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Home✈️Aircraft🚁HelicopterThunder TigerOther › blade sizes ?
07-18-2006 01:42 PM  14 years ago
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rookie5

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Harlow, Essex - United Kingdom

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blade sizes ?
hey guys, ive ordered 690mm main blades curtis youngblood ones will they be ok for my 90se as a couple people said why arnt i using 710 ??

thanks
sam
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07-18-2006 01:50 PM  14 years ago
jsenicka

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Eagle River, WI

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Mere mortals cannot fly 710's! :-)
Guys like Alan, Curtis, etc that have flawless collective management may be able to wring out 710's, but the rest of us may do better with 690s
Jim Senicka
Team Manager, GrandRC Flight Team
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07-18-2006 04:44 PM  14 years ago
Tday

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Needham, MA

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I think it's quite the opposite. There is plenty of pull with 690's and a 1900 head speed within the available pitch range on a SE. The 690's will handle better---be quicker---than the 710's. I think most of the top flyers use shorter blades. Just adjust your pitch range to max out power. Check out the profiles of the TT sponsored pilots and see what you get.

Tom
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07-18-2006 07:49 PM  14 years ago
Ben-T-Spindle

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Central Illinois

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690mm blades are sure a lot more fun to fly. I like the higher headspeed and improved cyclic rate.

If you are into competation the 710’s are a little slower and smoother so that may earn a few extra points. For the rest of us that just like to blast around the field and have fun 690’s are a lot better – but it’s a matter of personal preference.

If you are just learning that 710’s may be easier to fly – beginners could go either way.


.
... BTS
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07-18-2006 08:14 PM  14 years ago
Tday

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Needham, MA

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ahhh, good point. I forgot there are a lot of fai flyers out there in commenting on bigger blades aren't reserved for better pilots. We don't have any fai pilots at our field---so that's a good catch. It's kind of limo versus sports car and both can go fast in the end.
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07-29-2006 06:34 AM  14 years ago
Ringo Ranger

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Honolulu, Hawaii USA

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690 v blades at 1850. for 3d period.

aloha all

ringo
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07-29-2006 02:40 PM  14 years ago
AMainMaker

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Nappanee,IN

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From what I have researched the 710 radix have the same characteristics as 690 Vs. The Vs have a thicker airfoil than the radix but the radix have a slightly bigger chord size. I have flown both 690 Vs and 710 Radix and the performance is very close. Cyclic is the same.Autos are more floaty with the Radix. crispness is very close. The Vs do have there wood core characteristics where they seem to react a little bit faster than the faom cored radix.
So if you want more snap then 690 Vs if you want better autos without the loss of cyclics then go radix 710s.
Hope This Helps
Jason Harmon
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