Spinning carbon

When we bought the Long EZ we knew there should be a number of parts in storage in the US. It looks like some parts were lost as so the spinner and flow guide are no more.

A few hours in solid works and 8 hours of printing later we have the outline of a prototype spinner and flow guide. Originally foreseen as a 3 piece system, looks like this will now be reduced to two piece for ease of manufacture. One thing that has been incredibly frustrating is the complete lack of schematics, dimensions of any information whatsoever for flanges, dimensions and fitments.

The spinner and flow guide are designed to aid in drawing out hot air from the cowl, aiding cooling performance. The spinner then aims to smooth the transition between rotating, hot, cold and static air, it won’t be perfect and running a flow simulation the performance difference in terms of speed is within a margin of error no matter the shape (2 to 3 kts). It will look great though.

Next step is to print a final version for final test fit, then create the moulds. Flow guide and spinner will be carbon with a clear coat, a few fittings will be stainless. this won’t be a low cost endeavour, materials manufacturing will be tightly controlled so if we do sell these they will be around 1,000 GBP a unit. Once we make it and have it running will then look at making one for the Lancair for a forward facing carbon spinner.