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Hello everyone. Here is a new  article on how to cut a perfect hole in glass carbon and kevlar laminates. The basics is very simple: use the right tool at the right speed. The tool is by far the most important part of the equation. We custom designed diamond coated carbide brad point jobbers specifically shaped for this job. They are high quality aerospace drill bits made in the U.S.A.The jobbers are carbide hard diamond coated and brad point shaped to penetrate the toughest carbon fiber and kevlar fiber laminates. The flute shape enables an easy extraction of the drilling material up...

Behotec is now offering a new line of electric retacts called e-Tract. This line is based on the world renowned pneumatic gears and is updated with a few interesting upgrades as you will see later. The full range of Behotec gear is now available as the e-Tract version, and I have ordered the Scorpion Mk2 version to compare it with the same pneumatic set. In the following lines I will show you the new electric set side by side with the pneumatic one. First of all the modifications: 1. Obviously, the pneumatic actuator has been swapped with an electric motor,...

Hysol glue is a great product. The cartridge system enables you to meter exactly the proper mix ratio and the tips will get you to do a professional job very easily. However, there are basically 3 choices of glue.   1. Hysol 9462 http://www.ultimate-jets.net/collections/glues/products/hysol-9462 It is a great glue that makes very strong joints and remains slightly flexible when cured. This is perfect for gluing formers in a fuselage for example. This glue is slightly more expensive than the two other types and has a setting time of 7 hours, which is quite long and requires building planning to avoid...

I am getting a lot of questions from customers about cartridge tips. "Should I use one?" "isn't it better to mix the glue all by myself?" I have been using Hysol glue for many year in professional/ aerospace applications and the answer is simple: I am using long, short and no tips! Here is how I use a tip for my application. 1. If I have to glue large surfaces together or blocks, I use no tips and mix the glue directly on a post-it block. When I have finished the job, I peel off the used sheet and the block...