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3D-printable EDF nacelle for VQ Models Hornet SubSonex (+ other accessories)

3D model description

I designed this nacelle for my VQ Models Hornet to eliminate the terrible pitching it has with throttle. The original thrust line causes the plane to drope the nose sharply when throttle is increased, and vice versa. This nacelle points the efflux up (effectively down thrust) which compensates for the high thrust line and makes the plane fly great.

Here's a flight video with this nacelle and motor:

It's designed to use this motor with a 4S battery:

It will draw 95 A with a 4S battery on full throttle, and will cruise the plane fine on half thtottle. It does not overheat. I use a 4S 4000 mAh lipo.

Use short pieces of 4 mm rod to join the EDF housing together. The exhaust piece must point upwards, off course.

Print Fanhousing01 from ASA, ABS or PETG or other heat resistant material to prevent it from deforming from motor heat.

The coolingfan part can be used on the end of the motor if it gets hot. The recommended motor usually doesn't get hot.

Dynamically balance the impeller using aluminum tape on the blades. Run up the motor with the impeller to low throttle settings and feel for vibrations. Add tape and try again. Repeat until you find the imbalance, until it spins without vibrations.

The batterytray part is a raised part for mounting the battery with velcro straps in the nose.

The Noseretractmount part is a spacer for mounting retracts in the nose.

3D printing settings

Print the housing of the nacelle with two perimeters ands six top and bottom layers and 0% infill.

Print Fanhousing01 solid.

Print the impeller with four perimeters and eight top and bottom layers and 0% infill

  • 3D model format: STL



Designs 107
Downloads 13127

Norwegian inventor/designer/cat owner.



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One comment

Looks like a striking image to the JSX-2 Subsonex Micro Jet!

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