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Search: Posts Made By: nzhills
Showing results 1 to 35 of 48
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Forum: Tech Log
6th Mar 2023, 04:09
Replies: 8
Views: 1,679
Posted By nzhills

Lightning - delta wing

Hi
On the Lightning, does anyone know why Petter, (the designer of the initial LIghtning), go for what amounted to a delta with a notch taken out of it and a tailplane? Would much be gained from a...
Forum: Military Aviation
27th Jan 2023, 19:56
Replies: 32
Views: 18,790
Posted By nzhills

Yes, okay I should of said the Magister was...

Yes, okay I should of said the Magister was atoned down 508. Just an thought, great minds think alike.
Forum: Military Aviation
27th Jan 2023, 18:30
Replies: 32
Views: 18,790
Posted By nzhills

Hi, I realise this is a little late but I...

Hi,

I realise this is a little late but I can remember my Dad saying that when he was flying Meteor NF11's that quite a few guys tried Zurabatics, (cartwheel), and they all failed because the F4...
Forum: Tech Log
27th Jan 2023, 18:10
Replies: 1
Views: 721
Posted By nzhills

Avro 707

Hi

1. Does anyone know anything would the triangular ridge immediately forward of the Avro 707A with its dorsal intake? Is this supposed to do the same thing as a splitter plate or was it just to...
Forum: Engineers & Technicians
15th Oct 2022, 09:02
Replies: 1
Views: 721
Posted By nzhills

Supersonic temperature on leading edge

Hi, I was wondering if anyone could give me an idea of the temperature on the leading edge of the wing or the nose of a mildly sonic aircraft? Should I just calculate the stagnation temperature and...
Forum: Engineers & Technicians
6th Sep 2021, 09:40
Replies: 2
Views: 908
Posted By nzhills

Vigilante - roll control

Hi, I believe the A-3J / A-5 / RA-5 had a unique form of roll control, can anyone point me to something that will tell me / show me what this is? Best regards Mark
Forum: Engineers & Technicians
24th Nov 2020, 06:44
Replies: 3
Views: 709
Posted By nzhills

supersonic drag make up

Hi, can someone point me to a piece of text or book that has the drag build up / contribution of a plane flying beyond mach 1. If everything is designed to stay within the mach cone, can this be done...
Forum: Engineers & Technicians
18th Aug 2020, 08:58
Replies: 2
Views: 1,761
Posted By nzhills

Conical camber

Hi,
You've probably read about the F-106 & Concorde and the conical camber on their wings. What is conical camber? Is this a drooping of the outer leading edge so the tip is washed out in relation...
Forum: Military Aviation
21st Mar 2020, 20:23
Replies: 6
Views: 3,186
Posted By nzhills

military fatigue assessment & washout

Hi,

I originally posted this in the Tech forum, but was advised that this would be the right place for this quesiton.

1. How does the military go about estimating the fatigue life / usage of...
Forum: Engineers & Technicians
20th Mar 2020, 10:04
Replies: 2
Views: 667
Posted By nzhills

military fatigue assessment & washout

Hi,

1. How does the military go about estimating the fatigue life / usage of their machines, be they aircraft or choppers? Is there a US military procedure where you put in the weight carried,...
Forum: Engineers & Technicians
7th Mar 2020, 07:53
Replies: 2
Views: 510
Posted By nzhills

75ST / 7075

Hi,
Can anyone tell me what airframe brought the use of 75ST aluminium alloy, (which was later renamed to 7075), into the mainstream? Was it Lockheed and their Electra or was it a military airframe?...
Forum: Military Aviation
9th Nov 2019, 19:40
Replies: 34
Views: 13,541
Posted By nzhills

Hi Ivor Thanks for your message. I had...

Hi Ivor
Thanks for your message. I had considered the inside 'lip' to small to make a difference.
As F16_guy points out, the Viggen has F16 intakes rotated 90 degrees to the sides of the fuselage,...
Forum: Military Aviation
9th Nov 2019, 03:43
Replies: 34
Views: 13,541
Posted By nzhills

Viggen - plain intakes yet mach 2

Hi, if you were American and from the 1970's, to do mach 2 required variable geometry intakes. Does anyone know how the Viggen could do it with plain intakes, did it just have so much thrust? Regards...
Forum: Military Aviation
10th Sep 2019, 07:57
Replies: 3
Views: 4,055
Posted By nzhills

Hi GreenKnight121 Wow, thanks for such...

Hi GreenKnight121
Wow, thanks for such insightful comment. 3 questions has arisen from your comments, (and bear in mind I am just a simple engineer).
1. When you say "... it takes more than intake...
Forum: Tech Log
13th Aug 2019, 01:51
Replies: 4
Views: 2,623
Posted By nzhills

Hi, thanks Lifer01 for your info. Do you have any...

Hi, thanks Lifer01 for your info. Do you have any temperature data on when the engine is operating at 100%? Regards Mark
Forum: Tech Log
29th Jul 2019, 23:53
Replies: 4
Views: 2,623
Posted By nzhills

CF6-80C2 Active Clearance Control - Air Temp

Hi, can someone please direct me to a document that gives the temperature of the air taken from the 7th stage compressor on the CF6-80C2 for control of the HP turbine tip clearance? My searching on...
Forum: Military Aviation
16th Jun 2019, 11:13
Replies: 20
Views: 14,798
Posted By nzhills

F-105 vs F-111 low level, who's fastest

Hi, I've been listening to Jeff Guinn on Aircrew Interview talking about flying the F-111 at very low level and seeing 945 knots on the clock. Would the F-105 get close to this, obviously in after...
Forum: Military Aviation
2nd Jun 2019, 00:25
Replies: 3
Views: 4,055
Posted By nzhills

RM8 vs TF30

Hi
I've been watching a bit about the F111 recently, (Jeff Guinn on Aircrew Interview), there's always a comment made about the TF30 being a bad example of an afterburning turbofan. However the...
Forum: Military Aviation
30th May 2019, 09:02
Replies: 13
Views: 7,099
Posted By nzhills

Hi Lone Kestrel, thanks for this information, as...

