Gaui NX4 Nitro Combo With OS37 Engine 313001
Gaui has broken the mould with this new Nitro helicopter. Designed by Bobby Watts this 500 sized helicopter can be used with any nitro motor 30 - 39 sized and works great with the OS 37 in particular.
It's low weight and nitro power brings a welcome retun to the longer flight times that can not be achieved by electric powered helicopters. Yet its light weight and high performance powerplant still provides awesome power to weight.
Bring the fun back into your flying :-)
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