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Drifter Elevator trim


skyfox1

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Hi Drifter drivers does anyone have any proven designs for elevator trim need lever control designs and cable routing under the tail plane any pics would be appreciated

 

cheers Geoff.

 

 

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Used to own a drifter without elevator trim so cannot help but had to keep this post active.

 

Surely some of you drifter guys must be able to help our friend.

 

ps. mine was a bungee cord around the stick to help with the forward pressure needed.

 

Alan.

 

 

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Thanks Alan I have to keep back pressure to keep it flying straight and level so l am putting a elevator trim on going to design my own but some others must have them .

 

cheers geoff

 

 

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Drifters produced by Wayne Fisher (Fisher Mk1) had a cockpit controllable tab fitted to the port elevator.

 

If you go to the Spectrum Aviation web site (still up) and examine photos carefully, you will see the tab.

 

From memory a horn on the tab was operated by a small diameter bowden cable, such as might operate the gears on a push bike.

 

There was one horn pointing up from the tab's upper surface. Another pointed down from the lower surface.

 

To the second horn was attached a length of bungee cord that stretched forward to a mounting on the elevator. Bungee diameter was about 5mm.

 

Thus the cable pulled against the bungee so that the tab did not flutter.

 

 

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G'day Skyfox,

 

This is the install on my Drifter. This was done by Wayne Fisher before I picked it up. There is a cable running the length of the boom in a runner every 3-4 ft. ( I think they are all bike parts?) 999006191_Trimtab3.jpg.b8b6dace7298c77be76ed6d0d29982ac.jpg

 

You also need to check the AD's on the RAA website about Drifters as I think there was a defect report on them for the wire rubbing on the elevator.

 

Hope this helps.

 

1431738122_Driftertrimhandle.jpg.96010632c626a76202a0ca3cf595c7dc.jpg

 

2007218132_Trimtab.jpg.e28a542768222076771e2ae4d44a055b.jpg

 

1804124314_Trimtab1.jpg.c85408c2c62d446ab51a3f79c4b67d65.jpg

 

1615664918_Trimtab2.jpg.d778506f50715c248e7ebd46ff35a96b.jpg

 

 

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