MPCNC part 7
June 9, 2023
When cutting 6mm HDPE in a single pass, I experienced lost steps and a glitching sound when steppers were kept enabled after the job had completed: GRBL is arguably better suited to CNC milling operations than Marlin (position updates during arcs, better compatibility with CNC.js). Geeetech GTK2560 v3.0 board uses an Arduino Mega. I […]
Sheet metal brake
May 19, 2023
Also called a pan brake or sheet metal folder. Not to be confused with sheet metal guillotine shear. A sheet metal brake is for bending sheet metal. Part names: Bending leaf Bending leaf handles (2x preferred) Stationary Bed Clamping bar (acute angle wedge shape with sharp corner, horizontally adjustable to perfectly align with bending inner […]
Fusion 360 pre-flight checks
May 19, 2023
Z-Up Stock Note: this only affects the calculated ‘box’ that represents the stock. It does not affect toolpaths / bodies. Can be ignored. Leads-ins / outs Think of a “running start” where you start your toolpath a bit early. Ramps To avoid plunging your tool into the material, you use a ramp. A milling bit […]
Aviation – safety
January 6, 2023
1. aviate. 2. navigate. 3. communicate. https://www.youtube.com/watch?v=iv_rRus-X9k light sport aircraft (LSA) have low wing loading and light control forces. https://www.youtube.com/@utopiasnow/videos elliot seguin test pilot vlogs https://www.youtube.com/@TheFinerPoints/videos instructor vlog https://www.youtube.com/@PilotSafetyOrg/videos instructor vlog https://www.youtube.com/@Boldmethod/videos commercial jet pilot vlog https://www.flightsafetyaustralia.com/2022/10/stalls-in-the-circuit/ beware unpractised stalls at low speed low height by changed angle of attack in-circuit at take-off or downwind […]
Aviation – learning
January 6, 2023
The knot is a unit of speed equal to one nautical mile (= 1.852 km) per hour, exactly 1.852 km/h (approximately 1.151 mph). multiply knots by two to get rough indication of km/h equivalent. One foot is 30cm. three and a bit feet in a meter. 9000 feet altitude is 3/10th or roughly 1/3th in […]
Recreational Pilot License (RPL)
January 6, 2023
Why? Why not. There are a lot of factors to consider, but some of the more obvious easily overlooked ones: Your licence is perpetual – it never expires! You will however be required to pass a medical every 1-2 years, and pass a flight review every 2 years. A recreational pilot license allows you to: fly […]
Airplanes – inspiration – local clubs
January 6, 2023
http://www.mascotnq.com http://www.athertonaeroclub.org/ https://www.nqac.com.au/