4 blade head and tail system - RCCanada - Canada Radio Controlled Hobby Forum
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Old 08-14-2007, 08:33 AM   #1
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4 blade head and tail system

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Has anyone used the 4 blade head and tail system? How did you find it? Did it work well?How should it be used? Should I down size my blades from 690mm to 600mm or 550mm? Can you all suggest a tune pipe that will be very quiet without killing the power? I have the 4 blade system for my scale project and was wondering. Using it on a 60 size with the OS 61 and am doing the Apache AH-64 Body kit.
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Old 08-22-2007, 01:17 PM   #2
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The head design has a lot to do with it. Which head are you planning on using? I have the Vario head that uses the blades with two bolt holes to prevent the blades from leading and lagging. I have had pretty bad experiences with this one. You have to keep the head speed down or it goes into a violent flutter.

A friend uses the OFS four blade head and has had very good luck with it. However that one is very expensive.

Scale heads do fly a lot different. If you are new to scale you may want to add gyros to both aileron and elevator. It will help with some of the pitching problems associated with flybarless heads.

As for blades I was talking with Peter Wales and he recommends narrow cord heavy blades for any scale head. It will also help with pitchyness (is that a word).

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Old 08-29-2007, 06:43 AM   #3
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On topic, you might want to check out the ScaleRCHelis forum for multiblade info. From a quick scan, they seem to have a lot of relevant information and it's pretty active.

Somewhat off topic (mini, not 60), but related - link to upcoming 3,4,5 bladed heads for the Trex 450.
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