Questions tagged [helicopters]

For questions relating to rotary wing aircraft that typically use one or two propellers to generate lift.

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Building a personal helicopter, I have a 5kw electric hub motor, how big will the rotors need to be? [closed]

I am building a personal electric helicopter, it consists of a lightweight steel frame that attaches to the axle of the hub motor. If the motor outputs 155nm of torque @ 5kw, and a max rpm of 700. How ...
Troy E's user avatar
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3 votes
1 answer
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Error in the explanation of Ingenuity: The Mars Helicopter by NASA members?

I was watching this video by Veritasium on Youtube, where he talks with NASA engineers about the Mars helicopter. At the attached timestamp they talk about how a completely overlapping rotor ...
Atharva's user avatar
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1 vote
1 answer
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I need to find either the relationship between power and lift force in helicopters (RC ones if possible)

My original goal was to investigate the relationship between voltage and lift force in toy helicopters, however I've been advised that it will be easier to find help with the relationship between ...
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4 votes
1 answer
101 views

Proper procedure for collective-pitch RC helicopter autorotation

I intend to get a collective-pitch RC helicopter in the future; in the meanwhile I purchased an imitation radio with USB connection and AccuRC to practice in my PC to gain some experience. I've gone ...
swineone's user avatar
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3 votes
3 answers
1k views

Can nitro engine run on gasoline (RON95)?

I am planning to buy this nitro engine. However, the fuel (nitromethane) is very expensive. I can only use gasoline (RON 95). Can I run this engine on gasoline to produce the same amount of max power? ...
Testing Su's user avatar
6 votes
2 answers
1k views

Does the tiny helicopter drone black hornet use a swash plate?

I've been looking over some pictures of the drone above but I'm not sure if it uses a swash plate or not. I understand there are some freely hinged rotor concepts known to work at this scale but I'm ...
Mridul's user avatar
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6 votes
2 answers
114 views

Is there a simulator in which you can test your own helicopter model?

I am currently trying to make a model helicopter. I have calculated lift generated by the blades and upward acceleration of the helicopter. However, I amn't very sure if my helicopter will fly or not. ...
Ishaan Manish's user avatar
5 votes
2 answers
3k views

How to calculate how much lift to be generated for my helicopter to takeoff?

I am currently making a model helicopter. I wanted to know how fast must my blades spin so that it can takeoff. I guess, for that I would need to calculate lift produced right? Can someone help me ...
Ishaan Manish's user avatar
6 votes
2 answers
136 views

Question about Mars Ingenuity helicopter's wide-chord blades

I marveled at the two flight videos today on YouTube by Perseverance helicopter flights during Ingenuity mission. Got me thinking. Why aren’t the helicopter blades wider? I would like to think that in ...
John Greene's user avatar
5 votes
1 answer
194 views

Can I use a quadcopter AIO FC (or stack) to control a micro helicopter via Arducopter or iNAV?

I have found a lot of resources on building your own quadcopter(drone)...but none on micro helicopters. The only helicopter resources I have found were large model helicopters. However I want to ...
jar's user avatar
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4 votes
1 answer
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Why don't solutions exist for a 3-axis helicopter flight controller?

So I've been searching around for a 3-axis flight controller for my 450-size helicopter. It seems that nearly every flight controller which is sold today is configured for solely the control of quad/...
tuskiomi's user avatar
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7 votes
1 answer
50 views

Methodology and sources for obtaining the correct replacement batteries for low-end RC aircraft

According to Mark's answer to this Drones and Model Aircraft SE question, I likely need to buy quite a few replacement LiPo batteries. Finding large LiPo batteries for expensive aircraft is usually ...
End Anti-Semitic Hate's user avatar
7 votes
1 answer
106 views

How to restore LiPo-powered aircraft that have not been flown for years?

I have a bunch of relatively inexpensive battery-powered radio-controlled aircraft that I haven't flown in over a year. I haven't flown some of them in over 3 years. The aircraft are airplanes, ...
End Anti-Semitic Hate's user avatar