RunRyder - 4 bladed head what size blades ????

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Scale Model RC Helicopters > 4 bladed head what size blades ????

ncpdheli
Senior Heliman
Location: New York, Long Island

60 Size 4 bladed head Futura S/E what size blades. I fly semisemertical blades on my helis but do I go smaller or go to 600 680 I dont have a clue..

09-18-2002 Over year old.

Al Magaloff
rrMaster
Location: 12,199 Posts- Enough Time Wasted. See Ya!

Hey Danny. The Vario guys use 670mm x 45 cord and 730mm x 46 cord on their four blade heads. I would think the 730's a bit much for a 60 size motor.

09-19-2002 Over year old.

ncpdheli
Senior Heliman
Location: New York, Long Island

Blades

I'll probably go with 660's I cant use the Vario blades.
Thanks
Danny

09-19-2002 Over year old.

Al Magaloff
rrMaster
Location: 12,199 Posts- Enough Time Wasted. See Ya!

Be careful of the cord width, 4 660 x 60 cord will be a real challenge.

09-19-2002 Over year old.

ncpdheli
Senior Heliman
Location: New York, Long Island

Cord

So what do you suggest on the cord width.

09-20-2002 Over year old.

Moore
Senior Heliman
Location: California 93094-0940

On a 4-bladed head

You want a chord of about 46mm when using 660mm blades resulting in about a 1500mm disk.

For a 1600mm disk, you want about a 53mm chord with 725mm main blades.

Hope this helps.

09-20-2002 Over year old.

ncpdheli
Senior Heliman
Location: New York, Long Island

Blades

So what blades do you recommend for this 4 bladed head in semi symmetrical.
YS ST II and its a Futura S/E going in a Long Ranger Fuse..

09-21-2002 Over year old.

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Scale Model RC Helicopters > 4 bladed head what size blades ????

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