Hello forum, 

First of all some background...

Having spent a good 2 years playing about with an Skywalker, Ursus and a Canon camera running  CHDK, and designing my own uav, which actually flew recently ,I have come to the conclusion that flying wings may just be the best type of platform for short range aerial mapping tasks to create DEM, DSM models for GIS purposes.

The Skywalker was okay (but quite fragile, and now in pieces!), but I think it is too small to fit a roll gimbal on it. And I've found that if pictures are taken on a slight angle, it is very difficult to use software to tile them up nicely. this is my best effort, but far from perfect. The roads on the right do not line up as the camera must have been on a 45 degree angle when the picture was taken. (click for larger resolution) - It was taken using an ixus80 attached to an URSUS Airframe

Realizing that I need to use an airframe that can accommodate a stabilized roll gimbal, i started to design and build my own twin boom design. It took 6 months from initial design, to first test flight. It has a wingspan of 2.4m - AUW of 5kg, and a flight duration of around 30 minutes with 2 x 5000mah packs. However it needs a heck of a lot of room to take off and land, something i don't have in the areas i need to take photos. 

Picture of twin boom plane...

What are peoples experiences with using flying wings for this reason? I have the following types of flying wings, and wondering which one is the best to begin with?

  • jp-si 48" span Zagi
  • Scaled up 60" span jp-si Zagi (hot wire cut by myself)
  • x8 2m wing

I have been using the 60" wing to test the APM2 and 3dr radios. And was using the URSUS (now in pieces after a nasty crash!) as a test platform to practice with the Canon CHDK Kit.

Here's a few pictures of the wing and camera....(click images for larger version.)

My question is how straight forward do you think it is to fit a roll stabilized gimbal to any of the above airframes?

Tags: DEM, DSM, Flying, GIS, Zagi, wing

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There is a group with it; mine is waiting in the box yet

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