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Skyhawk- Left Turning Tendancies  
User currently offlineNotar520AC From United States of America, joined Jul 2001, 1606 posts, RR: 4
Posted (12 years 1 month 4 days 9 hours ago) and read 1033 times:

Ok people, my instructor gave me a little homework. He wants me to find and explain the four LEFT turning tendancies for an airplane. I know that one of them is torque, which you have to apply right rudder to compensate from the force of the rotating prop. Does anyone know what the others are? Thanks.

-Notar520AC


BMW - The Ultimate Driving Machine
10 replies: All unread, jump to last
 
User currently offlineJhooper From United States of America, joined Dec 2001, 6204 posts, RR: 12
Reply 1, posted (12 years 1 month 4 days 9 hours ago) and read 1028 times:

Torque - Propeller rotates one way, plane rotates other way (Newton's 3rd Law)

Spiraling Slipstream - Propwash spirals under the fuselage and strikes the left side of the tail, causing the plane to vear left.

P-Factor - The decending propeller blade has a higher angle of attack to the relative wing, and hence more "lift", causing the right blade to produce more power than the left blade.

Gyroscopic force of the propeller - The propeller acts as a gyroscope, which produces a force 90 degrees from the plane of rotation.

I'm doing this from memory, but I'm pretty sure I got all of them. I'm sure it's fully explained in your training materials; best review that material.



Last year 1,944 New Yorkers saw something and said something.
User currently offlineNotar520AC From United States of America, joined Jul 2001, 1606 posts, RR: 4
Reply 2, posted (12 years 1 month 4 days 9 hours ago) and read 1024 times:

Thank you so much Jhooper for a speedy response! I'm still flipping through my manuals and text to make sure- your assistance is greatly appreciated!!

 Smile/happy/getting dizzy -Notar520AC



BMW - The Ultimate Driving Machine
User currently offlineSllevin From United States of America, joined Jan 2002, 3376 posts, RR: 6
Reply 3, posted (12 years 1 month 4 days 8 hours ago) and read 1015 times:

I'm glad Jhooper wrote all that  Smile

I don't see that he missed anything.  Smile

Enjoy!


User currently offlineRalgha From United States of America, joined Nov 1999, 1614 posts, RR: 6
Reply 4, posted (12 years 1 month 4 days 8 hours ago) and read 1008 times:

Don't get into the habit of getting your information from here. While Jhooper's response is correct, often the information distributed here is faulty, faulty information can kill you.

 Big thumbs up



09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0
User currently offlineNotar520AC From United States of America, joined Jul 2001, 1606 posts, RR: 4
Reply 5, posted (12 years 1 month 4 days 6 hours ago) and read 995 times:

That's why I always double check Ralgha!! Thanks everyone!

:D -Notar520AC



BMW - The Ultimate Driving Machine
User currently offlineThirtyEcho From United States of America, joined Dec 2001, 1654 posts, RR: 1
Reply 6, posted (12 years 1 month 4 days 5 hours ago) and read 985 times:

Yeah, Ralgha. I'm surprised that nobody has suggested Coriolis Force.

User currently offlineDragogoalie From Australia, joined Oct 2001, 1220 posts, RR: 6
Reply 7, posted (12 years 1 month 4 days 5 hours ago) and read 981 times:

Hey now, no cheating on your homework. We had to look it up in our books, so you should too  Big grin

--dragogoalie-#88--



Formerly known as Jap. Srsly. AUSTRALIA: 2 days!
User currently offlineNotar520AC From United States of America, joined Jul 2001, 1606 posts, RR: 4
Reply 8, posted (12 years 1 month 4 days 4 hours ago) and read 971 times:

Are you pulling my chain ThirtyEcho?

Dragogoalie- I'm not cheating, I'm just saving time. I'm still flipping through manuals to make sure that information is correct. When you're on my schedule, time is of the essence.



BMW - The Ultimate Driving Machine
User currently offlineSkyguy11 From , joined Dec 1969, posts, RR:
Reply 9, posted (12 years 1 month 4 days 1 hour ago) and read 955 times:

"Are you pulling my chain ThirtyEcho?"

Yes, he (or she) is.


User currently offlineB747skipper From , joined Dec 1969, posts, RR:
Reply 10, posted (12 years 1 month 3 days 23 hours ago) and read 948 times:

One of these days I will write about the P factor on 747 "classics"...
Hope they got rid of that in "them" 400 series...
(s) Skipper


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