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Radicalisation


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oipigface
4 hours ago, wookman said:

Having flown and rather liking the Radical I thought I would sort out the little crease in the tip of one the tails. Drill a little hole in the bottom skin to poke the superglue applicator through and run some into crease in the top skin. Everything went ok until superglue ran out of the tip and wicked down the wiper on the control surface. Having narrowly avoided sticking myself to Roxy I had created a problem! The elevator was well and truly stuck in neutral. The wiper is tape stuck to the le of the elevator and tucked under the trailing edge of the tail. This was suck over half it’s length as the superglue wicked along it. All this was cut free righting of the wiper in the process. All the superglue was very carefully trimmed away using a scalpel. New wipers were made from diamond tape and stuck on. On the positive side the crease is now repaired and we have nice new wipers but what a pile of grief to get there!

You are not alone!

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Having flown and rather liking the Radical I thought I would sort out the little crease in the tip of one the tails. Drill a little hole in the bottom skin to poke the superglue applicator through and

Thanks mark r. I will give that a try. Nice bright day today so no shortage of light to reflect!  Here you go Satinet. Pics as requested. 

Next, a bit of Extremism.

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wookman

You to eh OPF.

A bit more on the actual repair I was trying to do!

Hopefully the pictures tell the story.

Tip with carbon doublers added.

Doublers trimmed and tip fitted.

End of the aileron added.

Just a bit of tidying to do and it’s as good as new!

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satinet

You can fix the very end of that tip. Take a razor saw to cut a thin slot in. Put in a piece of sheet like a bit of servo cover offcut. Fill the depth with isopon and sand back to shape.

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wookman
8 minutes ago, satinet said:

You can fix the very end of that tip. Take a razor saw to cut a thin slot in. Put in a piece of sheet like a bit of servo cover offcut. Fill the depth with isopon and sand back to shape.

To get the sharp corner on the tip?

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wookman

Roxy is now airworthy again. Tip and aileron back in place and finished as much as it’s going to be for the time being. If I can avoid breaking it again I will waft some paint on it at some point. Now I am Radicalised again I can get back to some Extremism. 

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A62D7FBE-D6DD-44C0-A437-3FABDB5A0CE4.jpeg

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Phil.Taylor

Well done - will be even faster now

Now get that CROW ele comp sorted - about 4mm down should do it...

Phil.

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wookman

Managed to fly Roxy with some ballast. Hmmmm nice. This is one slippery plane. I will not able to blame poor times on the plane anymore. Nowhere to hide now! Having got royally fed up with taking the nose off to turn the radio on and off I have invested in a mag switch. It will take a while to pay for itself by the saving in tape but when you factor in the preservation of what remains of my sanity, the amortisation should accelerate considerably. 

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wookman

Whoops. More mending opportunities. 

407E51F8-C7D5-4FDD-82C4-A1B6A45C674F.jpeg

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isoaritfirst

I would consider grinding out the whole servo tray area so that you can insert a ply plate.

The plate can be made then to run back through that area, it is a weak spot on that model.

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wookman

I see what you mean. It hadn’t occurred to me to do that but these super skinny fuselages do lack bending strength due the lack of cross section. A 1/4 ply plate from the wing joiner to the front of the servos would stiffen things up a bit! 

Speaking of wing joiner I now have four little cracks in it in the corners at the fuselage wing interface. Any bright ideas as to how to repair those?

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Andy_B

Do this , I do the same to all my planes stops the joiner breaking the corners out with lots of ballast in the wings , it’s just 3/8th balsa 

6511513D-663A-4651-BDD3-9F5EBBB13025.jpeg

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oipigface

Back and front? Is it flush with the ends of the hole?

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Andy_B

Yes John  back and front   and yes it is flush but it doesnt have to be ,saves those nasty Baudis joiners breaking the fuz down on heavier landings   and also serves to keep the wing servo wires out of the way .also if you do come in hard you have something to build back to 

4C722726-9864-4E9B-AF06-5A0CA69E51BA.jpeg

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wookman

Hi Andy. Don't quite get what you have done there, any chance of a bit of verbage by way explanation please.

I have a feeling you might have misinterpreted my post (not all that clear having re-read it), the cracks are in the joiner on the front where the joiner exits the fuselage / enters the wing box.

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Andy_B

ahhh sorry Grayham   yeah I took it that you had the typical joiner breaking the sides of the fuz down 

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wookman

I had considered extending the joiner hole forward in the fuz so there is a big gap. The joiner is floating anyway once installed so it doesn't really matter how big the gap is.

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satinet

Are the cracks on the joiner right on the ends? If anywhere near the middle then you need to get a new one. 

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