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HelicopterMain Discussion › how tight the blade grip should be?
04-02-2005 12:24 AM  13 years agoPost 1
Chopper1

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San Francisco Ca

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some people tells me it should be really tight and some others tells me it should be loose. whom to believe???

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04-02-2005 12:28 AM  13 years agoPost 2
pcliftonjr

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Phoenix, AZ

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I keep mine pretty tight; they can fold during autos if they're too loose .

Paul

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04-02-2005 12:33 AM  13 years agoPost 3
zoom boy

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N.E. Lincolnshire UK

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The general rule of thumb is to tighten them up so that they are just tight enough so that when you hold the model on its side the blades dont start to drop

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04-02-2005 01:50 AM  13 years agoPost 4
BC Don

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Calgary, AB Canada

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I keep mine pretty tight. Much tighter than the "don't drop if held on side". What I find is during spool up I'll get vibration until the blades settle in which is before Hover speed. But the vibration is longer than if I had the blades looser. When starting out I was told that this would help to guard against boom strikes.

Got Money? Send it to me, I'm a Heli Addict.

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04-02-2005 02:00 AM  13 years agoPost 5
Leif

rrElite Veteran

USA

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I also have my main blades tighter than zoom boy suggests. With the blades tightened, you should be able to move them in the holders by pressing on the end of the blade with one finger. If you've got to grab the blade and push with your whole had to move it, then it's too tight. If it swings too easily, then you're more likely to have the blade hit something when it decides to swing by itself.

The tail blades, on the other hand should be reasonably loose. These should be just tight enough to stay in one place, but should move easily if bumped. This protects the tail mechanics if you should touch the tail blades to the ground.

Leif

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04-02-2005 02:08 AM  13 years agoPost 6
Defiant

rrKey Veteran

usa

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If the blades on my X-Spec are too loose....it will wobble at lower head-speed.....
I would keep that in mind, if your heli starts up with some issues.


cheese

*

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04-02-2005 03:18 AM  13 years agoPost 7
dkshema

rrMaster

Cedar Rapids, IA

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ZoomBoy's got it right...

Dave

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04-02-2005 03:49 AM  13 years agoPost 8
raptorrotor

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Southern Wisconsin area USA

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Yup... I agree with dave, Zoom boy has a pretty good method. though this may vary with different blades. example R50 tt carbons are pretty light and shoulod work via this method, though I do have a set of mav 710mm blades on a gasser that are super heavy. I'd probably strip the nut befor this would work for those. I used to run them looser and always had the "spool up/ spool down shakes". then a local club member sugested to tighten them up a bit..."wha la" never had the shakes since.

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04-02-2005 03:53 AM  13 years agoPost 9
Wahoo

rrNovice

Ocala FL

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Zoomboy's right but, on some plastic head/slick blade combos, you get to a point where you can't get them too tight without worryring about stripping the threads on the blade holder bolts.

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04-02-2005 04:35 AM  13 years agoPost 10
Chopper1

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San Francisco Ca

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Thank You!!!!
now i have some ideas.

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04-02-2005 07:27 AM  13 years agoPost 11
Wa11banger

rrElite Veteran

Huntsville, Al

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I dont use sophistication... I tighten mine until they squeek when I fold em... lol.. Havent had a lead lag issue yet but I do bang the hell out of them in flight

Rick

Proud member of the Quick UK, Duralite Flight Systems, V-Blade, & KBDD team

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04-02-2005 08:39 AM  13 years agoPost 12
rchelifreak

rrApprentice

Melbourne, Australia --M.R.C.H.C. and K.D.M.A.S.--

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dont use sophistication... I tighten mine until they squeek when I fold em... lol.. Havent had a lead lag issue yet but I do bang the hell out of them in flight
lol
very professional like

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04-02-2005 09:22 AM  13 years agoPost 13
hepsibar

rrApprentice

Perth WA

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A good option especially if practicing auto's is to spool up to flight rpm with the blades bot too tight then allow them to slow to a stop on their own. Then tweak them as tight as you like - they will be in the correct position avoiding that spool up mini merry chicken dance.

Empty Coffee Cup

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HelicopterMain Discussion › how tight the blade grip should be?
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