Simple answer... NO.
You will be placing your head pretty close to the OTA whilst viewing and the OTA's do get really cold on some nights, you may end up freezing your ear to the Tube, which wont be much fun. Also putting the eyepiece further away from the designed focal point so you may not even reach focus with it attached. The dobsonian mount was designed to put the eyepiece at a usable height so you didn't need to bend over backwards to look through the scope.
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