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Search: Posts Made By: b377
Showing results 1 to 35 of 228
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Forum: Aviation History and Nostalgia
24th Jan 2021, 14:17
Replies: 15
Views: 3,017
Posted By b377

Lancastrian Pressurised?

Referring to the early 90s BBC documentary about the vanished BSSA Lancastrian (1947) which climbed to 24k feet to negotiate bad weather over the Andes peaks. Was this civilian development from the...
Forum: Aviation History and Nostalgia
3rd Sep 2013, 13:37
Replies: 31
Views: 8,735
Posted By b377

Should have said the flight before the Britannia...

Should have said the flight before the Britannia on similar route was on a BOAC B-377 Stratocruiser London -Montego Bay and also NY- LDN in 1958.

I imagine nav-kits and procedures were similar...
Forum: Aviation History and Nostalgia
2nd Sep 2013, 19:39
Replies: 31
Views: 8,735
Posted By b377

Bergerie1...

Bergerie1 (http://www.pprune.org/members/296913-bergerie1)

thanks in particular.

Glad you guys did your job so well while we enjoyed the quite environment of the Britannia.

I suppose its...
Forum: Aviation History and Nostalgia
2nd Sep 2013, 11:27
Replies: 31
Views: 8,735
Posted By b377

Great replies thanks, I forgot about LORAN but...

Great replies thanks, I forgot about LORAN but would have wondered about its usefulness far away from the master/slave stations.

I ask because as a kid we flew ( with parents)...
Forum: Aviation History and Nostalgia
2nd Sep 2013, 09:03
Replies: 31
Views: 8,735
Posted By b377

Navigation System on Bristol Britannia

I'm aware the Britannias did not have inertial navigation ( first used on B-707 , VC10) can those of you acquainted with that aircraft provide any details on how crews carried out oceanic navigation....
Forum: Aviation History and Nostalgia
28th Dec 2012, 16:34
Replies: 6
Views: 2,725
Posted By b377

Excellent & clear instructions there brakedwell,...

Excellent & clear instructions there brakedwell, and nice picture evansb.

I can only guess what an anti-float spring does to cause the controls droop ( rather than gravity) though the Flight...
Forum: Aviation History and Nostalgia
28th Dec 2012, 09:05
Replies: 6
Views: 2,725
Posted By b377

Thanks I42 , it certainly answered a few...

Thanks I42 , it certainly answered a few questions that article.

Interesting in particular that it was possible to test empennage controls by reving up the inner two engines to create the...
Forum: Aviation History and Nostalgia
27th Dec 2012, 21:01
Replies: 6
Views: 2,725
Posted By b377

Bristol Britannia free floating controls

For those of you savvy about this airplane should I presume this means floating ailerons only or rudder & elevators as well?

I've read about alarmed warnings given to BB pilots while taxiing about...
Forum: Aviation History and Nostalgia
17th Mar 2011, 15:22
Replies: 4
Views: 2,506
Posted By b377

STOLEN ITEMS - Key Publishing Ltd Aviation Forums...

STOLEN ITEMS - Key Publishing Ltd Aviation Forums (http://forum.keypublishing.com/showthread.php?p=1717926#post1717926)

:ok:

many thanks I have registed on that site
Forum: Aviation History and Nostalgia
13th Mar 2011, 13:38
Replies: 4
Views: 2,506
Posted By b377

Model collection stolen !

the following dispaly models were stolen from my house around 8th March 2011 should any be offered for sale would appreciate being advised.

- Executive models fiberglass Bristol Britannia blue...
Forum: Tech Log
14th Sep 2010, 16:01
Replies: 148
Views: 115,706
Posted By b377

yes that is part of the efficiency figue - heat,...

yes that is part of the efficiency figue - heat, noise, bearing friction, and turbulent motion in the jet-wash itself that just increases the entropy of the world.
Forum: Tech Log
14th Sep 2010, 15:55
Replies: 148
Views: 115,706
Posted By b377

absolutely true. If you push against a wall...

absolutely true.

