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Member postings for Peter Garsden

Here is a list of all the postings Peter Garsden has made in our forums. Click on a thread name to jump to the thread.

Thread: F86 "Gamma" Build
03/04/2020 15:56:57

Martin, did I read correctly that on the Gamma Build you altered the Centre of Gravity from 168mm behind the leading edge to 172mm? I am at the stage of balancing. I think you said that this C of G suited your style of flying better?

Thread: Pete's Cavallino Rampante Italian Aerobatic Team Sabre
03/04/2020 08:03:02

This is my exhaust as mentioned on Phil's blog. It is not as effective as the A4 Skyhawk because the exhaust is larger and not as recessed. The test, I suppose is when it gets into the sky!

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This shows the advantage of a fibreglass fuselage - thin walls.

The disadvantage usually quoted is weight, but I think we are going to end up with the same weight as the prototype ie. about 4lbs.

Edited By Peter Garsden on 03/04/2020 08:03:34

Thread: Phil's F-86 Sabre build thread
02/04/2020 21:38:52

I agree - superb craftsmanship as usual and as we expect of you Phil. But.... that is the advantage of a fibreglass fuselage - I had a 1.5mm exhaust wall ready made. Like the A4 Skyhawk, I have put a luminous orange disc in the exhaust with silver round the outside to make it look like an exhaust glow. Will post a picture on my blog.

02/04/2020 21:38:51

I agree - superb craftsmanship as usual and as we expect of you Phil. But.... that is the advantage of a fibreglass fuselage - I had a 1.5mm exhaust wall ready made. Like the A4 Skyhawk, I have put a luminous orange disc in the exhaust with silver round the outside to make it look like an exhaust glow. Will post a picture on my blog.

Thread: Pete's Cavallino Rampante Italian Aerobatic Team Sabre
02/04/2020 18:22:12

So to the fairings or more accurately fill in the curve of the fuselage over the wing.

First I made some paper templates for the lower sheeting

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1/64" Ply is the only way to go as it is flexible enough. I covered the bottom of the fuselage with clear film I use for the plans - it is florist wrapping which is ideal. I should actually have used cling film which would have been better because it is flexible.

I then applied a coating of Cyano to where it meets the bottom of the fuselage and pushed both sides into place. The important thing is that it must follow the dihedral of the wing

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I then had to make wedges of 3/16 scrap balsa to support the side sheet of 1/64" ply and push the front and back down to follow the wing. I used my profile tracer I have shown earlier in this blog to map out the curve for each support piece which worked really well. I now have to make another paper template to follow the side pieces, which will also be of 1/64" ply

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02/04/2020 17:58:23

Yes indeed it is Steve. Took pictures of an assembled nearly complete model yesterday so here we are

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If you look carefully you can see the incorrect curvature of the fuselage over the wing which, unless corrected will be a terrible wind turbulence creator, hence the need to create fairings. I have done panel lines on the wing but not the fuselage yet until the fairings are done.

Edited By Peter Garsden on 02/04/2020 18:02:46

31/03/2020 20:14:42

Time to link up the flaps and ailerons. Ages ago I bought a supply of 2mm studding which is ideal for connecting rods, as, unlike bicycle spokes, you can put a clevis on each end.

Space was limited so I filed down the edges of the metal clevis.

I was worried that I wouldn't have enough movement on the flaps. Martin on the plan recommends 25mm down on crow and I only have 15mm but it should be fine. It isn't a mouldie and won't fly that fast, so it is questionable whether it needs flaps. As I have them I will use them.

I cut out some control horns out of circuit board. I used the upper hole for the flaps and the lower one for the ailerons

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Thread: Phil's F-86 Sabre build thread
29/03/2020 22:31:01

My canopy line was correct, but mine is splayed out more than it should be due to the shape of my flattened cockpit area. It is all adjustable depending on where you put the raised border to glue the edges to. Great work as always though.

Thread: Rob's F-86F NASA 228 research aircraft build
29/03/2020 22:20:50

Peel Ply is good because it soaks up resin, however you can produce the same effect with kitchen roll. It leaves, however, an imprint of the cloth weave. If you want a smooth finish then you have to wrap it in cling film for example. So you will have to fill the imprint of the weave with filler.

29/03/2020 22:20:49

Peel Ply is good because it soaks up resin, however you can produce the same effect with kitchen roll. It leaves, however, an imprint of the cloth weave. If you want a smooth finish then you have to wrap it in cling film for example. So you will have to fill the imprint of the weave with filler.

Thread: Pete's Cavallino Rampante Italian Aerobatic Team Sabre
27/03/2020 18:46:37

Yes Phil I am planning panel lines. Do you think that I should? use the usual fine black fibre tipped pen? Will it stand out too much against the cream?

Mind you I only have 6 months to do it so will time be a bit tight?

27/03/2020 16:28:51

Well, have put in the closed loop connections for the rudder. It is quite small and doesn't move an enormous amount, and is a lot of work, so I hope I can generate enough energy to use it in stall turns?

