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HelicopterHenseleit 3DNT - Rocket - 3DMP › Rigit how works
06-02-2010 08:46 PM  7 years agoPost 1
telix636

rrApprentice

Italy-Novara

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Hi ,
I looking for info reguarding 3D rigid sistem.

The head of this elicopter doesn't work like a normal head? (like t rex 700?)
I looking the part of head , there's a o-ring like other head.
So , in finally this head is dampered or not?

Is the same if I left the o ring on normal head and put for example a derlin cilinder with same dimension of oring modifing the head in rigit no dampered, correct?

What advantage will be with no dampered head? (more reactive, and.....?)
TKS
MArco

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06-02-2010 08:54 PM  7 years agoPost 2
jones007

rrApprentice

Monterey, CA - USA

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I might be missing the point of your post here, but I think you might be thinking that the name of the Henseleit Three Dee Rigid helicopter implies zero damping in the head, and believe this is not the case. I'm not sure what the rationale behind the name choice was, but I suspect it has more to do with the electric, flybarless specific design that has a minimal length of mainshaft, unlike all the flybar-to-flybarless conversions. Perhaps someone that owns one can comment on this.

I think a 90-sized heli with no damping in the head will not last long.

--Kevin

Trex 700N, Trex 600ESP, Trex 500, Trex 450Pro

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06-03-2010 02:22 AM  7 years agoPost 3
skint eastwood

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uk

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'Rigid' is the term that German pilots use for 'flybarless'. The Rigid uses two O rings for damping on each blade grip. They come in two different hardness's giving you three different combinations.

This is for the original 09 model, the 2010 may be different.

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06-15-2010 03:17 AM  7 years agoPost 4
UH-60PILOT

rrVeteran

Seoul, South Korea

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I just compared the picture posted by skint eastwood to the new 2010 version in my TDR instructions and the part #0112 has been removed. Is this correct. The part #0112 in the pre 2010 heads looks like a spacer that holds the relationship of the bearings but is not present in the new picture.

Kenny Thompson

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06-16-2010 10:35 PM  7 years agoPost 5
OICU812

rrMaster

Edson, Alberta, Canada

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2010 head has floating spindle completely different for sure.

...Once upon a time there were Nitros, flybars and frequency pins...

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06-17-2010 12:21 AM  7 years agoPost 6
UH-60PILOT

rrVeteran

Seoul, South Korea

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Isn't the previous head a floating spindle? The spindle in the new 2010 head is actually captured via a center pivot pin like a semi-rigid head with outboard dampers. Are they both considered floating spindles?

Kenny Thompson

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06-20-2010 03:28 PM  7 years agoPost 7
Heliskip-2

rrNovice

St. Petersburg, FL USA

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Hi guys,
the 2010 version of the TDR has no floating spindle(feathering shaft).

The feathering shaft is embedded in a seesaw which allows it to pivot around the horizontal axis (from a certain point on also dampened) but the feathering shaft is fixed in the horizontal movement with a countersunk worm screw at the seesaw.
And the seesaw itself is fixed at the the head centerpiece with two bearings.

Cheers
Heliskip-2

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06-24-2010 09:43 AM  7 years agoPost 8
seijoscha

rrNovice

hanstedt niedersachsen in Germany

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2010 Head !

https://rc.runryder.com/helicopter/...creen_00000.jpg

Voodoo600 AC-3X 2.6,TDR Rigid V-Bar 5.2.Goblin700 V-Bar 5.2

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06-24-2010 09:56 AM  7 years agoPost 9
OICU812

rrMaster

Edson, Alberta, Canada

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Pivoting then but action similar to that of floating allowing low hs with no vibe tendacies.

...Once upon a time there were Nitros, flybars and frequency pins...

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