I've never seen anything like this before and sure would like to know what it's all about.

It seems to look like two props mounted on the same shaft with a spacer between them.

They appear not to be 90 degrees to each other from what I can see when I look at this shot.

The tundra tires and pine trees suggest your photos were taken in Alaska. Such highly modified light bush aircraft may enter an Alaska STOL bush aircraft contest, where they compete for shortest takeoffs and landings with much rivalry. The dual propellers at angles provide more thrust, (and maybe drag), the very soft and very large diameter tundra tires absorb landing energy and other features such as extra large flaps, wing slats, Micro vortex generators and even landing on the back side of the power curve routinely win the event. The cold density altitude works, too. Some of these mods would put such aircraft in the Experimental and or Restricted class in America, but the Micro Development VGs have approved STCs for many aircraft.

I have watched the contests, which almost defy reality, or physics!

The tundra tires and pine trees suggest your photos were taken in Alaska. Such highly modified light bush aircraft may enter an Alaska STOL bush aircraft contest, where they compete for shortest takeoffs and landings with much rivalry. The dual propellers at angles provide more thrust, (and maybe drag), the very soft and very large diameter tundra tires absorb landing energy and other features such as extra large flaps, wing slats, Micro vortex generators and even landing on the back side of the power curve routinely win the event. The cold density altitude works, too. Some of these mods would put such aircraft in the Experimental and or Restricted class in America, but the Micro Development VGs have approved STCs for many aircraft.

I have watched the contests, which almost defy reality, or physics!

Hi Doug....

I knew about the tires and it's STOL capabilities, it was the prop that I've never seen before. Thanks for the info. I appreciate it.

The shot was actually taken yesterday at CYNJ ( Langley, B.C. ). I hang out there quite a bit but have never seen that aircraft before. I managed to get there as he was making his landing on a grass strip and it's good I arrived when I did. It turned out to be his last one of the day and I managed to get out of the car in time to take just two shots. When he got to the end of the runway he headed of towards the hanger.

The shots turned out to be back-lit because I ended up facing south into the sun. If the opportunity presents itself I'll replace them with better ones. As it stands I uploaded what I had here... http://www.airport-data.com/aircraft/C-GZSY.html