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HelicopterAntiques or Out of Business › Locked or Swing Blades on Cricket
06-01-2010 04:32 PM  7 years agoPost 1
Gyronut

rrProfessor

Martinsville In.

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Whos flying what on their Crickets, Locked or Swing blades.....

I have grips for both....

Rick

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06-01-2010 05:01 PM  7 years agoPost 2
gorhambirds

rrApprentice

Hickory Hills Illinois, usa

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Locking Blades

Hey Rick,

As the blades are not CG corrected, its best to lock them down with the extra bolt. It seems that the original method of only using one bolt to attach the blade to the head would, under certain in flight circumstances, allow the blades to come out of alignment, thus producing vibration. Hence, the latter method of using two bolts was developed. The one bolt method is supposed to lessen the damage should your blades strike the ground, but in all of my years flying the Cricket, maybe once I was able to walk away from that situation with low enough damage to keep flying. The one bolt method probably does more for saving the main shaft than the blades in the event of a blade strike.

Steve Z

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06-01-2010 07:56 PM  7 years agoPost 3
Gyronut

rrProfessor

Martinsville In.

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Thanx for the headsup.

Rick

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06-01-2010 09:08 PM  7 years agoPost 4
RAK402

rrElite Veteran

Alhambra, CA

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Steve,

Beautiful explanation sir!

Team KBDD/Compass Team Manger/Experience RC/Team JR Americas/WR Field Rep

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06-04-2010 12:55 PM  7 years agoPost 5
Helizrule

rrVeteran

Lake Ariel, PA

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I also use the two bolt setup but I do not lock them down tight. I have found that snug works best for me. I had trouble with the machine shaking years back and could not figure out why as in the past with the one bolt hole I never had the problem. I think the blades need to lead/lag a bit to find there sweet spot.

One mile of road will take you one mile. One mile of runway will take you anywhere in the world.

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10-30-2011 01:59 AM  5 years agoPost 6
flyachopper1

rrNovice

North Platte, Nebraska

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Late but hopefully not lost. On my Cricket I started with the two bolt set up. After two ground strikes destroying blades I wanted something that would hold the blades like the two bolt style but would give a 'soft' spot to breakaway during a ground strike. I ended up finding out that the little brass inserts you use in the screw holes of servos fit snugly into the second bolt hole. I push them in from the top, through the hole in the blade and into the hole in the lower part of the grip. This holds the blades firmly and works real well in letting go in a strike. I've used this ever since and have saved damages more than once.

Helicopters are 20,000 loose parts flying formation.

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