Sean McLeod

Propeller, engine improvements to support quadcopters etc.

75

I've been looking to model small quadcopters along the lines of the [DJI Phantom](https://www.dji.com/phantom) plus hybrid models like the [Wingcopter](https://wingcopter.com/) and the [Alti](https://www.altiuas.com/). I did a bit of JSBSim work...

Use gamma to help trim solver?

5

@bcoconni I'd noticed you periodically having to change the initial theta angle in the initialization file for the Short S23 aircraft in order to ensure that the trim solver found...

Can't use -1 as a property index in script events?

9

I have a multi-engine aircraft and I was trying to script a throttle increase for all engines in a script. So I tried the following: ```xml Increase throttle to max...

Rotor torque being multiplied by a moment arm?

7

In the hexarotor and quadrotor models why is the net torque being multiplied by a moment arm? https://github.com/Auterion/px4-jsbsim-bridge/blob/263da94dfd74355e6ddc9298caab9fec306d3ec7/models/hexarotor_x/hexarotor_x.xml#L586-L597

JSBSim acceleration properties

5

I noticed you're using the following JSBSim properties as the ground truth acceleration values. https://github.com/Auterion/px4-jsbsim-bridge/blob/3c4d038c7c0c660909f37b429f4f583eec53ae93/src/sensor_imu_plugin.cpp#L76-L82 However those aren't the accelerations of the aircraft's cg, they include additional accelerations based on...

Create AGL property for contacts

10

In response to the request in discussion - https://github.com/JSBSim-Team/jsbsim/discussions/1102