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Search: Posts Made By: Jane-DoH
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Forum: Tech Log
12th Feb 2012, 17:57
Replies: 5
Views: 6,106
Posted By Jane-DoH

Volume I would have always thought...

Volume



I would have always thought that for a given wing-loading a higher aspect ratio would always produce a higher peak L/D ratio than a lower aspect-ratio.



Induced drag = drag due to...
12th Feb 2012, 03:49
Replies: 198
Views: 33,693
Posted By Jane-DoH

pr00ne Correct Entirely...

pr00ne



Correct



Entirely accurate.
11th Feb 2012, 20:45
Replies: 198
Views: 33,693
Posted By Jane-DoH

500N But the motives for why the...

500N



But the motives for why the bombing was carried out play a big role in determining the justifiability/criminality/heinousness of the attack.

From what it appears, regardless of...
Forum: Tech Log
11th Feb 2012, 00:08
Replies: 5
Views: 6,106
Posted By Jane-DoH

Aspect Ratio on Aircraft Performance

I understand the aspect ratio is the wing-span squared divided by the wing-area. Would I be correct in describing aspect ratio as being one of the factors that determine how much lift you can...
Forum: Tech Log
11th Feb 2012, 00:05
Replies: 8
Views: 14,977
Posted By Jane-DoH

FCeng84 So, the parameter is not all...

FCeng84



So, the parameter is not all that important when it comes to dividing weight by span as in terms of the way lift is distributed across the wing?
Forum: Tech Log
10th Feb 2012, 23:59
Replies: 38
Views: 27,959
Posted By Jane-DoH

OldBUFFkeeper The J91 had a...

OldBUFFkeeper



The J91 had a pressure-ratio of 7:1, and the J58 had a pressure-ratio (IIRC) of 8.8:1 so the J58 would get more thrust for it's size. I'm not sure if the J91 had a variable IGV...
Forum: Tech Log
10th Feb 2012, 23:30
Replies: 7
Views: 3,219
Posted By Jane-DoH

barit1 I was talking about the...

barit1



I was talking about the Northrop F-23 wing-design not the F-22, though I suppose both are rhomboid



Yeah, but the high-taper of a rhomboid wing would mean the shockwave would be...
10th Feb 2012, 23:21
Replies: 198
Views: 33,693
Posted By Jane-DoH

Chugalug2 I'm well aware of the fact...

Chugalug2



I'm well aware of the fact that the Norden couldn't put a bomb in a pickle-barrel from 30,000 feet -- in fact (I think I mentioned this before), it wasn't even particularly useful...
9th Feb 2012, 22:49
Replies: 198
Views: 33,693
Posted By Jane-DoH

orca The United States was making...

orca



The United States was making large sacrifices because were fighting in two theaters (Atlantic/Europe, and Pacific).

The Soviet Union was taking the greatest beating from the Germans. ...
9th Feb 2012, 02:49
Replies: 198
Views: 33,693
Posted By Jane-DoH

RUCAWO Is this where the RAF got the...

RUCAWO



Is this where the RAF got the first idea of starting firestorms? Or was that an older idea?



And this was the justification for Dresden?
Forum: Tech Log
9th Feb 2012, 02:10
Replies: 7
Views: 3,219
Posted By Jane-DoH

Ken Parry 1.) Which wing produces...

Ken Parry



1.) Which wing produces better L/D ratios at Mach 0.6 to 0.9 at

Sea-level
25,000 feet
35,000 feet
Forum: Tech Log
8th Feb 2012, 01:00
Replies: 7
Views: 3,219
Posted By Jane-DoH

Straight-Tapered Wings/Rhomboid Wings and Supersonic Flight

What kind of wing works better when flying subsonic and supersonic

1.) A straight, tapered wing similar in basic plan-view to the X-3 or F-104

2.) A rhomboid wing similar in plan-view to the...
8th Feb 2012, 00:56
Replies: 198
Views: 33,693
Posted By Jane-DoH

Skittles Churchill questioned the...

Skittles



Churchill questioned the nature of the attack, and advised about concerning attacks to military only targets as a means of distancing himself from the raid. Churchill may have been a...
Forum: Tech Log
22nd Jan 2012, 00:01
Replies: 8
Views: 14,977
Posted By Jane-DoH

Effect of Span-Loading on Aircraft Performance

As I understand it aspect ratio is the ratio of the wingspan squared divided by the area of the wing, and span-loading is the ratio of the weight divided by the span.

While I understand the effect...
Forum: Tech Log
21st Jan 2012, 23:54
Replies: 38
Views: 27,959
Posted By Jane-DoH

Tailspin Turtle Hey -- I have your...

Tailspin Turtle



Hey -- I have your book. I'm surprised the F8U-3 was as good a performer as it was, I'm surprised it could run supersonic longer than the F-104 could. It also resolved a lot...
Forum: Tech Log
25th Dec 2011, 02:00
Replies: 4
Views: 5,791
Posted By Jane-DoH

Uh, I'm not a pilot and don't really know payload...

Uh, I'm not a pilot and don't really know payload range diagrams. I'm just wondering how a Comet compared to a 707, and how an L-1011 compared to them, and so forth
Forum: Tech Log
22nd Dec 2011, 13:40
Replies: 4
Views: 5,791
Posted By Jane-DoH

I don't know if I could really make use of this...

