Rodger . Sorry I took so long to see this. If air is not accelerated down or perpendicular to the lifting surface then why does the air flow (for the most part) backwards behind a propellor (just a wing)? Some goes off of the ends but most flows straight back. I spent some time looking for the original article which had some really good photos of a Boeing jet skimming the top of the clouds and it was really obvious the "downwash" and even the tip vortecies. The article stated that the lifting surfaces had to generate the equivalent of twice the weight of the aircraft to sustain level flight. I may be off a little about my recollection that the downwash is aft of the trailing edge and that would square with your weight and balance observation. I don't understand why a heavier A/C wouldn't need more ribs? I accept that it doesn't and that the number of ribs somehow is related to the VNE and not weight.
If #6 was true, are we not doing weight and balance all wrong. Also I thought they added more ribs to the wing when the max speed was increased. If this is not true, flying my plane at 2000# with a 13 rib wing would be considered dangerous.
Ah.. I thought e-lsa was the "experimental" version but as I think about it you are right. I will just set my weight at 1320# . Enjoy that Challenger!
Awesome! I know we talked about the Challenger and quicksilvers before. So it's ironic that I'll be starting a Bearhawk Patrol soon for most of the same reasons. As soon as I get some home improvements done. Just a note on Semantics, E-LSA refferes to previously flying ultralights that have been inspected and registered as LSA's. I believe what you'll be building is an Experimental - Amature Built aircraft that happens to meet the LSA definition. Phil
Oops, double post
Thanks for the thought . I'm just playing with this mostly right now Cafi. I'm interested in letting this stand alone for now. After I get around to posting enough questions I'll make a post on the main forum requesting folks take a look at my blog. Some have commented I go on and on and so thats why I wanted a blog along with for documenting the build. This way they can ignore me unless they are interested. I'll ask for one more post from you Cafi. Is this a good way to respond to you or should I have PM'd?
You might want to post this in the forums. It will get more traffic there and be visible on the home page when you do so and when others respond. Just a thought. cafi
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