If you push against a wall you do no work on the wall as it does not move, but your muscles are still expending the same engergy - you get tired, muscles heat up, heart works...
Forum: Tech Log
14th Sep 2010, 15:30
Replies: 148
Views: 115,706
Posted By b377

ChristiaanJ...

ChristiaanJ (http://www.pprune.org/members/105267-christiaanj)

I fully agree... my simple expression for power says just that.

i.e. at constant forward speed the thrust just compensates for...
Forum: Tech Log
14th Sep 2010, 11:21
Replies: 148
Views: 115,706
Posted By b377

I think we can summarise all these muzings by...

I think we can summarise all these muzings by stating that regardless of what component ( nozzle, intake, engine support) communicates the thrust ( force) to the airframe, the bottom line is that the...
Forum: Tech Log
13th Sep 2010, 14:22
Replies: 148
Views: 115,706
Posted By b377

Going full circle to the start of thread where I...

Going full circle to the start of thread where I remarked that Concorde 'sucked its way through the air' it obviosuly wasn't too far from fact.

Still when one thinks about thrust one imagines...
Forum: Tech Log
11th Sep 2010, 14:37
Replies: 148
Views: 115,706
Posted By b377

Concordeski

Superb stuff guys.

Can't signoff without questioning how Concordeski designers solved the problem!
Forum: Tech Log
10th Sep 2010, 21:23
Replies: 148
Views: 115,706
Posted By b377

M2dude Thanks for your effort. Clearly the...

M2dude

Thanks for your effort. Clearly the answer rests on the interpretation of the axial pressure profile; not as simple to explain as a momentum exchange in a rocket engine or mass flow at...
Forum: Tech Log
10th Sep 2010, 21:14
Replies: 16
Views: 9,986
Posted By b377

Weight saving, smoothness, ease of inspection,...

Weight saving, smoothness, ease of inspection, strength ... these are all plausible reasons - but which one is the winner?

One thought that comes to mind is the control effort required from the...
Forum: Tech Log
9th Sep 2010, 14:56
Replies: 148
Views: 115,706
Posted By b377

M2dude As clear as mud but I'll give it...

M2dude

As clear as mud but I'll give it another read.

My previous post was written before I read yours and already hinted at the perpetual motion or free lunch situation that develops if the...
Forum: Tech Log
9th Sep 2010, 14:44
Replies: 148
Views: 115,706
Posted By b377

Brit312 The way it is stated in the web...

Brit312

The way it is stated in the web site its almost like you're getting a free lunch - like the engine delivering only 6% while the rest comes with the territory!

The compresion process...
Forum: Tech Log
9th Sep 2010, 13:06
Replies: 148
Views: 115,706
Posted By b377

OK the exact frasing is 63% (not 70%) as follows...

OK the exact frasing is 63% (not 70%) as follows as per link:

"During the Supersonic cruse only 8% of the power is derived by the engine with the other 29% being from Nozzles and an impressive...
Forum: Tech Log
9th Sep 2010, 12:02
Replies: 148
Views: 115,706
Posted By b377

Concorde engine intake developed "Thrust"

It is stated that the engine intakes produce 70% (?) of the thrust during some portions of the envelope. It sounds as if the plane is sucking its way through the air. Can anyone elucidate on this?
...
Forum: Tech Log
9th Sep 2010, 09:18
Replies: 16
Views: 9,986
Posted By b377

Amazing that kite material continued to be used...

Amazing that kite material continued to be used on advanced piston planes like the b377 when they could have borrowed some ideas from de Havilland and used "kitchen foil" thick Al like they did on...
Forum: Tech Log
8th Sep 2010, 14:32
Replies: 16
Views: 9,986
Posted By b377

Use of fabric in rudder & elevators ( DC-3 DC-4 etc)

I can understand that for weight reasons small GA a/c used fabric covered contol surfaces but not sure at all why fabric was still used on much bigger planes from the DC-3 thru DC-7 and even the...
Forum: Tech Log
28th Jan 2010, 14:42
Replies: 19
Views: 10,485
Posted By b377

Hiper dc3

Hello again!

