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S1581 Hawker Nimrod MkI

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McG 696906/11/2018 21:06:05
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2629 forum posts
996 photos

Hi Danny,

If you don't mind me jumping in.

Obviously 'artist' impressions aren't The Bible at all.

But even photographs can be misleading, depending at the axle position of the camera and even more important the focal length of the lens being used. Don't ask, but it was one of my majors in my graphical studies.

If you have a look at the last pic you posted, please note the distorsion/twist of the windscreen it shows.

My best guess is that the 'blue' line of your sketch is too 'rounded' and the pencil line at the right is 'better'. Or maybe a profile just between the two of them.

Also for the back end, from a profile view, maybe the cut out should be straight and follow the line of the cockpit door at the port side.

Just my novice two euro cents, of course... wink

Cheers

Chris

EDIT > I din't saw Martin F's post when I was writing... just AMAZING... surprise

 

Edited By McG 6969 on 06/11/2018 21:27:47

Danny Fenton06/11/2018 21:30:54
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9208 forum posts
4055 photos

Hey Martin that's a great shot of Gwynn's Yes it does indeed help, that is assuming Gwynn got it right, wait did I really say that, of course Gwynn would get it right!

Anyway, half a dozen shapes have been cut in paper and offered up, I am happy with this one I reckon.......

fury134.jpg

I appreciate what you are saying about angles etc, and you are right. The top of the door in all the photos looks curved to me. like Jose I have tried to get the side view to match as well which is quite difficult, but i think this is close.

You have 30 seconds to change my mind

Cheers

Danny

Danny Fenton07/11/2018 19:36:30
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9208 forum posts
4055 photos

I have been struggling with what to do about the cowling area, and decided I better face the problem sooner than later. I started by adding some hardwood blocks to anchor the cowling in position so I could apraise the situation

fury135.jpg

I decided to split the cowl along the upper panel line, this section had to come off for battery pack changing.

fury137.jpg

People often ask how to cut cowls, and this is how I do it. I have a razor saw that is only for cutting glass fibre. The glass wreaks havoc on the blade, and will take the edge of a nice blade straight away.

fury136.jpg

The cowl was then refitted, to judge the height adjustment needed to the fuselage sides.

fury138.jpg

The top of F1 was removed, and a strip of 3/16 used to bridge F1, as a hole now made the top weak.

fury139.jpg

3/16 strips were added to the sides to bring them up to the same height as the panel line through which I had cut.

I will say that I have no idea how this will all pan out so please wait until I make progress before following this path. The objective is to ensure that parts split on panel lines, or at least close to them. If this all seems like a great deal of work then you are right. But for me I have to try and improve the lines around the nose, put it down to my OCD

Cheers

Danny

Edited By Danny Fenton on 07/11/2018 19:37:41

Martin Fane07/11/2018 21:04:17
304 forum posts
313 photos

Hi Danny

What's the idea for the front end, are you trying to get the transition to the fibreglass cowl a better shape / fit ?

Cheers

Martin

McG 696907/11/2018 21:09:09
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2629 forum posts
996 photos

Hi Danny,

Not that I'm going to 'copycat' you right away as I didn't even opened my Fury wood pack so far. frown

But may I ask you where you got that splendid white gelcoat finished cowl... ?

From some earlier pics I saw, it doesn't look at all being similar to the 'former T.' one. question

Cheers

Chris

Danny Fenton07/11/2018 21:11:08
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9208 forum posts
4055 photos

Hi Martin, I am probably not going to use the cowl at all. the next step is to fill the top section from the CS to the back of the cowl ring with blue foam. Once that is done, then I will make side pieces in blue foam, then lower cowl section.

Hopefully end up with a full cowl mold but one that goes further back. As I said I am not sure how it will work out, but the top section has to be made at least.

Cheers

Danny

Danny Fenton07/11/2018 21:20:14
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9208 forum posts
4055 photos

Hi Chris, the cowl was kicking around in a friends garage for years, and he kindly donated it to me to use as a reference. The cowl doesn't end on a panel line at all and would annoy me. It has a Traplet type reference number inside, but the lines where the three part mold are joined are very poor. The mold has been poorly assembled before the glass cowl was made. It will serve my purposes just fine.

Cheers

Danny

McG 696907/11/2018 21:38:08
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2629 forum posts
996 photos

Thank you for answering, Danny.

I don't quite understand why a 'three part' mould was needed, except of course for the top blisters.

