1st Feb 2013, 13:27
Replies: 8
Views: 2,599
Posted By Pofman

Hummingfrog. Are you mixing range with radius...

Hummingfrog.
Are you mixing range with radius of action? 250/6 = 41.6 cruise speed. I knew that the yellow paint was very draggy!
Forum: Rotorheads
2nd Jan 2013, 17:36
Replies: 99
Views: 15,362
Posted By Pofman

TC as you know there is always some smart arse...

TC as you know there is always some smart arse but I could not resist.
I am sure it is the Hogmanay effect and you meant the ELR was > than 1,98C not the DALR which is fixed at 3C.
Happy New Year.
Forum: Rotorheads
21st Nov 2012, 19:22
Replies: 2,607
Views: 2,856,460
Posted By Pofman

H 1 - remember the time scale. Mid 70s to date is...

H 1 - remember the time scale. Mid 70s to date is 35 years. A lot of people here were not born then. What mid/light twins were available? Bo 105, S76, Bell 212,A 109, Dauphin or Bell 222. With an...
Forum: Rotorheads
19th Nov 2012, 00:47
Replies: 2,607
Views: 2,856,460
Posted By Pofman

PA News. G-META had the Helitelly mounted on...

PA News.
G-META had the Helitelly mounted on the starboard side when delivered in Nov 80 and for the next 6 years that I flew it. After a couple of years the Met wanted the new smaller version but...
Forum: Rotorheads
29th Oct 2012, 20:40
Replies: 28
Views: 8,857
Posted By Pofman

For commercial air transportation JAR-OPS 3 is...

For commercial air transportation JAR-OPS 3 is still the relevant document until EASA has time and resources to make it's own. JAR-OPS 3.970 applies as jymil says. The reason circuits are included...
Forum: Rotorheads
2nd Oct 2012, 02:57
Replies: 36
Views: 9,063
Posted By Pofman

Agree with the above post as the cables are...

Agree with the above post as the cables are hanging from the pylon
Forum: Rotorheads
20th Sep 2012, 15:32
Replies: 13
Views: 2,118
Posted By Pofman

If the people had turned up in Rolls Royce you...

If the people had turned up in Rolls Royce you would have said "smart car". If in a Fire Engine "eccentric".But in a helicopter you have become "Old and Horrified"! For the hotel it is just business,...
Forum: Rotorheads
24th May 2012, 15:29
Replies: 137
Views: 25,875
Posted By Pofman

SASless. The UK H19s(Whirlwind) were fitted with...

SASless. The UK H19s(Whirlwind) were fitted with nose wheel lock pins(either in or out) as the majority were for ship use. Initially we did EOLs with the pins out and as you say there was a lot of...
Forum: Rotorheads
1st Mar 2012, 20:04
Replies: 58
Views: 18,283
Posted By Pofman

Pilot/engineer ground runs

The relevant reference in Europe is JAR-Ops 3.210(d) which requires specific rules be layed down as to who may run the helicopter apart from qualified pilots. This is expanded in an AJC OPS 3.210(d)....
Showing results 1 to 35 of 68
 
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