Questions tagged [model-aircraft]
Questions about "Model Aircraft" and the regulations which govern them. Model Aircraft are a specific type of unmanned aerial vehicle which are only flown for hobby or recreational (non-commercial) purposes, and flown within the visual line of sight of the operator at all times.
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Spiroid Winglets Cad models details requirement
Can anyone know where I can find spiroid winglets cad models? As iam conducting an experimentation on spiroid winglets.
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What's the most cost-effective way to get a group to get their Junior HPR Level 1 certification?
I'm apart of Civil Air Patrol and trying to get other cadets to get their Advanced Rocketry certificates, but the Challenger (Stage V) phase requires a completion of a NAR Junior HPR L1 certification.
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Why are these characteristics of the FT-180 highlighted?
I have been checking the FT-180 engine used to establish speed record for remotely controlled aircraft (i.e. model airplanes). There are some specific features highlighted on the manufacturer site. I'...
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Delta wing RC aircraft unstable
I've been building and testing an tailed delta wing'd RC aircraft, but it has seemed that the plane is extremely pitch happy and tends to somersault when at high speed, is there some type of easy fix? ...
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Actual non-axial airflow (sideslip) for a propeller driven aircraft
I am making a propeller model for a two-engine propeller driven aircraft (like a Dornier 228). I have expanded my model to include the non-axial airflow as well. $$ $$
By non axial airflow, I mean ...
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Size of speed brakes for glider
I have a concept glider and I am trying to calculate the required speed brake area. The clean glide ratio is currently 30, and with speedbrakes, I am aiming at reducing it to something around 7.
I ...
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XFLR5 vs AVL vs DATCOM vs OpenVSP
I am working on a model airplane and am coputing some of the data using software.
I have already computed the general stuff using XFLR5 and AVL. My question is, is there any point for me to do the ...
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Control surfaces on radio-control models of airliners
Do large RC airliners like the huge Emirates RC A380 still need all the same control surfaces that a real A380 has I,e leading edge slats? If not why is this the case.
Many thanks for your time in ...
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The Effect of Pitching Moment on Aircraft Stability
I'm designing a small RC plane and I'm currently at the first iteration of airfoil selection. I have converged to Clark-Y, NACA-2412, NACA-2415, and S-8036.
In comparing the four, I noticed that all ...
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What are techniques for balancing a radially folding propeller?
When balancing a radially folding propeller, such as the MagCAD 60x23, what are some techniques to employ?
A static balance is challenging because the orientation of the blades is not fixed.
Dynamic ...
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Does too big an angle of decalage make the horizontal stabilizer to stall?
This styrofoam airplane has two positions for stabilizer. When put in the upper one, the plane flies in a circle.
Is the stabilizer now stalled because the decalage angle is very big?What happens with ...
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Where must the glider tow line connection be?
I have styrofoam glider and I want to pull it with a rope, to fly with me when driving a bike. Where do I need to connect the attachment point, if I want the glider to fly stable above me?
I think, to ...
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What Airfix model is this?
I built this Airfix kit when I was younger, and don't know what it is. I'd love to know!
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What does this formulation mean?
Just was reading this manual => DLE-120 engine User Manual
On this page (pg 4), I saw this formulation:
What does it mean? How is the 30:1 ratio calculated? What does "fl oz" mean? What ...
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How do you control a 500mph model plane?
This video was posted as an answer to another question:
The plane is quite hard to even see due to traveling at a high speed in a tight loop. Is it actually being ...
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