I'm still planning to have a try at making a 'one' piece mould - including the panel lines needed - from the spinner down to the front cabanes. It would be quite large, but not really a problem as it all remains a very 'convexe' shape. I mean without the cylinder blisters obviously.

Then afterwards 'splitting' the different panels where needed.

Of course I should have a better view when/if I start up building the fuse, but maybe the idea sounds a bit insane anyhow. angel

Cheers & thanks

Chris

Danny Fenton07/11/2018 21:51:49
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9208 forum posts
4055 photos

Hi Chris, I was going to shave the blisters off and make a two part mould. I think you will struggle with a one part.

we will see how it goes....

Martin Fane07/11/2018 21:59:29
304 forum posts
313 photos

Danny

Sounds interesting.

Just tried a test fit of cowl to my forward fuselage as sheeted at present. I think getting a reasonable fit is going to be a challenge. crying

Martin Fane07/11/2018 22:03:13
304 forum posts
313 photos

Danny

Sounds interesting.

Just tried a test fit of cowl to my forward fuselage as sheeted at present. I think getting a reasonable fit is going to be a challenge. crying

Danny Fenton07/11/2018 22:49:39
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9208 forum posts
4055 photos

Mine seems fairly close Martin, don't forget the cowl is flush to F1 at the top and bottom and with F1 plus sheeting at the sides. I am sure you know this?

Cheers

Danny

Danny Fenton08/11/2018 16:08:43
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9208 forum posts
4055 photos

Did a little more over lunch. still not entirely clear on which direction to take but managed to tidy up the upper fuselage a bit. F2 has been ditched and the top section will be carved from foam.

Before i can do that I need clearly defined fuselage sides, so sheeted a good chunk, avoiding the area around the wing seats as I may need a lower wing centre section for that bit. I layed a straight edge along the bottom of the upper section sheeting to cut a true straight edge for the lower sheeting to butt up against. The curve is not too dramatic so pins and masking tape held the shape while the aliphatic dried. Yes I am trying some Deluxe materials aliphatic wood glue, so far seems good.

fury142.jpg

fury140.jpg

fury143.jpg

Somewhere inside that blue foam block is an upper cowling for a Fury, just got to tease it out....

Cheers

Danny

Martyn K08/11/2018 16:33:11
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4980 forum posts
3624 photos

This is getting a bit worrying Danny

Its good of you to point out these errors. I have a feeling I am going to fit the cowl first and work backwards from there. The only thing I cant easily modify is the cowl..

Martyn

Danny Fenton08/11/2018 16:40:13
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9208 forum posts
4055 photos

Martyn, if you are happy to use the cowl then everything will go together fine. I am creating more work because i want to remove the entire top section for access to the cells.

Cheers

Danny

Martyn K08/11/2018 16:43:15
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4980 forum posts
3624 photos

Ah I understand, I thought that the sleek line from cowl to cockpit had been lost somehow. It still may not be a bad idea though

Thanks

Martyn

Martin Fane08/11/2018 17:43:47
304 forum posts
313 photos

Hi Danny

Are you planning to use the lower and front sections of the original cowl and just make a replacement full length upper section or an "own made" full length cowling / forward fuselage ??

Martin

Danny Fenton08/11/2018 17:49:21
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9208 forum posts
4055 photos

Hi Martin, I know I am supposed to know what I am doing but to be honest i am winging it. I am not intending using any of the cowl, but don't hold me to that

I may mount the motor soon to give me a spinner backplate to sand up to.

Cheers

Danny

Jose L. G.08/11/2018 18:23:13
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180 forum posts
133 photos

Hi Danny.

I like a lot your aproach to the front-end of the model. I`ll do it in the spanish versión so I can change the shape of the cowl as needed.

Cheers

José Luis

Danny Fenton09/11/2018 11:41:32
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9208 forum posts
4055 photos

I haven't looked at the Spanish Fury José Luis, so don't know how much difference there is re the cowls? The Nimrod I and II are very similar to the Fury. The oil cooler being under the chin on the Nimrod, but in the radiator on the Fury.

fury146.jpg

More blue foam dust, and an arm like popeye has the bulk of the shaping done on the top section. Looking at the pics, the cowl is almost flat over the whole length, with just a slight curve towards the cowl ring. This makes sense As Sydney Camm would have had an eye on ease of production, and large compound curved sections would not be quick to make.

So the litho work may not be as arduous as you might think

Cheers

Danny

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