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Build-Along-a-Chippy

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Danny Fenton12/11/2020 18:33:35
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9837 forum posts
4572 photos

If you want the best then Lyle Vasser (best pilots) does awesome full figure pilots.

Not cheap, but he is an artist.

Best pilots

Martin McIntosh12/11/2020 19:13:12
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3714 forum posts
1295 photos

Thanks but I saw those and they are not what I want.

Martin McIntosh12/11/2020 19:18:31
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3714 forum posts
1295 photos

Is it me or is F3 way too wide? Even with F4 sprung apart to keep the fus straight it is nowhere near. I have not seen a mention of this on the blogs so far.

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Martin McIntosh12/11/2020 19:21:42
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3714 forum posts
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I see what you mean Danny, way out of my league.

Danny Fenton12/11/2020 19:53:33
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9837 forum posts
4572 photos

Yes the formers are wrong need to find that bit of my build for details.

Cheers

Danny

Martin McIntosh12/11/2020 21:44:11
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3714 forum posts
1295 photos

I have been looking at your fus build whilst doing mine and have got round the other inaccuracies so far by jiggling things around but have seen no reference to F3. I think that I shall make a balsa copy, get it to fit then modify my original which really is a long way out.

Danny Fenton12/11/2020 22:24:01
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9837 forum posts
4572 photos

linky

Check page 19 the entry at 21:44:47 on 25/10/2014

six years ago, no wonder I can't remember it all......

Cheers

Danny

Martin McIntosh13/11/2020 17:10:08
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3714 forum posts
1295 photos

Thanks, I missed that bit. Although mine was accurately made from the plan I have it was rather more out than sandpaper would fix, I had to use the scroll saw on it. Done now.

Have started on the planking which I have never done before. Since mine is a larger version I am commencing with 9mm wide which I may reduce as it goes on. Trying to use aliphatic as much as possible otherwise there will be more ca than wood. I do not have enough 1/8th to do the top as well so am toying with the idea of sheeting with 1/16th then planking this over the top.

Glad now that I bought a Proxon saw which was on offer at the last W&W, it makes short work of those strips.

Martin McIntosh19/11/2020 17:22:43
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3714 forum posts
1295 photos

If anyone on here with a long memory of their build please let me pick their brains?

Some picks show the planking up to F6 and others only to F7. Which if any is correct?

When I offered up a wing centre section template to the fus, aligning it with the wing tongue (I don`t use dowels) and the rear end it meant cutting off a section of F4 and 5 at the bottom. I am pretty sure that this template is in the correct place otherwise the tongue would not align. Any ideas before I blunder on?

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Danny Fenton19/11/2020 17:48:31
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9837 forum posts
4572 photos

Martin looking at the plan the upper sheeting is planked from the tail to F7, but there is a bit of a kink at F8.

That wing template looks to high up the fuselage to me

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Cheers

Danny

Edited By Danny Fenton on 19/11/2020 17:50:05

Martin McIntosh19/11/2020 20:40:28
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3714 forum posts
1295 photos

You are quite correct of course, I pinned on the TE of the template without all of the planking in place and got it wrong, so, having the off cuts, I can glue them back and start again. I intend to make up the tail mount before going much further so that I can check with a laser incidence meter.

I do have the kink at F8.

Thanks.

Danny Fenton19/11/2020 21:43:10
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9837 forum posts
4572 photos

Great that you sorted it out Martin. I managed to mount my tail-plane crooked, and sawed it back off. When re-attaching it I ended up getting the incidence wrong, so you are very wise to dig out the incidence meter

Cheers

Danny

Martin McIntosh27/11/2020 17:06:21
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3714 forum posts
1295 photos

Oh no! Look what has happened. I have triple checked the sizes of items such as G3 and G5, their distances from the LE and TE, the aileron chord etc and am at a loss as to why this lot should be so far out. I am very reluctant to chop the whole rear fairing off and start again but can see no other way of recovering the situation. Even an infill at the gap would not blend in anywhere near. Did anybody out there who can cast their mind back that far have a similar problem? I looked at all the build blogs I could find before fitting these items.

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Danny Fenton27/11/2020 17:21:32
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9837 forum posts
4572 photos

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there was a lot of discussion about whether the curve was concave or convex but size was all okay??

Cheers

Danny

Danny Fenton27/11/2020 17:24:42
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9837 forum posts
4572 photos

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Cheers

Danny

Martin McIntosh27/11/2020 17:37:16
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3714 forum posts
1295 photos

Thanks Danny but I read all of that, looked at full size pics and decided to do it as per plan. From what I can see there are variations on the full size. The part which is causing the problem is G3, the long triangular bit from the wing TE which must be far too long. I shall probably have to start hacking it all off unless someone else comes up with a solution.

By the way, how do I exactly spell out Poor man`s Spitty since I cannot get back onto that?

Danny Fenton27/11/2020 19:24:56
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9837 forum posts
4572 photos

Daft question, but I have to ask, your part is to the outside line?

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Cheers

Danny

Martin McIntosh27/11/2020 20:54:42
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3714 forum posts
1295 photos

Ah, yes, I see what you mean. Silly me, I initially cut thin balsa parts to check on how it goes together then forgot about that when I made the real things from 3/16th and ply. I wondered why the curved G4 was a bit out. I put it down to senility as an excuse.

I could possibly modify (saw) the existing bits now that I know what a fool I have been. At least the rest of it is going together nicely with even the wing being within 1mm of the tail end. Never really want to do any planking again but it went well.

I have a cunning plan to operate the tail wheel and will post pics if it works; the parts are made, I know a bit late for most builders.

Danny Fenton27/11/2020 21:38:52
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9837 forum posts
4572 photos

You are just trying to keep me on my toes

I moved the tailwheel to a more scale position. Mine is steerable

Cheers

Danny

Danny Fenton29/11/2020 22:32:42
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9837 forum posts
4572 photos

I remember you mentioning this difficulty earlier Martin. When you build a model with no trailing edge, ie the flaps and ailerons mask the air-foil shape. Fit little temporary wing tip blocks. This will help getting the flaps and ailerons re- aligned after they have been separated from the wing. When they are aligned correctly you can remove the temporary tip and fit the final full wing tip, and know the aileron is where it should be.

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I learned this the hard way on the Chipmunk, sanding the tip to a slightly lowered flap and aileron

Now I make sure I remember before removing the surfaces, prior to sheeting.

This is on my current build a Brian Taylor P-51

Cheers

Danny

 

Edited By Danny Fenton on 29/11/2020 22:33:27

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