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by illusionist
March 21st, 2010, 7:22 pm
Forum: 2010 Lab Events
Topic: Physics Lab B/C
Replies: 424
Views: 47734

Re: Physics Lab B/C

Greg Doe wrote:Illusionist,
Best suggestion is to go back to your 2 bladed design, and try to improve it. Why pursue something that might be ruled illegal, if you have something that is better, and legal? Good luck.
Greg Doe
Smyrna, TN
ok, thanks
by illusionist
March 21st, 2010, 7:16 pm
Forum: Wright Stuff B
Topic: Flight Times
Replies: 175
Views: 23579

Re: Flight Times

<SNIP> my airplane does keep hitting the ceiling, and i don't have a larger place to do some test flights... yes, my plane weighs 7.1 grams If you are banging your plane off the ceiling with that few winds on that motor, it is WAY to fat. You really need thinner rubber and to wind harder. And the p...
by illusionist
March 21st, 2010, 1:03 pm
Forum: 2010 Lab Events
Topic: Physics Lab B/C
Replies: 424
Views: 47734

Re: Physics Lab B/C

Melkor6000, If you have a good blade design it should out perform a two bladed turbine. Just be sure to take a conventional (2 bladed) turbine to your competition, in case they rule against you. They can consider your design to "not comply with the intent of the rules". Another way that they might ...
by illusionist
March 21st, 2010, 1:00 pm
Forum: 2010 Lab Events
Topic: Physics Lab B/C
Replies: 424
Views: 47734

Re: Physics Lab B/C

I am in Division B, what would you guys suggest for a score i should aim for? I am currently getting 900 and 1200 with a 2-bladed design. 2- bladed designs seem to working better for me... I feel that I need to improve my score for my regional competition that is coming up shortly. What score should...
by illusionist
March 21st, 2010, 12:54 pm
Forum: Wright Stuff B
Topic: Flight Times
Replies: 175
Views: 23579

Re: Flight Times

I am getting around 1:30 with my plane. it has a 38.5 cm wingspan and 11 cm chord, 19 cm tailspan, 6 cm tailchord, 3/32 inch rubber motor, and a 20 cm ikra prop. Any suggestions on improving my times? the flight path is very stable and it flies in smooth circles. I am putting in 800 turns. Please h...
by illusionist
March 21st, 2010, 12:52 pm
Forum: Wright Stuff B
Topic: Flight Times
Replies: 175
Views: 23579

Re: Flight Times

Illusionist, You actually are getting a fairly good performance for your airplane, and Jeff has already given you some excellent suggestions, but first let me show you why one airplane out performs another. Wing loading plays a huge roll in duration flying. Your airplane has a combined wing and sta...
by illusionist
March 20th, 2010, 4:47 pm
Forum: Wright Stuff B
Topic: Flight Times
Replies: 175
Views: 23579

Re: Flight Times

I am getting around 1:30 with my plane. it has a 38.5 cm wingspan and 11 cm chord, 19 cm tailspan, 6 cm tailchord, 3/32 inch rubber motor, and a 20 cm ikra prop. Any suggestions on improving my times? the flight path is very stable and it flies in smooth circles. I am putting in 800 turns. Please he...
by illusionist
March 20th, 2010, 4:17 pm
Forum: Wright Stuff B
Topic: Propellers
Replies: 53
Views: 28643

Re: Propellors

gyourkoshaven wrote:Do propellors have to be tilted upwards for the plane to get lift?
not nessacarily, thats the job of your wings

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