The Stack Overflow podcast is back! Listen to an interview with our new CEO.

Questions tagged [biplane]

Airplane with 2 wings stacked on top of each other.

Filter by
Sorted by
Tagged with
5
votes
2answers
104 views

What is the function of cross bracing of interplane strut?

Pic 1 is the top and lower wing of a biplane called Bloop Ultralight,what is the function of the cross bracing between the interplane struts as seen in pic 1(I'm not talking about landing and flying ...
3
votes
2answers
236 views

Can anyone identify this Biplane?

This Biplane from the 1930's is from an English Airshow. Can anyone identify it? There is now another picture.
7
votes
1answer
323 views

Can anyone help identify this old 1930's plane?

I would like to identify this plane, if anyone can help? All I can tell you is that it is from an old photo album and probably an English Airshow in the 1920's or 1930's.
5
votes
1answer
240 views

Any biplane flying wings after 1914?

Were any biplane flying wings built and flown after the 1912-1914 variants of the Dunne D.8? If not, why? Wikipedia mentions merely that this type was too stable and insufficiently controllable, but ...
3
votes
1answer
114 views

Why are no HAPS (High Altitude Platform Station) solar planes of a biplane design?

HAPS are fragile due to weight constaints, e.g. NASA’s Helios. Biplanes are more robust. Although biplanes have high drag, HAPS only need to move slowly because at their operating height the wind ...
1
vote
2answers
339 views

What is the function of interplane strut of a Biplane?

What kind of load does the interplane strut(s) carry,is it compression, tension or shear? In order words,what's their function and how do you calculate the force that the interplane strut carries?
2
votes
2answers
132 views

Compression and tension members of a biplane wing

I get why the upper wing of a biplane is a compression member (because the flying wire is attached to it at an angle) but what I fail to understand is why the lower wing is the tension member of a ...
2
votes
4answers
291 views

How does the “pendulum effect” affect biplanes?

A high wing airplane will correct itself (lateral stability) when disturbed because its c.g. is below the c.p. (looking at the plane from it's side), according to this forum post and the book below. ...
7
votes
1answer
177 views

Lift distribution on biplanes

This Wikipedia page about biplanes says in a wing of aspect ratio 6, and a wing separation distance of one chord length, the biplane configuration will only produce about 20 percent more lift than ...
3
votes
2answers
270 views

What is the make and model of this plane?

I came across this picture taken in the late 1920s. Could you please help identify the make and model of this plane. Thanks.
2
votes
1answer
193 views

Which aircraft is this?

I was curious if someone could help me gather some more info on this aircraft. I have looked it up in the FAA.GOV site and it does not match. Is there a way to find out info on this plane that flew ...
4
votes
1answer
412 views

What's this biplane built by a 16-year old?

I was told that this plane was built by a 16-year old in the 90s. Ever since, I've been bent on finding the specifications, name, etc., of this airplane with no success.
31
votes
2answers
8k views

Has a commercial or military jet bi-plane ever been manufactured?

Are there any, or have there ever been any commercial/military jet bi-planes? What would be some of the major advantages vs disadvantages if one was built? Electric radio controlled ducted fan model. ...
1
vote
2answers
166 views

Do any Waco aircraft have model names?

Many aircraft manufacturers give names to the aircraft models. Piper had the Cub, Super Cub, and all the Comanche/Cherokee/Navajo/etc. names used in branding. Cessna has the Skyhawk, Skylane, etc. ...
1
vote
1answer
254 views

What is this biplane from an old photograph?

Copyright photo by Real Photographs No 334
43
votes
3answers
7k views

Was the Space Shuttle aerodynamically neutral while piggybacking, or did the combination act like a giant biplane?

Trying to investigate this question, I see that 'Ask the Captain' says: The weight of the shuttle is calculated like any payload. The 747 produces enough lift to fly and to carry the weight of ...
0
votes
0answers
104 views

Why did biplanes and triplanes go away? [duplicate]

Why did multi-wing aircraft (two or three stacked wings) eventually fade off to single-wing aircraft?
8
votes
1answer
426 views

Can you identify this plane from 1920 and prior vintage?

My grand uncle, that is my grandfather's brother had a flight school and performed in barnstorming shows somewhere in the midwest and it's not a Jenny. His name was Ralph Bloxham and is seen with his ...
41
votes
5answers
7k views

Why do most biplanes have their top wing slightly forward of the lower wing?

In most of the biplanes, the top wing is located a little forward of the lower wing. What is the use of this? Also, how does this affect stability of the aircraft.
8
votes
2answers
394 views

Were there any folding wing biplanes?

Given that several nations had operational carriers by 1920 and biplanes were still in military service, were there any folding wing biplanes? Wikipedia: United States first purpose built aircraft ...
11
votes
2answers
565 views

What is this old biplane?

Can anyone identify this aeroplane?
4
votes
1answer
512 views

What closed-cockpit biplane is this model modelled after?

What closed-cockpit biplane is this model modelled after?
6
votes
4answers
1k views

What biplane is this model modelled after?

What biplane is this model modelled after?
17
votes
1answer
2k views

What is this biplane?

What is this biplane shown above?
0
votes
0answers
92 views
5
votes
2answers
1k views

Would biplanes be of use in VSTOL applications? What is the down side to biplanes? ex. Bush Pilots or VSTOL competitions

I feel like bush pilots and VSTOL competition aircraft could use biplanes to work much better. Granted, range and speed are decreased, but besides overall efficiency, what is the down side to biplanes?...
2
votes
2answers
543 views

Would it be beneficial for the Boeing 777x to have a biplane wing design?

The Boeing 777x has huge wings to generate lift even to the point of having to have a hinge and being able to bend them. Would it not be advantageous to have 2 wings like a biplane or one behind ...
17
votes
1answer
2k views

Can someone identify this biplane?

My grandfather in the back seat apparently.
15
votes
3answers
3k views

What are the disadvantages of a delta wing biplane design?

The idea of a delta wing as I understand it is to reduce stress on the wing and drag on the leading edge. Now using two delta wings on separate planes, on one frame would presumably allow for a ...
11
votes
1answer
977 views

Can anyone identify this pusher biplane?

This plane was probably built around 1912. I do not know by what company built this. Does anyone know what airplane this is?
15
votes
6answers
8k views

Why do older airplanes have a wing on both the top and the bottom of the aircraft?

The first airplane by the Wright brothers had a double wing. This concept continued through World War 1 and into the 1930s - why was this concept popular?
31
votes
5answers
11k views

What special handling characteristics or techniques do biplanes have?

How does flying a biplane differ from flying a monoplane? Apart from the increased drag and lift, how does it handle differently, and what effect does that have on manoeuvring? In particular, I'm ...
17
votes
3answers
5k views

Why does the Beech Staggerwing have its low wing ahead of the high wing?

Why does the Beech Staggerwing have its low wing in ahead of the high wing? What are the aerodynamic ideas behind this? Other biplanes of the era had the opposite, low wing behind the high one.