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Elevator bias spring

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david_a_g_johnson(at)btin
Guest

Posted: Tue Oct 02, 2007 7:16 am Post subject: Elevator bias spring

I think this is a query for anyone building in the  UK, as it concerns a PFA mandatory mod.

  

 The PFA insist that we install a link between the  Flap torque tube an the elevator horn to apply a pitch bias when the flaps are  lowered.

  

 I have the drawing for it, but don't have the  facilities, (or the skill) to do the machining and welding needed. (the welding  presumably has to be done by a CAA-approved welder).

  

 How have other builders dealt with this? CZAW don't  want to know and Zenith don't reply to e-mails. Since it seems to be a  UK-specific mod, I guess they wouldn't be able to help anyway.

  

 Any advice welcome!

  

 Dave Johnson

  

 601XL 90% done, 90% to  go

    [quote][b]

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zodierocket(at)hsfx.ca
Guest

Posted: Tue Oct 02, 2007 7:37 am Post subject: Elevator bias spring

Dave, call Zenith and ask for the Phone # to Zenair Europe. Nick Heintz is over there now to help you folks out. Zenith can’t help because it was a European modification that they were not involved with. It was developed by Chris Heintz and the European dealer, of which Nick Heintz is now in charge.  

     

Mark Townsend  

Can-Zac Aviation Ltd.  

president(at)can-zacaviation.com (president(at)can-zacaviation.com)  

www.can-zacaviation.com   

  

   

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countzero

Joined: 25 Oct 2007
Posts: 25

Posted: Thu Oct 25, 2007 4:59 am Post subject: Re: Elevator bias spring

Dave, the mod drawing shows an extension spring labeled with a CZAW part number, does the CZAW plans include any details or spec for the spring? I'm working on the tail now and I will need to incorporate this mod but I can't find the parts, does Zenair Europe stock them.

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david_a_g_johnson(at)btin
Guest

Posted: Thu Oct 25, 2007 5:29 am Post subject: Elevator bias spring

I've been fighting this one for some time now - I think I am getting 

somewhere at last!



I finally contacted Lawrence Lewis (long 'phone call!!) who suggested I 

phone CZAW direct and ask to speak to Monika. Her reaction was immediate 

"yes, you should ahve been supplied with the kit, I will arrange for it to 

be sent out to you at no cost".



I have just this minute received an E-mail from her to say it is in the 

paint shop and will be sent out next week.



If you are building from plans, I will be able to give more information on 

the spring when I get it.



So if you are building from a kit, I suggest you contact her.



Monika's E-mail is m.polaskova(at)czaw.cz



It may be best to phone her first, the No. is +420-572543456



Since this is only of UK interest and probably rather boring to our US 

friends, feel free to contact me off-list on 

david_a_g_johnson(at)btinternet.com



do not archive



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