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Frequently Asked Questions
Frequently Asked Questions
Is the Aeropup have the ability to folded its wings?
Is the Aeropup have the ability to folded its wings?
Yes, the Aeropup has folded wings for transport purposes only.
Where Is the Aeropup Manufacturer?
Where Is the Aeropup Manufacturer?
The Aeropup is manufactured on the Gympie Airport, Queensland Australia.
What design specification was the Aeropup design too?
What design specification was the Aeropup design too?
The Aeropup was designed by John Cotton to match LSA (Light-sport aircraft) specification in Australia.
Are Aeropup Ultralight / Light-Sport Aircraft/ Recreational Aircraft?
Are Aeropup Ultralight / Light-Sport Aircraft/ Recreational Aircraft?
Yes, the Aeropup fits into the Ultralight / Light-sport aircraft / Recreational aircraft.
Whats the difference between Aircraft and Airplane (or Aeroplane if you prefer European words)?
Whats the difference between Aircraft and Airplane (or Aeroplane if you prefer European words)?
Aircraft is a broad category that includes any flying machine that can fly while airplane specifically refers to Fixed-wing, heavier-than-are aircraft powered by engines and wings.
Whats the Pros and Cons of Wood, Steel, Aluminum, and Composites?
Whats the Pros and Cons of Wood, Steel, Aluminum, and Composites?
Rag and Tube Airframes
More than all of the other airframe designs, WOOD,STEEL,ALUMINIUM and COMPOSITES, rag and tube airplanes use all of the other materials in one way or the other. So, inasmuch as the word “composite” literally means “composed of many different things,”
At the same time, every one of these skills is pretty basic and easy to learn to build a Rag and Tube Aircraft. That’s why that kind of construction was the backbone of the early EAA in the ’50s and ’60s.
Of all the types of materials, there’s more visual progress with a kit tubing fuselage at the beginning, so it gives the illusion of rapid progress. Thankfully for our customers, all the welding has been completed and a rapid build results
A little-known fact that differentiates steel from aluminum is contained in what engineers refer to as the S-N curve. Every material has such a curve that shows the way in which alternating loads affect the strength and eventual life of that material. The S-N curve for steel says that if the loads are kept below a certain limit, which is relatively easy to calculate, all things being equal, it has an effectively infinite fatigue life. Bend it as often as you want within that range and it won’t fail. Aluminum is a different story.
The S-N curves for aluminum say that no matter how thick it is, or how light the loads are, if you flex aluminum enough times, it’ll develop fatigue cracks, period. It may not fail in our lifetimes or those of our grandchildren, but keep flexing it and it’ll fail. So, yes, flight hours do matter. However, aircraft designers do their best to use conservative numbers so the fail point is pushed so far out into the future, that it won’t be a factor. However, exactly where in the future it’ll fail is difficult to predict, so they just over-design it. This is why some foreign countries place time limits on aircraft.
There Is No Best
By now it should be obvious that there is no “best” aircraft construction method. Each has its strong and weak points. It’s up to the buyer/builder to use or buy whatever best fits their mission.
For the discerning reader, a excellent article on the EAA Website below
The Matter of Materials — The Pros and Cons of Wood, Steel, Aluminum, and Composites - Hangar Flying
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