Questions tagged [homebuilt]

Aircraft that are sold as kits and then assembled by the purchaser, rather than being factory-built and delivered in fully-functional form.

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Are there any aircraft that are capable (or can be modified) to be bush planes for cargo

Are there any STOL planes that are cargo carrying bush planes? (or can be modified to be bush planes for carrying cargo out of remote areas?). I have clarified my question, based on feedback from the ...
Homunculus Reticulli's user avatar
7 votes
4 answers
3k views

Is a VW Beetle engine a good choice for a light two-seat aircraft build? [duplicate]

What do you think of an air cooled Volkswagen engine for building a light two-seat airplane? This is probably the only engine I can get my hands on that needs no reduction gear and has enough HP. ...
Aerofanatic's user avatar
0 votes
1 answer
301 views

I'm trying to replace the Colomban CRI CRI engines with twin 72v 3000w dc electric motor. Will the plane fly?

This is the 72V 300W DC motor: (source)
Ben Fabulous's user avatar
2 votes
1 answer
535 views

Can a person legally mount a fake gun on an amateur-built aircraft?

Is there an FAA rule that states that no amateur-built aircraft are allowed to have a weapon mounted to it? (If so, I'd certainly like to see this rule and its conditions) Say I want to build an ...
Ginger's user avatar
  • 1,137
2 votes
1 answer
546 views

Can a single seater airplane fly with 50 lbs of thrust

An airplane with 10 sq meters of wing five meters fuselage and including one person. can it fly with 50 lbs of thrust? And the max weight is 400 lbs
Dawood Hussaini's user avatar
-2 votes
2 answers
194 views

Will my CRI CRI twin engine plane fly if I replace the engine with a single 15hp gasoline engine? [closed]

I'm using a lighter materials to rebuild plane, to cut down plane weight to 56kg and a 1.2m 3blades propeller.
Ben Fabulous's user avatar
18 votes
4 answers
7k views

What are the pros and cons of buying a kit aircraft vs. a factory-built one?

I am a student pilot, and I am trying to decide on what I should do for a plane. I am leaning towards buying a kit, but what are the advantages or disadvantages for that?
Chris's user avatar
  • 191
2 votes
1 answer
345 views

How are composite aircraft canopies constructed that sit flush with the fuselage?

More specifically, how is the composite frame of the canopy manufactured? Attached picture as an example.
Mridul's user avatar
  • 1,232
3 votes
4 answers
426 views

Is PVC tubing a good material for helicopter airframes?

Been thinking of getting into the hobby of building ultralight helicopters, and would PVC tubing be a good choice to build the overall airframe?
Mr. Anderson's user avatar
5 votes
3 answers
5k views

Can I use motorcycle engine in aircraft [duplicate]

I am trying to build an Aircraft, The weight of the Airplane will be around 40 Kg with engine and 8 liters of fuel and with me the total weight will be around 90 to 100 kg and I want to use a ...
Salman Sukhera's user avatar
1 vote
2 answers
249 views

Can you use a home built helicopter for solo hours?

I'm curious to know if anyone has heard of or has any knowledge of using a kit helicopter for the FAA required minimum solo hours of flight training.
Cdobias's user avatar
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2 votes
2 answers
317 views

How to select and electric propulsion system for my experimental Ultralight?

I've been trying to design and build, my experimental Ultralight using electric propulsion system, My plane designed base on Slaler and Gensis ultralight , following is the primary calculation Empty ...
Hamid s k's user avatar
0 votes
4 answers
460 views

Can i create a home built aircraft with this engine?

http://www.chiefaircraft.com/da-100.html Would this engine work for a homebuilt ultralight aircraft? I am still in the research phase, so i don't know what the weight of the aircraft will be, but I ...
EEE's user avatar
  • 7
1 vote
0 answers
124 views

What challenges may be foreseen to adapting the Wittman Tailwind as an E-LSA?

The Wittman Tailwind is a great performing aircraft which can be built on a budget. Many potential builders have considered adapting the design as a light sport aircraft. What challenges could be ...
2NinerRomeo's user avatar
  • 2,193
4 votes
2 answers
277 views

Does a skinless fuselage add to the likeliness of an unrecoverable spin?

While at Air Venture this week, I happened to hear a pilot of a small experimental airplane say that he liked the skinless (Naked) look his airframe had at one point during the build, but that he ...
bclarkreston's user avatar
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1 vote
2 answers
2k views

Is c.g rear or fore of wing leading edge?

This video states that the c.g of most non tapered airplane is 25%-30% of wing chord REAR of the leading edge.The aerodynamic center(a.c) of most wing is 25% rear of the leading edge ....Does this ...
David Teahay's user avatar
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3 votes
1 answer
10k views

How to select the most efficient airfoil for low speed flight?

What airfoil (or family) has the highest $C_L/C_D$ ratio at speeds in the $50\:km/h$ range. The use case would be an ultralight with a max speed of $50\:km/h$
David Teahay's user avatar
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1 vote
0 answers
142 views

How are the landing, takeoff, and cruise speeds calculated for my homebuilt ultralight?

How can I calculate the takeoff, landing, and cruise speeds of my ultralight with a total weight (with load) of 120 kg, average air density of 1.23 kg/m3, wing area of 13.18 m2, and a coefficient of ...
David Teahay's user avatar
  • 2,895
2 votes
1 answer
319 views

Is it a good thing that ailerons remain deflected and the stick is hard to move?

The aileron stick of my homebuilt ultralight is stiff (hard to move) and the aileron itself can remain in its deflection angle hands free, is that a good thing?
David Teahay's user avatar
  • 2,895
8 votes
3 answers
2k views

How can filling a tube with foam help prevent buckling?

How can filling the empennage (aluminium tube) with Styrofoam stiffen it to avoid buckling as seen in Whingding ultralight?
David Teahay's user avatar
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0 votes
2 answers
2k views

What is the average g force experienced on takeoff for an ultralight?

How much g-force is made on an ultralight during take off if its upward velocity of 2m/s?And what's the average g force experienced during takeoff on an ultralight?
David Teahay's user avatar
  • 2,895
3 votes
3 answers
210 views

Is there any alternative to isolating the vibration of an ultralight engine other than using engine mounts?

Is there any alternative to isolating the vibration of an ultralight engine other than using engine mounts?
David Teahay's user avatar
  • 2,895
-3 votes
2 answers
266 views

100% Homebuilt Airplane [closed]

THIS IS JUST A SIMULATION OF THE INTENDED AILERON THAT I'LL BUILD AND PUT ON MY HOMEMEADE PLANE.(I scrampled all the materials I could find in my backyard). Do you find any abnormality in this aileron ...
David Teahay's user avatar
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5 votes
3 answers
2k views

Can I use PVC pipes for the rib on the wings of my homemade airplane? [closed]

Can I use a PVC pipe as the rib of the wings of my homemade airplane?A rib is already load tested, and it failed at 40kg of weight and it is supposed to hold just 10kg in flight.
David Teahay's user avatar
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1 vote
1 answer
2k views

What are the advantages of the Riblett airfoil over the Original Pietenpol Airfoil?

Some builders have opted to build a Riblett airfoil based wing for the Aircamper rather than using the original Pietenpol wing. What are the basic characteristics of the Riblett wing which ...
2NinerRomeo's user avatar
  • 2,193