Re my remarkes about propellor shaft length see below ... " Modified to Hi-Per configuration for service with Avianca as HK-316 " Compared to the standard dc3 the Hiper prop /cowl...
Forum: Tech Log
23rd Dec 2009, 11:10
Replies: 19
Views: 10,485
Posted By b377

A Hiper DC3

This was the pic I wanted to show but not sure if its an authentic Hiper, also not sure of the date of this take. A DH Beaver appears in background but not in the true period Aero Taxi livery - owned...
Forum: Tech Log
23rd Dec 2009, 09:54
Replies: 19
Views: 10,485
Posted By b377

411A Yes you can see the longer nose hubs...

411A

Yes you can see the longer nose hubs in the above rendition something I had not noticed, also note the Hiper DC3 in red above AVIANCA. But the prop-shaft was noticeably longer too : why are...
Forum: Tech Log
22nd Dec 2009, 16:57
Replies: 19
Views: 10,485
Posted By b377

OK so the Hiper did have the R2000 DC4/C54...

OK so the Hiper did have the R2000 DC4/C54 engines which is what I had heard.

Now I never flew in one, knowingly, but heard many takeoff and land and they ment business. One thing I do remember...
Forum: Tech Log
21st Dec 2009, 13:52
Replies: 19
Views: 10,485
Posted By b377

Outwardly very similar to dc3 except the 'Hiper'...

Outwardly very similar to dc3 except the 'Hiper' label at the front ( in old Avianca livery, of course ).
Avianca was probably the only Hiper operator that I know of in Colombia, the bulk of the...
Forum: Tech Log
21st Dec 2009, 13:34
Replies: 19
Views: 10,485
Posted By b377

Hiper DC3

I've just found these you-tube videos featuring a Hyper DC-3 with the R-2000 engines ( DC4) you can clearly see the slightly longer prop-shaft and different shape air intake.
...
Forum: Aviation History and Nostalgia
17th Dec 2009, 15:53
Replies: 6
Views: 6,549
Posted By b377

From 1961 really?

Nice pics. Seats wouldn't look out of place in more recent times.

I flew on both the BOAC b377 and Britannia as a kid which is why I'd love to the the interiors again ... in clour - now that...
Forum: Aviation History and Nostalgia
15th Dec 2009, 14:10
Replies: 6
Views: 6,549
Posted By b377

Stratocruiser & Bristol Britannia interior cabin pictures

Has any one got authentic period photos of pax cabin interiors of these airplanes? BOAC would be ideal. Not museum exhibit shots.

There are quite a few Pan Am strat shots on the net to be seen...
Forum: Aviation History and Nostalgia
15th Dec 2009, 12:12
Replies: 27
Views: 9,487
Posted By b377

Fate is the Hunter... DC-6 ?

Fate is the Hunter is arguably Gann's best effort for factual detail (an autobiogrphy after all) compared to e.g. The High and the Mighty novel.

However I don't recall a DC-6 being mentioned...
Forum: Tech Log
29th May 2009, 14:30
Replies: 11
Views: 3,558
Posted By b377

Note that the whine persisted after the engines...

Note that the whine persisted after the engines started which makes me think it came from the power supply vibrators and/or gyros.

Were intertia starters used into the 60s & 70s? AS I said...
Forum: Aviation History and Nostalgia
29th May 2009, 12:41
Replies: 33
Views: 14,137
Posted By b377

Has to be one of the ugliest planes ever built...

Has to be one of the ugliest planes ever built only beat by the Vicking.

Don't suppose she could do anything a DC-3 couldn't do better and faster for less.
Showing results 1 to 35 of 228
 
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