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Cox Cub Trainer .020

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Old 10-24-2012, 06:18 AM
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pspring
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Default Cox Cub Trainer .020

Anyone know the frequency that the single channel Cox Cub from the late 70's operates on? I'm considering buying one for park flying if it's 27Mhz so I don't have to worry about the 1991 narrow band rule. Thanks!
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Old 10-25-2012, 08:33 AM
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Default RE: Cox Cub Trainer .020

I am not sure but I think those simple R/C systems were on 40 MHz. However, HobbyKing.com and other sites have the modern 2.4 GHz receiver and transmitter for under $30, those would probably take you further for park flyer type aircraft along with some of the inexpensive RTF's and gear.
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Old 10-25-2012, 09:24 AM
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Default RE: Cox Cub Trainer .020

Most likely 27 Mhz as this was used a lot back then(40 Mhz has never been legal to use in US). If on 72 Mhz it would be on the pre-1991 frequencies which are no longer legal to use for FCC and AMA purpose. Would be difficult to convert to 2.4 Ghz as the Rx is a brick type with the servo part of the Rx, if on 27 Mhz better to leave it as such as it is much safer to use now that the CB craze of the 70's is over.
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Old 10-25-2012, 11:21 AM
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Default RE: Cox Cub Trainer .020

That's what my thought was too. There is some vintage stuff out there that is going cheap that Id like to try. Plus if your single channel airplane did get glitched it would not be to eventful.
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Old 10-26-2012, 01:39 PM
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Default RE: Cox Cub Trainer .020


ORIGINAL: coriolan

Would be difficult to convert to 2.4 Ghz as the Rx is a brick type with the servo part of the Rx, if on 27 Mhz better to leave it as such as it is much safer to use now that the CB craze of the 70's is over.
No, the 2.4 GHz conversions were for transmitter only. It requires a new flight pack, receiver included. Basically one takes the signal off the encoder side of the transmitter and replaces the RF section. It is not a user function and requires someone with electronics knowledge to do it. Overall given the recent lower costs on 2.4 GHz gear, one is just better off starting afresh unless they have a premium legacy transmitter they want to retain.

There are a few who are rolling their own 2.4 GHz systems using the 2.4 GHz transmitter RF (radio frequency) sections and programmable logic arrays (PLC's) to mimic the actions of vintage R/C escapements, galloping ghost, quick blip sequential throttle, etc., in some cases even driving the vintage actuation components. However this is an advanced topic for the dedicated few who want to relive or demonstrate how R/C flight was done in the past.
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Old 10-26-2012, 05:24 PM
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Default RE: Cox Cub Trainer .020

49mhz, single channel proportional system.
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Old 10-27-2012, 08:31 AM
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Default RE: Cox Cub Trainer .020

Thanks for the clarification, Dave. I thought it was somewhere in the 40 MHz band.
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