ORLIC

Let us all watch your new project progress.
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Geoff Pearce
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Re: ORLIC

Post by Geoff Pearce » 31 Jul 2016, 13:19

Fitted rudder servo in body, hinges set up ready to glue in place, one rod demountablt rudder.
Guide for loop wires
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VinceC
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Re: ORLIC

Post by VinceC » 31 Jul 2016, 14:04

I am interested in your demountable rudder. Please tell me more

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Barry_Cole
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Re: ORLIC

Post by Barry_Cole » 31 Jul 2016, 14:17

It's simple, like most rudders. If you hit it hard enough, it comes off.....

(Note to self. Get out more...)

:lol: :lol: :lol: :lol:

BC

Geoff Pearce
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Re: ORLIC

Post by Geoff Pearce » 31 Jul 2016, 19:11

VinceC wrote:I am interested in your demountable rudder. Please tell me more
Vince, I had some hinges made by Martin G cut bye his router out of circuit board material.
5 pieces put together , 3and2 with holes drilled in for fixing and the hinge hole which will take a 2mm bar , threaded up from the bottom, I have to fix a stop to stop bar from dropping out. ( normally fed in from the top so gravity stops it falling out see pics

Geoff
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VinceC
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Re: ORLIC

Post by VinceC » 31 Jul 2016, 20:57

OK - thanks

Martin G
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Re: ORLIC

Post by Martin G » 01 Aug 2016, 08:41

Vince,

The rudder hinge pin runs through the centre of all the hinges and replaces the centre bolt on the attached photo.

The bolts are in the photo as the hinge parts have not yet been glued together.

Martin G.
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VinceC
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Re: ORLIC

Post by VinceC » 01 Aug 2016, 10:14

Oh, I see, it is a stacked hinge. Thanks

Jilles
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Re: ORLIC

Post by Jilles » 01 Aug 2016, 10:40

Very neat and skill full.
Is there a reason Robart hinges are not used ? The 3/16"size are very suitable for large scale. I am not a fan of PC board. It does not withstand bending that much and can break like glass.

Jolly Roger
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Re: ORLIC

Post by Jolly Roger » 03 Aug 2016, 22:26

Jilles wrote:Very neat and skill full.
Is there a reason Robart hinges are not used ? The 3/16"size are very suitable for large scale. I am not a fan of PC board. It does not withstand bending that much and can break like glass.
I agree PC board is quite brittle. I've just replaced some broken PC board rudder hinges with 3mm carbon fibre plate, although if I was starting from scratch I would use Robarts. The bit of flex in the plastic is ideal.

Another problem with composite plate hinges is that the hole does eventually wear with use. At least if you leave the copper on PC board you can soft-solder a short sleeve of brass tube through the hole to improve wear-resistance. I've done this as a repair and it works a treat. I stole the idea from when we used to make all-moving tailplane bellcranks from the stuff in the 80's and reinforce the join to the pivot tube with a fillet of solder.

Sorry - straying off topic. Loving the build Geoff.

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RobbieB
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Re: ORLIC

Post by RobbieB » 04 Aug 2016, 10:08

.................like that.

Do that as standard - never had one break yet.
frise_hinge.jpg

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