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Elevator Counterbalance

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Phil.Perry(at)netapp.com
Guest

Posted: Fri Sep 05, 2008 6:51 pm Post subject: Elevator Counterbalance

I've reached the  point of trimming the counterbalance weights for the  elevators.

  

 Without having a  chance to balance the elevators first, trimming these weights make me a bit  nervous.  It seems like there is the possibility that Vans estimates could  allow for too much removal.

  

 If I trim the  weights as the plans describe, is there still more than enough lead  remaining to balance the control surfaces later?

  

 If so, what's the  process for removing the lead from a counterbalance weight that's already in  place?  A drill?

  

 Thanks,

 Phil

  

  [quote][b]

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ricksked(at)embarqmail.co
Guest

Posted: Fri Sep 05, 2008 7:04 pm Post subject: Elevator Counterbalance

Yup....drill out the amount needed to bring it into balance. Adding it in is a little tougher, but easily done casting some lead sheet to go under the attach bolts. 

Rick S. 

40185 

do not archive 



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Phil.Perry(at)netapp.com
Guest

Posted: Fri Sep 05, 2008 7:54 pm Post subject: Elevator Counterbalance

Thanks Rick..

  

 Even though the plans don't call for it, I'm assuming I  should go ahead and torque them down now.

  

 Thanks,

 Phil

  



   From: Rick Sked [mailto:ricksked(at)embarqmail.com]  

Sent: Friday, September 05, 2008 10:04 PM

To:  rv10-list(at)matronics.com

Subject: Re: Elevator  Counterbalance

 

 

Yup....drill out the amount needed to bring it into balance. Adding it in is  a little tougher, but easily done casting some lead sheet to go under the attach  bolts. 

Rick S. 

40185 

do not archive 



---

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carl.froehlich(at)cox.net
Guest

Posted: Sat Sep 06, 2008 4:44 am Post subject: Elevator Counterbalance

There is not enough lead, even before trimming, to balance the elevators like you would on a two place RV.  I called Van’s about this and the response was for the RV-10 the elevators are supposed to be trailing edge heavy, and to trim and install the weights per plan.  

   

Carl Froehlich  

RV-8A (450 hours)  

RV-10 (fuselage)  

       

From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Perry, Phil

 Sent: Friday, September 05, 2008 11:53 PM

 To: rv10-list(at)matronics.com

 Subject: RE: Elevator Counterbalance  

  

  

   

Thanks Rick..  

   

Even though the plans don't call for it, I'm assuming I should go ahead and torque them down now.  

   

Thanks,  

Phil  

   

       

  

From: Rick Sked [mailto:ricksked(at)embarqmail.com] 

 Sent: Friday, September 05, 2008 10:04 PM

 To: rv10-list(at)matronics.com

 Subject: Re: Elevator Counterbalance  

Yup....drill out the amount needed to bring it into balance. Adding it in is a little tougher, but easily done casting some lead sheet to go under the attach bolts.  

Rick S.  

40185  

do not archive  



 ---

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ricksked(at)embarqmail.co
Guest

Posted: Sat Sep 06, 2008 7:26 am Post subject: Elevator Counterbalance

I wouldn't.  I hung mine initally to see how close they were...very close really, but you need to redo it after all the bodywork and paint is completed...so snug them up to keep them in place unti; your final balcane is completed, I use torq seal on everything so if I don't have the yellow seal I always recheck the torque, beats making a list as long as you stick to your method of never letting one go if it is not marked. 

Rick Sked 

40185 



---

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Dick Sipp

Joined: 11 Jan 2006
Posts: 215
Location: Hope, MI

Posted: Sat Sep 06, 2008 6:40 pm Post subject: Elevator Counterbalance

Gentlemen:

  

 Let's remember that the 10 is the only RV that has  a balance spec.  It is found in the table in the text instructions (section  5 I think).  They are not to be balanced "level" but with a maximum  trailing edge down weight IIRC.  There is a spec for each control  surface.  Naturally they should be checked after painting.

  

 Dick Sipp

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