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RE: Europa-List: Re: Europa-List: propeller torque

Subject: RE: Europa-List: Re: Europa-List: propeller torque
From: Karl Heindl <kheindl@msn.com>
Date: Fri, 17 Apr 2009 13:18:57

Frans=2C we had the same thread about 2 years ago. Special tools (I was sil
ly enough to buy one)=2C and recalculatind torque is a waste of time=2C if 
you do as Bob says. The force exerted by your arm is less=2C but the torque
 applied at the nut is unchanged.


Karl


> From: ptag.dev@tiscali.co.uk
> To: europa-list@matronics.com
> Subject: RE: Europa-List: Re: Europa-List: propeller torque
> Date: Fri=2C 17 Apr 2009 11:44:48 +0100
> 
co.uk>
> 
> Hi! Carl
> You need to apply the torque 90 deg to the end of the spanner to have
> the load be real time torque quoted on your tool.
> Regards
> Bob Harrison G-PTAG
> 
> -----Original Message-----
> From: owner-europa-list-server@matronics.com
> [mailto:owner-europa-list-server@matronics.com] On Behalf Of Carl
> Pattinson
> Sent: 17 April 2009 11:07
> To: europa-list@matronics.com
> Subject: Europa-List: Re: Europa-List: propeller torque
> 
> <carl@flyers.freeserve.co.uk>
> 
> Im a bit puzzled here.
> 
> Whilst I can see how the device works it occurrs to me that increasing
> the 
> distance of the torque measuring device from the bolt centre will affect
> the 
> actual torque applied to the bolt head. Surely there has to be an
> adjustment 
> in the setting to compensate for this.
> 
> Unless I am much mistaken=2C the longer the adapter arm=2C the less force
> will 
> be needed to make the torque wrench click (you know what I mean). If the
> 
> torque wrench is set to the reccommended setting=2C the likelyhood is tha
t
> the 
> bolt will be over tightened or even possibly stripped.
> 
> PS: I have said bolts when I mean nuts.
> 
> Perhaps someone can point out the error of my thinking.
> 
> Carl Pattinson
> G-LABS
> 
> ----- Original Message ----- 
> From: <ivor.phillips@ntlworld.com>
> To: <europa-list@matronics.com>
> Sent: Friday=2C April 17=2C 2009 8:29 AM
> Subject: Re: Europa-List: propeller torque
> 
> 
> >
> >
> > Hi Fran
> > I purchased A Snap on tool made for the job=2C
> >
> http://buy1.snapon.com/catalog/item.asp?P65=&tool=all&item_ID=2224&;
group
> _ID=269&store=uk&dir=catalog
> > Not the cheapest solution but against a prop being loose no contest=2C
> > regards
> > Ivor
> > ---- Frans Veldman <frans@paardnatuurlijk.nl> wrote:
> >> <frans@paardnatuurlijk.nl>
> >>
> >> All=2C
> >>
> >> Today I received my Woodcomp propeller. According to the manual I
> should
> >> torque the bolts with 22Nm.
> >> However=2C because of the location of the bolts=2C it is impossible to
> get
> >> there with a normal torque wrench.
> >> Is there a special tool I'm not aware off? Or do people practice
> >> torqueing with 22Nm with a torque wrench as reference=2C and once
> mastered
> >> the feel=2C apply it to the propeller bolts? Or is it just not critica
l
> at
> >> all and is anything between hand-tight and applying brute force 
> >> acceptable?
> >>
> >> BTW=2C the propeller appears to be of good quality=2C there is a
> mechanical
> >> end-stop indeed=2C and there are two limit switches *in series*.
> >>
> >> -- 
> >> Frans Veldman
> >>
> >>
> >>
> >>
> >>
> >
> >
> >
> >
> >
> >
> >
> >
> > _______________________________________
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> > 
> 
> 
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