RAF Houchin Mk5 Ground Power Unit 3D print model

The RAF used this model of the Houchin GPU from the 1960s up until the 1990s on Helicopters and medium sized aircraft. They had a single lead and 6 pin square connector for a 24v power supply.

The model comes in a one piece and an exploded version. No cable is included, but the connector is, so use thin wire or nylon thread. The exploded model has the option of a closed cable trough. 2 versions of each are supplied. The small-scale version is slightly beefed up to make sure detail is not too fragile when making 1/48th scale and below

The size of the of the one piece object is (length, Width,Height) X: 3.21477m, Y:1.25417m, Z:1.59602m The Exploded object is X: 3.98419m, Y: 2.82232m Z: 1.6134m

Divide the longest dimension by your scale (1/32, 1/48 etc) to achieve the scale size to print/ A 1/32 one piece object will have an X: dimesion of 0.10046m or 100.46mm at 1/48th it will be 66.97mm Use your measurement in the appropriate (X) slot in your slicer, with constrain proportions selected. The Y & Z dimensions will change to fit the new size.

See the last two screenshots for examples of a printed model and the orientation used.