How do I Make a RC Remote?

best cheap mini rc helicopter image

Alex

I lost the remote for a Brookstone Silver Bullet helicopter. I know that it's not a big deal, but I don't just want to throw it away. If you don't know the answer, can you think of some creative ways I could use the parts of the helicopter? By the way, this helicopter still works perfectly and the romote uses an infrared senser. Thanks!

Answer
You could try contacting Brookstone and see if you could by an extra remote. Or, since they seem cheap ($29.99) just buy a whole new helicopter/control, and then you'd have an "extra" helicopter for parts. http://www.brookstone.com/mini-remote-control-rc-helicopters

Trying to build your own remote would be next to impossible (unless you're an electronics engineer, in which case why are you asking?)

Another possibility is to try a different brand of helicopter, such as the Blade series helicopters from Eflite. They are quite a bit more expensive, but they use what is called "Bind N Fly" technology which allows you to use better transmitters for the helicopter if you wish. As well as the Blade helicopters are fully repairable down to the last little screw or bit of plastic. I have the predecessor to the mSR X, and I love it. Tough as can be, challenging to fly (if you've never flown a heli before) but once I learned how to do it, it is tons of fun.

the Blade mCX coaxial helicopter (similar to your Brookstone in that it is coaxial)
http://www.horizonhobby.com/products/blade-mcx-rtf-EFLH2200
or
the Blade mSR X which is a single main rotor with a working tail rotor. Harder to fly, but much more realistic looking.
http://www.horizonhobby.com/products/msr-x-rtf-BLH3200

A question on how to make an RC Airplane controled by a PC?

DELETED

Okay so I always wanted to do this, what do I need to make a RC airplane controlled by a computer and has like a camera attached for feedback? Is it possible to get mini jet engines? Is it possible for me to make a RC plane hover? If so how?

Answer
These things are all possible with enough $$. For example, check out http://www.cloudcaptech.com. The stuff is expensive, but it does what you want.

There are mini jet engines in the world, but they are extremely expensive, heavy and complicated for an RC aircraft, and they fly much too fast. I think what you really want is something that *looks* like a jet engine but is really a propeller. Those are called ducted fans, and they are small, cheap and easy to get from any RC model shop.

Any RC plane can hover if it has enough power--just point the plane straight up and give it throttle. If thrust>weight, it can hover. Hovering with the nose level (like a Harrier) is harder--it would require a dedicated lift fan, which I've never seen on an RC plane. In principle it could be done, though. But why not just build a helicopter?

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i need a good rc helicopter?

mini rc helicopter longest flight time image

Tyler C

please someone tell me a good battery powered rc helicopter ( preferably a 3d helicopter )

Answer
I have just recently ventured into the RC Helicopter world. For my first heli I decided on an ESky Lama V4 which is what they call a coaxial heli. It has two sets of main blades stacked on top of each other turning in opposite directions & no tail rotor. It offers up & down(of course), sway left & sway right, forward & backwards, and spin left & spin right. After researching them a bit I found that the coaxial heli is perfect for beginners and novice pilots due to the controls being very easy to learn and master. This unit came with a flight simulator that allows you to fly right on your computer using the actual remote for the heli. It also came with a training kit to help aid in first time flights and landings. All this cost me about $85.00. It is a nice sized heli for still being considered a mini. It measures about 16" long and about 7" tall.
There is a another helicopter made by EFlite called the Blade CX and CX2. These are very close in comparison to the Lama but with a little higher price at about $120.00. Both are very nice helis and look great! Also both of these helis are easily upgraded to allow for individual tinkering and likes if your brother decides he really likes the RC helicopter as a hobby. Oh, I forgot to mention........ both of these are electric helis and can be flown indoors as well as outdoors. Hope this helps!

question about Algebra and vectors?

Yousif

Company A is doing an experiment on two high-tech remote control (RC) mini helicopters,
T1 and T2. They are traveling together at different location. At the time t = 0, they depart and
follow different straight-line paths given by

T1: x = 3 + 2t, y = â1 + 4t, z = 2 + t
T2: x = 3 + 2t, y = 2 + t, z = â2 + 2t


Time t is measured in minutes and all coordinates are measured in meter. Determine
whether the two RC mini helicopters are going to collide with each other.
During the flight of T2 , the engine is malfunction at (7, 4, 2) and, in a negligible amount of
time, it lands at (7, 4, 0). Five minutes later, T1 is advised to heads toward T2 at the speed of
5m/min. How long will it take T1 to reach T2?

Answer
Since their x-coordinates are always the same,
let's just see if (y1,z1) ever matches (y2,z2)
-1 + 4t = 2 + t AND 2+t = -2 + 2t
From the first we would have t = 1 minute exactly,
but this doesn't satisfy the 2nd equation, so they never collide.

OK second part.
For T2, the coordinate (7,4,2) is reached when t = 2 minutes.
At t = 7 minutes, the coordinates of T1 would be (17,27,9).
To reach (7,4,0), T1 must travel sqrt(100 + 529 + 81) = sqrt(710 m^2),
a little less than 27 meters.
Traveling at 5 m per minute, this will take about 5.33 min
or 5 minutes 20 seconds.

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