Vintage R/C Helicopter - Du-Bro Whirlybird 505
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Uploaded by StormyMaxPerry on Nov 28, 2007
Radio Control helicopters had a rough start back in the early 1970's. They were primitive vehicles compared to what's available today and just only had enough controllability to hover or perform slow, forward flight. This heli is an example of the USA's first commercially produced and successful operational model, the Whirlybird 505 designed by Dave Gray and manufactured by Du-Bro, makers of accessories for R/C model airplanes.
There is no gyro connected to the tail rotor as one would normally find on a modern R/C heli, the engine rotates on top of the main rotor and the fuel tank rotates under the engine with no means of observing fuel level. If the engine quits, the heli falls as if a supporting string were cut. Flight time is strictly limited to six minutes for safety reasons.
Thanks go out to Joel Rosenzwieg for shooting this video!
- 88 likes, 2 dislikes
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Uploader Comments (StormyMaxPerry)
All Comments (107)
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The funny thing is the large blades are not used to lift the heli. Rather its the small propeller at the center thats doing this.
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One up for auction on EBAY. Whirlybird 505
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LOL! Awesome!
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I love that helicopter. its quite archaic compared to what is around today but that is what makes it great. Rest assured, if I ever come across one of these in my travels I am definitely going to buy it and restore it.
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that is awesome, and also very strange to hear, compared to modern day nitros
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dude its nice to see wat mankind can do with this stuff even in the good old days of wat mmalklove said the t rexs greatgrand papa very nice!!i want one!
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hillarious! that is awsome! trex's great grand papa
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Very cool heli. I'd enjoy one of these myself. Where does the fuel go in the counter weight? or under the boom of the engine?
outbackjack1974 1 year ago
@outbackjack1974
The fuel is in the chrome drum directly under the rotor blades. Without being visible, the fuel level can only be determined by doing test flights close to the ground and timing the flight to the point of engine cuttoff. Only after this time is known and a count down timer programmed can you fly confidently knowing how much is left. This heli drops instantly when out of fuel. No warning, no autorotation.
StormyMaxPerry 1 year ago
That thing has to qualify as an antique,better put it away it may be worth something someday.
illbeda1974 1 year ago
@illbeda1974
It already is an antique. This is my 'beater' 505. I have ones in much better condition. Thank you for your concern.
StormyMaxPerry 1 year ago