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Old Sep 27, 2012, 10:51 AM
Registered User
Allerod, Denmark
Joined Sep 2004
5 Posts
Discussion
Which 5-blade rotor head for 700E?

Hi,

I have just bought a new 700E mechanics and a Huges MD500 scale body to put it in. To make it nicer I want to put a 5 blade head on it

I have looked at a couple of options:
Sportsmoto: http://www.sportsmoto.co.uk/acatalog...rts.html#a3743
cnchelicopter (xmchobbies): http://www.cnchelicopter.com/servlet...ss-Head/Detail
Scaleflying.de: http://www.scaleflying.de/product_in...ny--700er.html

I have tried looking around but could not find many reviews of these. Have any of you tried them (maybe with a different number of blades) or can recommend something else? The Sportsmoto one seems really nice, but my biggest concern is that it might be a little overengineered.

Thanks for you help guys,
Anders
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Old Sep 27, 2012, 01:25 PM
Registered User
Sweden, Gothenburg
Joined Aug 2005
811 Posts
Quote:
Originally Posted by tindsor View Post
Hi,

I have just bought a new 700E mechanics and a Huges MD500 scale body to put it in. To make it nicer I want to put a 5 blade head on it

I have looked at a couple of options:
Sportsmoto: http://www.sportsmoto.co.uk/acatalog...rts.html#a3743
cnchelicopter (xmchobbies): http://www.cnchelicopter.com/servlet...ss-Head/Detail
Scaleflying.de: http://www.scaleflying.de/product_in...ny--700er.html

I have tried looking around but could not find many reviews of these. Have any of you tried them (maybe with a different number of blades) or can recommend something else? The Sportsmoto one seems really nice, but my biggest concern is that it might be a little overengineered.

Thanks for you help guys,
Anders
Anders, I have ordered the 4 bladed head from Sportsmoto to mine Eurocopter tiger, Really like the looks of it, especially the maingripbolts, dont know much about it but the price seems fair,gone try and evalute it,I have talked to Mark as it stated that the linkballs are not included but he said that everything is included exept
the pushrods,in case of the pushrods the existing one that comes with the trex are used.

Cheers
Jack
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Old Sep 29, 2012, 09:36 AM
Registered User
Allerod, Denmark
Joined Sep 2004
5 Posts
I just read a very positive review of the Sportsmoto head in Model Helicopter World (May 2012 issue), so I bougt it now
Found it on ebay (http://www.ebay.co.uk/itm/700-Scale-...item2c6621e788) from the same seller for 279 incl transportation to Denmark, so that seems a pretty good bargain.

I will give a little review myself once I get it.
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Old Sep 30, 2012, 12:58 AM
kin
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Joined Sep 2007
3,186 Posts
i can help you to buy this head in good price , they are one of my soucing company . pm me !
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Old Oct 01, 2012, 12:09 PM
Registered User
Joined Jul 2008
1,648 Posts
Here are two high quality ones that are well worth considering:

metal blade grips:

http://www.centuryheli.com/products/...MV2&pageid=472

or with Glass Reinforced Plastic blade grips:

http://www.centuryheli.com/products/...105&pageid=472
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Old Oct 01, 2012, 06:41 PM
Love my scale Whirlybirds
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Mississauga, Ont., Can.
Joined Sep 2009
2,380 Posts
Although I have only bought the 600 size rotor head, I also would give a recommendation for the Century head, either version. The one I have is very smooth and set up very easy. Good luck and take care.

Don
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Old Oct 02, 2012, 01:09 PM
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Joined Feb 2012
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you are looking for goor quality heads ?
Take a look at our hp, all Made in Germany

http://www.scaleflying.de/index.php?...otorheads.html
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Old Oct 02, 2012, 01:18 PM
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Joined Dec 2007
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I have never had a multiblade heli, but I also would recommend the Century rotor head as there are four of them at our local field and all perform very well.
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Old Oct 02, 2012, 03:55 PM
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Sweden, Gothenburg
Joined Aug 2005
811 Posts
Today i got mine monsterhead from sportsmoto.....wow,what a piece of art,also very grateful to Mark for his outstanding service and very god mailcontact,hope the head perform as good as it looks!!

Cheers
Jack
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Old Oct 03, 2012, 06:53 AM
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Joined Feb 2012
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you need to have look at the swash plate.
Servo and blade grips level are not on the same height, this will have the affect of a strange control.

Only as Info before your first flight.
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Old Oct 03, 2012, 07:08 AM
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Sweden, Gothenburg
Joined Aug 2005
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Quote:
Originally Posted by Scaleman01 View Post
you need to have look at the swash plate.
Servo and blade grips level are not on the same height, this will have the affect of a strange control.

Only as Info before your first flight.
see what you mean, in worst case changing the swashplate, but the head is superb..

Cheers
Jack
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Old Oct 03, 2012, 07:53 AM
Complete RC Idiot Savant
The Netherlands
Joined Nov 2009
2,469 Posts
Should not really give much problems, because the "inner ring" ball joints are in the same plane with the swash plate swivel point, so control movement of the blades will be evenly distributed all around the cyclic movement.

Only possible effect is, due to the "outer ring" ball links being below the swash plate swivel point, that ailleron or elevator commands will have a slight negative pitch movement as side effect, but that should not be too problematic.

With a four point control it micht cause some additional strain on the servo's however but as far as I can see, that is not the case here.

It would be different if the swash plate swivel point woild be lowered to the "outer ring" level: in that case cyclic movement would not be distributed evenly. But that is not the case either.

Brgds, Bert
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