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HomeAircraftHelicopterMain Discussion › Tail blade size for 50s
12-12-2004 07:00 PM  13 years agoPost 1
Flyinrazrback

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Fort Smith, AR

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I see some people use 90mm blades through 97mm blades for 50s, what are the pros/cons, differnences between the size differnence? I was using Mavrick 95s on my evo 50 but thought they were weak. I also tried a set of MS 97s and they seemed to work ok too.

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12-12-2004 09:42 PM  13 years agoPost 2
hepsibar

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Perth WA

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Not easy to answer as every setup will be different.

I ran as big a blade as I could safely fit on my 50 without catching the main blades so the actual max size is dependant on your main blade length. I Used NHP's which were very good for my flying style. Befor buying the longest blade you can fit on this may help -

If you currently have a high head speed and very big tail blade then you may find that your gyro gain is set very low. If this is the case the blades may be too long and your gyro is not working near it's optimum setting. The opposite scenario is when your low head speed and high gyro gain means again the gyro is not at its optimum setting and you should lengthen your blades.

If your tail feels weak pick a bigger blade - it does not have to be longer to make a difference - wider, thicker, blades will improve the tail response too, as well as picking longer blades.

If you fly two head speeds 1500 for hovering and 1850 for 3D then your blades may have to be a slight comprimise between the flight modes.

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12-12-2004 09:53 PM  13 years agoPost 3
Flyinrazrback

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Fort Smith, AR

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Ok thanks for the info. I am not near 3ding yet, just got back into helicopters so starting from scratch. I guess I will get another set of ms 97s since they seemed to work better than the mavricks 95s I was using.

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12-12-2004 10:49 PM  13 years agoPost 4
hepsibar

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Perth WA

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I was doing mild 3D - flips tic toc etc with the stock raptor plastic blades and they are ok, just not as crisp as the NHP ones. You don't need carbon tail blades for basic aerobatics. Also the plastic blades are less prone to breaking in a crash - I have never broken a pair however several pairs of carbons have been wrecked in my heli's.

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12-13-2004 12:03 AM  13 years agoPost 5
Greg Faust

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Northern VA, USA

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95mm SABs (curved tip) were awesome on my EVO 50.... never should have sold it. the stock mah carbon tail blades just didn't do the trick and the blue plastic schimitar blades just completely sucked but might be ok for a 30.

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12-13-2004 12:04 AM  13 years agoPost 6
Greg Faust

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Northern VA, USA

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forgot to mention... the SABs have a fairly wide chord, much wider than the mah blades even though they were only a few mm longer they had a lot more "wing" area.

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12-13-2004 12:23 AM  13 years agoPost 7
Flyinrazrback

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Fort Smith, AR

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Ok thanks for the info, may give them a shot

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12-13-2004 12:30 AM  13 years agoPost 8
Mark C

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Houston, TX - USA

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I like the cheap route
I go 92mm on the tail. And my perferred blade is the $6 set of Freya tail blades. Those pretty blue blades are awsome on a Rappy 50 and easy on the pocketbook. If you are flying the TT 600mm carbons then your max tail blade length is around 93mm since the TT blades are slightly longer than 600mm.

BTW the Feys 92mm tail blades are thinner at the root but the raptor tail grips will squeeze right down on them. I used to use the spacers but I found that they are a pain to keep ttrack of and unnecessary.

Mark C.

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12-13-2004 12:37 AM  13 years agoPost 9
Flyinrazrback

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Fort Smith, AR

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Ok thanks, I am not 3ding yet, just basic flying around, I have gone through a couple sets of carbon blades and would like to get something cheaper to finish learning on, then go back to carbon blades. I may try the freya blades on my evo 50.

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12-13-2004 10:19 AM  13 years agoPost 10
hepsibar

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Perth WA

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Those of us who have actually stopped learning have probably also stopped flying!

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