Jose.L.Jr's Blog (19)

DIY Air Data Computer Asgard

The air data computer Asgard is out. It is a unit designed for DIYers, size and weight are compatible (fixation tabs have the same dimensions of standards servo tabs) with low-cost RC applications.  Some aspects will be changed as per users feedback. Be sure to checkout the project…

Continue

Added by Jose.L.Jr on November 9, 2017 at 12:15pm — 6 Comments

Updated GPS Logger and field test

Some time ago we presented a free software mini-suite that can be useful to support UAV based survey tasks/general purpose operations.

The new Basic Air Data GSP Logger App release was tested at Centre for Geoinformatics, IIFM, Bhopal, India; the results were…

Continue

Added by Jose.L.Jr on April 3, 2017 at 12:57pm — No Comments

Basic Air Data 8mm Pitot Tested in Wind Tunnel

We've been told that the Basic Air Data, DIY oriented 8 mm probe performed well within a wind tunnel 

You can read the article…

Continue

Added by Jose.L.Jr on March 24, 2017 at 1:30pm — 16 Comments

Flush Airdata Sensing

Figure 1 Flush Airdata Sensing

Figure 1:  Mechanical Air Data Boom tested in 4x4 tunnel

Air data can be acquired by mean of mechanical probes protruding from the airframe. In many cases was also possible to find a placement for the probe that is out of the body modified airfield. Very common is the nose mounted air data boom. In Figure 1 you find one mechanical …

Continue

Added by Jose.L.Jr on July 25, 2016 at 6:26am — 1 Comment

Zen Flange pitot tube released

The setup of our reader, Itay
The setup of our reader, Itay…
Continue

Added by Jose.L.Jr on March 20, 2016 at 2:00pm — 6 Comments

Pitot-Static Leak

Link to full article PDF

So far, the pneumatic connections on our Pitot-static system…

Continue

Added by Jose.L.Jr on January 8, 2016 at 7:00am — No Comments

Flow Rate in a Circular Pipe

DIY wind tunnel Image from this url

NOTE : Experimental. To avoid formulas visualization issues we've setup a free Newsletter. Once…

Continue

Added by Jose.L.Jr on December 11, 2015 at 7:00am — No Comments

Density and Total Air Temperature

NOTE : Experimental. To avoid formulas visualization issues we've setup a free Newsletter. Once subscribed you will receive a pdf with the article. http://www.basicairdata.eu/newsletter.html

Air density \(\rho\) is a common case of measurement derived from air…

Continue

Added by Jose.L.Jr on November 20, 2015 at 7:30am — No Comments

Boundary Layer Part Two

Turbulent Taylor-Couette flows with endcap rings

This is the second part of boundary layer miniseries.

The …

Continue

Added by Jose.L.Jr on October 10, 2015 at 7:30am — 4 Comments

Boundary Layer considerations

Figure 1 – Lovely Heidelberg. I've been there. Birthplace of the boundary layer

When a body moves through the air, its interaction with the surrounding air mass generates a region where the…

Continue

Added by Jose.L.Jr on September 12, 2015 at 10:00am — 2 Comments

Power System Reliability Considerations Part 2

F16 Aerobatic maneuver, Thunderbirds Aerobatic Team

This article is a follow-up on the previously presented results. We will examine the power system of a model airplane from the…

Continue

Added by Jose.L.Jr on August 14, 2015 at 10:30am — 2 Comments

Power System Reliability Considerations Part 1

RC Big scale flying wing Focke Wulf 3x1000 (31 kg) . High reliability is needed here.

The power system is an essential part of every flying device. If the power system fails then…

Continue

Added by Jose.L.Jr on July 10, 2015 at 10:30am — 7 Comments

The impact of humidity on airspeed measurement

Figure 1 - Meteorological UAV M2AV and…

Continue

Added by Jose.L.Jr on June 5, 2015 at 10:30am — 5 Comments

DIY Angle of Attack Wind Vanes - Part 3

Follow up of this article on wind vanes.

You find…

Continue

Added by Jose.L.Jr on May 1, 2015 at 6:30pm — No Comments

Kiel Like Total pressure probe

Within this post we will examine a basic design approach for the Kiel probe sizing. This probe is intended for total pressure measurement,…

Continue

Added by Jose.L.Jr on March 20, 2015 at 1:30pm — 8 Comments

DIY Angle of Attack Wind Vanes - Part 2

Numerical Simulation of Von Karman Street generated by a strut

This post…

Continue

Added by Jose.L.Jr on February 20, 2015 at 8:00am — No Comments

Angle of Attack Wind Vanes

 BasicAirData Air Data Boom
Triggered by some chat around the net I post here some material about mechanical wind vanes design. 
Angle of attack measurement by means of wind vanes will be…
Continue

Added by Jose.L.Jr on January 30, 2015 at 8:30am — 11 Comments

Front Removable Flange Pneumatic Test

I report some of the work that I/We did, within a Open Project, on a removable Pitot Flange. 

After some "design-fix-test" iterations the new removable Pitot flange passed the pressure test; test pressure was 8 barg.

You find the free downloadable 3D models on …

Continue

Added by Jose.L.Jr on January 9, 2015 at 2:30pm — 2 Comments

Set of Android Free App for Telemetry support

I've just updated a little set of Android Apps that are useful in many telemetry related issues. The main reference page is http://www.basicairdata.eu/mobile.html .  

The apps are free and open source, part of BasicAirData Project. Calculations algorithms documented.

GPSLogger; It is a straight forward GPS Logger; It corrects the altitude measurements with NASA EGM model.…

Continue

Added by Jose.L.Jr on January 9, 2015 at 3:30am — No Comments

© 2017   Created by Chris Anderson.   Powered by

Badges  |  Report an Issue  |  Terms of Service