I don't know if I could really make use of this data
Forum: Tech Log
15th Dec 2011, 20:56
Replies: 4
Views: 5,791
Posted By Jane-DoH

Aircraft Cruise L/D Ratios

I'm wondering if anybody has the cruise-mach L/D ratio figures for the following aircraft

DeHavilland Comet 1

Boeing 707-120

Boeing 707-320C

Douglas DC-8-30
Forum: Tech Log
14th Dec 2011, 15:57
Replies: 4
Views: 1,920
Posted By Jane-DoH

guitarboy I'm not sure if I got 'em...

guitarboy



I'm not sure if I got 'em all, but I got at least some...


Airbus A-300
First Flew: October 28, 1972
Boeing 767
Forum: Tech Log
1st Dec 2011, 16:23
Replies: 41
Views: 9,944
Posted By Jane-DoH

FlightPathOBN I'm not talking about...

FlightPathOBN



I'm not talking about the internal structure. I'm talking about the fuselage section in between the wings. Evidently, depending on the shape of that structure there is a lift...
Forum: Tech Log
1st Dec 2011, 00:29
Replies: 41
Views: 9,944
Posted By Jane-DoH

I just thought of something -- why didn't anybody...

I just thought of something -- why didn't anybody (before area rule was implemented in the traditional sense) think of the idea of flattening the fuselage in between the wings?

It would make the...
Forum: Tech Log
23rd Nov 2011, 22:54
Replies: 5
Views: 3,860
Posted By Jane-DoH

Crescent Winged Aircraft

When was the first time the crescent wing was conceptualized and when was the first aircraft to actually use a crescent wing?

The first I can think of was the David R. Davis' Manta
22nd Nov 2011, 00:28
Replies: 21
Views: 6,577
Posted By Jane-DoH

RADM Nora Tyson... is she the first female CVBG...

RADM Nora Tyson... is she the first female CVBG commander?
20th Nov 2011, 00:06
Replies: 21
Views: 6,577
Posted By Jane-DoH

Apparently after doing their doody, they're...

Apparently after doing their doody, they're tossing the contents overboard. I guess you could call that a type of depth charge...
Forum: Tech Log
20th Nov 2011, 00:00
Replies: 8
Views: 4,558
Posted By Jane-DoH

Flight Crew Question: Long Range Flights

From what I remember, on flights that were of less than 8 hours you'd just have the captain, and the first-officer (and on older planes, the flight-engineer), with the pilots alternating flying the...
1st Nov 2011, 18:12
Replies: 15
Views: 1,775
Posted By Jane-DoH

So even before WW2 the Army had boats and...

So even before WW2 the Army had boats and transport ships that were non-combatant in nature?
1st Nov 2011, 15:55
Replies: 15
Views: 1,775
Posted By Jane-DoH

hval So combat ships were Navy, non...

hval



So combat ships were Navy, non combatants could belong to anybody? Did this rule apply prior to WW2, or just during WW2 and after?

Also that same rule apply for the Royal Navy, Royal...
1st Nov 2011, 15:53
Replies: 37
Views: 5,907
Posted By Jane-DoH

hval I was thinking mostly of the dive...

hval



I was thinking mostly of the dive speeds reached, and G-load required to get out of the dive without taking the wings off would be the predominant factor. Though that is admittedly...
1st Nov 2011, 15:24
Replies: 15
Views: 1,775
Posted By Jane-DoH

hval But nothing like Destroyers,...

hval



But nothing like Destroyers, Cruisers, Frigates and so forth?



Good question, though this is possibly a good thing they didn't.
1st Nov 2011, 15:19
Replies: 37
Views: 5,907
Posted By Jane-DoH

hval Didn't know that...

hval



Didn't know that...
1st Nov 2011, 14:46
Replies: 15
Views: 1,775
Posted By Jane-DoH

hval Why did the US Army have so many...

hval



Why did the US Army have so many ships and boats? Were any of them combat capable?



Understood. Then why didn't the USAF just push for ownership of the carriers :E
1st Nov 2011, 14:41
Replies: 37
Views: 5,907
Posted By Jane-DoH

Old Large Bombers: Dive Bombing

I remember reading that the Avro Manchester could do a 30-degree diving attack -- dunno how popular a tactic this was; regardless, I do remember reading about a B-17 pilot pulling off a dive-bombing...
1st Nov 2011, 13:40
Replies: 15
Views: 1,775
Posted By Jane-DoH

Questions Regarding Post War USN

As I understand it, post WW2, the USN almost got scuttled via the claims of the US Army and USAAF that


There would be no need for a Marine Corps as there would be no amphibious landings ever...
Forum: Tech Log
27th Oct 2011, 03:19
Replies: 7
Views: 2,657
Posted By Jane-DoH

TURIN What's positive interference and...

TURIN



What's positive interference and negative interference?



What is an active fairing?
Forum: Tech Log
23rd Oct 2011, 13:48
Replies: 7
Views: 2,657
Posted By Jane-DoH

Airfoils -w- Intakes in Wing

I'm wondering about if an aircraft with an intake mounted in the wing requires re-contouring of the upper and lower surfaces as there is no traditional leading-edge in the area where the intake is...
Showing results 1 to 35 of 400
 


 
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