Hi Lone Kestrel, thanks for this information, as I suspected, "was difficult to get the aircraft to enter a spin" being a canard. Although I did not think that spinning would have been tested.
Forum: Military Aviation
30th Apr 2019, 09:36
Replies: 13
Views: 7,099
Posted By nzhills

spinning a viggen

Hi, I'm a little unsure if this is the correct forum, but does anyone know if the Saab Viggen was cleared for spinning, and if it was did it enter n exit easily? Regards Mark
Forum: Military Aviation
23rd Dec 2018, 08:38
Replies: 147
Views: 87,173
Posted By nzhills

Hi this is henry crun's son, I've finally got...

Hi this is henry crun's son, I've finally got round to putting some of my Dad's audio memories onto a website, so if you want to hear a first hand account of the Conningsby Meteor F8 crash go to the...
Forum: Engineers & Technicians
27th Apr 2017, 07:01
Replies: 2
Views: 2,257
Posted By nzhills

kevlar hinge

Hi, I know that kevlar is used for hinging the surfaces on some radio control gliders, but is this done in the full size world? (A 1 inch wide strip of kevlar is continuous and in the skin laminate...
Forum: Military Aviation
10th Mar 2017, 04:29
Replies: 26
Views: 8,995
Posted By nzhills

F-104 : rolling

Hi, can anyone out there tell if the F-104 starfighter had any limitation in the roll plane? Regards Mark
Forum: Tech Log
12th Feb 2017, 04:55
Replies: 12
Views: 5,373
Posted By nzhills

F4 engines - angled down - why

Hi, does anyone know why the motors on the F4 phantom seem to be angled down? Is this for the thrust line to go through the C.o.G. or to account for particularly short ground crew that needed to...
Forum: The Pacific: General Aviation & Questions
2nd Feb 2017, 06:22
Replies: 34
Views: 11,199
Posted By nzhills

Aussie Mirages - where?

Hi, does anyone know what happened to the RAAF Mirage III"s. Regards
Mark
Forum: Military Aviation
17th Sep 2016, 03:37
Replies: 22
Views: 7,240
Posted By nzhills

Hi, I note this post was hatched on the 14-SEP,...

Hi, I note this post was hatched on the 14-SEP, it is 17-SEP as I write and the Meteor is absent. Does this mean it has already been sold? Regards Mark
Forum: Engineers & Technicians
17th Sep 2016, 03:33
Replies: 2
Views: 5,362
Posted By nzhills

Tail volume coefficient

Hi, is there someone out there that knows the reason why the Venom FB1 came out with a tailplane that extended beyond the tails. This also occurred on the NF2. However the tailplane of the Venom NF3...
Forum: Military Aviation
1st Apr 2016, 22:15
Replies: 15
Views: 4,072
Posted By nzhills

SqnLdr Sismore memories

Hi,

I'm the son of a crun, henry crun in this instance. Henry has departed the mortal world but I asked him to make an mp3 recording of his log books, talk me through the entries etc. I've...
Forum: Military Aviation
4th Feb 2016, 07:58
Replies: 147
Views: 87,173
Posted By nzhills

Coningsby meteor accident

Hi,

I'm the son of a crun, henry crun in this instance. Henry has departed the mortal world but I asked him to make an mp3 recording of his log books, talk me through the entries etc. I've...
Forum: Tech Log
2nd Feb 2016, 07:51
Replies: 5
Views: 2,233
Posted By nzhills

Hi nitro, thank you for your reply. Regards mark

Hi nitro, thank you for your reply. Regards mark
Forum: Military Aviation
2nd Feb 2016, 07:46
Replies: 2
Views: 2,249
Posted By nzhills

29 squadron association

Hi, does anyone know the email address for the 29 squadron association? I've tried the address for Dave Shawe, [email protected] but this has bounced back to me. Regards Mark
Forum: Engineers & Technicians
1st Feb 2016, 04:28
Replies: 3
Views: 2,254
Posted By nzhills

Hi, thanks TURIN and thrust augmentation, now I...

Hi, thanks TURIN and thrust augmentation, now I know. mark
Forum: Engineers & Technicians
19th Jan 2016, 05:50
Replies: 3
Views: 2,254
Posted By nzhills

F14 fuselage strakes

Hi, just realised after years of looking at it, the F-14 has 4 large fore aft strakes on the top of the fuselage, just a bit behind the wing pivots. I'm guessing these are to stop untoward fuselage...
Forum: Engineers & Technicians
30th Dec 2015, 19:55
Replies: 0
Views: 2,248
Posted By nzhills

AFGro & NASGro

Hi
Does anyone know if AFGro or NASGro is used actively for in-house generation of damage tolerant solutions?
Regards
Mark
Forum: Tech Log
15th Apr 2014, 09:28
Replies: 0
Views: 1,125
Posted By nzhills

Windex 1200

Hi
Unsure if this is the right forum but, does anyone know what happened to the Windex 1200C. I can remember reading something about an early example getting into a spin which it did not recover...
Showing results 1 to 35 of 48
 
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