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    Sunday

    Smal F-22 RC model

    F-22 is nice rc model. I already wrote about how to make RC model aircraft F-22.
    And now about how to make a small model aircraft F-22.


    Wing Span : 306mm
    Length : 430mm
    Flying Weight: 67g

    Motor C1818 Micro brushless Outrunner 3500kv (9g)
    ESC TURNIGY Plush 6A
    Servo 3.7g
    LiPo ZIPPY Flightmax 350mAh 2S 20C or Turnigy nano-tech 370mah 2S 25~40C Lipo Pack

    Download plans of RC model airplane F-22 Raptor is here.


     CG for F-22 Raptor: 129.8mm

     
    Electronic for F-22

    RC model maked from deprone. For mounting elevons used double-sided tape.

    Bottom View for model aircraft the F-22

     Fixing the motor model airplane made of balsa wood.

    For painting model airplane use colored tape and acrylic paint.

    Installing electronics on model aircraft F-22
    Flight on a small model airplane F-22

    After that, the model aircraft has been installed a small video transmitters. Get a great small video spy. :)

    Flying Weight: 82g

    Flying with camera.

    F-22 is an excellent model aircraft for flying in the yard or in small venues!

    How to make RC Airplanes

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    Friday

    Turnigy BASIC FPV Goggles

    Turnigy BASIC FPV Goggles 320 x 240 4:3
    Turnigy BASIC FPV Goggles 428 x 240 Wide Screen


    Turnigy FPV Goggles completely identical in constructive and differ by only one characteristic - the size of the screen, this is reflected in their title. All the other pros and cons of them are identical.

    Let's start with the pluses of these Goggles for FPV flight.

    The main advantage is price. There are no similar goggles to cost less than $ 80. Even a shameless goggles from dealextreme.com worth no less than 100 bucks.

    So, for those who want to try FPV and, thus, is not eager to fly through the small screen, as well as not have the money to FatShark - data goggles are just way. At first, I was opposed to these goggles exactly why I will write below in cons. But after reading reviews, forums, I realized that was wrong in his judgments.

    Many who bought Turnigy BASIC FPV Goggles, wrote that would not have come at FPV, if it was not possible to buy the goggles for beginners. It's like a radio apparatus Hobby King 2.4Ghz 6Ch, not hearse, a minimum of goodies, but it helps to understand - whether it be to you, and start to do FPV flying.

    However, this advantages of cheap goggles and end. Let's look at the description and compare the reviews of users.

    Virtual screen size of 72 inches for 428x240 and 50 inches for 320x240, a lithium battery with 900mAh, audio and video inputs. All this is available. The truth about the virtual screen manufacturers are cunning. More like a show from the last row of a large cinema. Usually provides information about the visible angle of view, but to find it for data points failed.

    According to reviews - much of a difference between the points is observed. In 428x240 screen visually more, but the picture is stretched horizontally. In flight you can get used to it, besides looking a vidio with companies in these glasses are much better. Now almost all movies are widescreen.

    If you buy goggles only for flying, it is quite enough and Turnigy BASIC FPV Goggles 320x240 4:3 picture with a camera in their actual, without distortion. None of the pilots, using data goggles not get lost in the sky :). Of course, FatShark 640x480 is much better, but an analogy, BMW's latest models are better budget car, but not all transplanted to BMW :).

    Now for the cons of cheap goggles.

    The first is that the camera is set FPV 900MHZ 200mW transmit more than the points show. To enjoy the views from heaven is better otherwise.

    Second - points to which is attached vidiosystem made on the size of the average Chinese head. Many complain that the bow goggles them tight. And on such a person, like me, they did not they enter.




    However, mounting goggles performed on a single bolt. So it is very easy to alter any cheap sunglasses. And for winter operations could be strengthened from the inside ski glasses.

    Another shortcoming is the strong illumination of the screen sunlight. With this deal is simple - a baseball cap with a long visor or Bedouin dressing thrown over his head and hiding the face :)

    Third - the video input cable under its own weight distort goggles. Here you can go two ways. First - just lay the wire over your ear. Second - attach a wire to the earpiece with cable ties or rubber bands.

    The fourth - a drawback is the inability to include the adjustment of interpupillary distance. But this is only in expensive Headplay with screens at 720 points across.

    I compiled all the pros and cons of cheap Turnigy BASIC FPV Goggles in one article. To take or not - you decide.

    Successful FPV flight! :)

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