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This article details good practices to install properly an engine bypass

Our factory, Enata Aerospace, is working on a new project. It is a hyper scale 1/5 scale Douglas F-4D Skyray. This airplane has been developed under contract from Mark Frankel, the World Skyray specialist and Douglas Historian. Mark has developed, flown and sold to the market a 1/7 scale version of this plane in 1990. The kit is still sold as of now and is very famous. However, Mark wanted to go one step beyond his original project in terms off size and scale authenticity. Welcome to the Ultimate Jets/ Enata Aerospace/ Frankel 1/5 scale Skyray!     The plane has been entirely CAD designed...

Here are a few pictures of the genesis our new project at 1/7th scale.   This was entirely CAD designed with Siemens NX12. The following design considerations were observed: 1. The plane must be true to scale. We used Mc Donnell blueprints and pictures of the real plane taken with a very long zoom and barrel software geometric corrections. The cad views were overlayed on the pictures to validate the shapes.2. The plane must fly well. The aerodynamics configuration was trialed on XFRL5 . Many different wing/ stabilizer airfoils configurations were tested at low Reynolds numbers, to obtain a nice...

Here is the story of the giant Cougar in pictures.           and after the first coats of surfacer coat:                                                     

This is a quick update for our customers. We have recently purchased 4 licenses of Siemens NX 12. We have now a fully integrated Siemens design and production chain all the way to our manufacturing machines. The reason for this choice is multiple. 1. Siemens NX 12 has a very powerful design to manufacture flow for 3D printing. 2. The new generative design module is extremely interesting for our aerospace activity 3. Our CNC machines are all running on Siemens 808D and 828D controllers and we will greatly benefit in CAD-to-CAM integration.