All fuselage decals on, receiver in, battery in with extension lead, magnetic switch hot glued into the side of the fuselage and a hole drilled for the blue light indicator, so I think, apart from balancing, the fuselage is finished.

Oh No. I need to create some wing fairings due to me making a boo boo and sanding a curve to the over wing fuselage in view of the shape of F6 - what I didn't realise was that the bottom part of F6 gets cut off. I think it will be alright - a mixture of 1/64" ply and balsa supports. Made them before.

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25/03/2020 20:12:11

ADF = Automatic Direction Finder which is like an old Sat Nav and works off beacons stationed in different locations. Anything else you need to know about rear cockpit machinery in the F86 Sabre,..... just ask David Sack....

Having self isolated in the shed, I was not looking forward to making the red circular trim for front of the fuselage. I measured up the drawing and used french curves to make a cardboard template. The curves not only sweep to the tail but also under the fuselage into a point to the rear underneath. Not easy.

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.Solartrim does not stick to bare balsa so I had to use a mixture of Solarfilm and Trim, but mainly trim because the cream Glosstex was underneath. Fiddly.

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The canopy went on with some RC Modeller's Glue.

23/03/2020 10:16:04

Excellent information chaps thank you. I will now have to research what a ADF is. My thought was something to do with the ejector as it all seems connected.

22/03/2020 17:01:43

I have had words with the pilot who screamed when I cut through his upper body with a hot knife. I went for the head with the visor up, and have been busy painting today. Ideal flying conditions but the wind was ESE which is not a good direction for our slopes. Tomorrow will be SE which is better.

So have assembled and painted Wayne and his seat and glued them in. Also some bits of canopy furniture.

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Does anyone know what the orange dome thing is? Looks like clear perspex with a gauge inside on the photographs?

21/03/2020 16:17:45

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LOL Mr Meade - and well done for having a go at my correct title. I am, however, an Honourable Member of Leek and Moorland Gliding Association - note to self for the future.

This little man fell out of the box, superb finish, very smooth, and a choice of 2 heads (he must be in two minds?), You can't say fairer than that. I only need head and shoulders, but he is going to be so nice, and virus free too. Made sure I washed my hands after touching him of course, and did not even pick my nose afterwards.....absolute bargain and highly recommended.....

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Edited By Peter Garsden on 21/03/2020 16:18:20

21/03/2020 16:10:15

Isolation and Corona = Good building time - time stolen to do "those jobs you never get round to"

Algebra has never been my strong point.

Still the build goes on despite postponement. I can always test fly the Sabre, get it set up, then store it ready for the event. I know this is against the rules but I am a maverick at hear.

Have covered the wings with a mixture of Solarfilm and Glosstex. The issue is that this version is covered in cream, and I much prefer film to paint, so I hunted for something suitable. Solarfilm have sold out of Cream. Oracover cream is a dirty brown. I sent it back. Glosstex is is a bit heavy but is like plain Solartex with a paint layer already applied. Strange stuff. We will see how much weight it adds on top of the previous 2.5lbs already logged above.15848011392741777769606.jpg

I was planning silicone hinges. I made top hinges for the ailerons and bottom hinges for the flaps. I sanded down the covering, applied Prymol, and syringed in the silicone. I let it go off. Sadly, when the tape came off, it didn't stick, so I pulled it off and went for Blenderm Tape, which I have never used before. It works anyway. A layer top, then fold it over and apply a layer underneath.

I have nearly finished covering the fuselage. the fin and tail are done, but right in the middle, the postman arrived and ..........

Edited By Peter Garsden on 21/03/2020 16:12:38

Thread: Tornado GR4 (150%)
18/03/2020 09:28:47

Great progress Dave, well done. Nice detail in cockpit.

What scheme are you following?

Good luck with the glassing.

Having one of the smaller ones, I can see that you have gone for a formed top to the wing rather than solid block as per mine which is a great idea as it will save weight.

Are you doing the Andy Blackburn original plan enlarged area wing or the cut down more scale wing which Phil did? I would favour the former as it will perform better in light winds.

So we will see it at the Orme in April? yeswink

Thread: Pete's Cavallino Rampante Italian Aerobatic Team Sabre
17/03/2020 21:07:26

I am whiling away the time adding detail to the cockpit. I was looking at photos and realised that pipes come from the various pieces of machinery to each other and the cockpit.

I had some copper wire (one of those things that will come in handy one day), so I used it as the basis and threaded on black shrink tubing as pipe outers

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17/03/2020 17:34:10

Well, I had a little weigh of the fuselage which is finished apart from covering. I then weighed the wing so between them they came out at just over 2.5lbs which is good. I can't see the covering adding a pound so all good I reckon. I did add in the battery for the weigh and receiver. No closed loop system or control rods for flaps and ailerons, nor, indeed did I add the control surfaces. Still good though. I was a bit worried about weight because I should really have remade the formers out of balsa - at least some like F9 and F10 at the tail as I had the strength in the fibreglass and didn't need to double up with the formers, unlike the balsa version. Hey ho!

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