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Warbird Replica Spitfire MKix

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Martian03/12/2017 17:18:40
1837 forum posts
865 photos

I nearly forgot you know those little fingers of liteply you poke out of laser cut ribs i use them to stop the balsa being bruised when holding with pegs

McG 696903/12/2017 18:21:44
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2125 forum posts
901 photos

Great progress so far, Martian.

I tend to use Aliphatic or the Belgian branded Soudal PVA as first choice. To be honest, but without much experience though, I fell 'in love' with the water based Deluxe Superphatic (from UK !) as a great CA substitute.

If you don't 'like' CA, perhaps you should give it a try.

Still following, young man.

Cheers

Chris

 

Edited By McG 6969 on 03/12/2017 18:23:32

Martian03/12/2017 19:16:08
1837 forum posts
865 photos
Posted by McG 6969 on 03/12/2017 18:21:44:

Great progress so far, Martian.

I tend to use Aliphatic or the Belgian branded Soudal PVA as first choice. To be honest, but without much experience though, I fell 'in love' with the water based Deluxe Superphatic (from UK !) as a great CA substitute.

If you don't 'like' CA, perhaps you should give it a try.

Still following, young man.

Cheers

Chris

Edited By McG 6969 on 03/12/2017 18:23:32

Thanks Chris I will have a look for that and less of the young man

Martian06/12/2017 20:31:32
1837 forum posts
865 photos

Wings all skinned now pictures show the progress . Started the fuselage with lower formers to check wing fit and alignment also while waiting for glue to set am putting on the wing leading edges and wing tip sheet

spitfire 005.jpgspitfire 004.jpgspitfire 003.jpgspitfire 002.jpgspitfire 001.jpg

Martian06/12/2017 20:35:06
1837 forum posts
865 photos

spitfire 009.jpg4 more pics one of which is the battery mount assembly

spitfire 008.jpg

spitfire 007.jpg

spitfire 006.jpg

Martian08/12/2017 20:08:26
1837 forum posts
865 photos

front wing locating former

spitfire 010.jpg

Wing mounting plate with blind plates

spitfire 009.jpg

Rear top formers ready for sheeting

spitfire 008.jpg

Top former going in place and top spine in place

spitfire 007.jpg

back to the wingtip and leading edge laminate nearly sanded to finished profile arm was aching to gave it a rest

spitfire 006.jpg

spitfire 005.jpg

spitfire 004.jpg

gluing lower formers in place using gorrilla pu glue ,all squared up and duoble checked, unfortunatley the formers in my kit are a sloppy fit but I am able to correct this by gluing 1/32 balsa on the tab with ca and sanding to fit it works well

spitfire 003.jpg

Motor mount assy and battery plate all ready for fitting to the fuselage ,blind nuts fiited and hole for motor wires drilled

spitfire 002.jpg

wing tip sheet pinned in place

spitfire 001.jpg

Dickw08/12/2017 21:29:02
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322 forum posts
41 photos

You are making great progress and are soon going to overtake me on building the fuselage because I am doing mine as a 2 seat trainer, so a bit of extra work for me.

As well as moving the front cockpit forward and shortening the front decking I have had to make up extra formers and side sheets for the rear cockpit, plus the rudder and elevators are slightly different on the T9.

Bending the fuselage sides round the nose formers took lots of clamps and tape, but the result was good. I also found the cowl very fiddly to trim to shape and glue together, but if you take plenty of time over it all works out nicely.The problems of building such a shapely model I suppose.

Dick

Martian08/12/2017 22:07:39
1837 forum posts
865 photos

Thanks Dick ,that's the thing with this kind of kit much of it is relatively simple you can afford to take time on difficult areas

Martian12/12/2017 18:51:55
1837 forum posts
865 photos

More progress, final sanding of the wing has yet to be done below a trial fit of the top part of the cowl all parts for cowl cut out ,just an aside Richard Wills of Warbird Replicas now does some really excellent merlin exhausts units (on order)

spitfire 3 007.jpg

Mid top section now covered easy enough to do my method is to use spots of CA and a bead of aliphatic on lower edge the let it dry then bend to middle at top slicing of the excess sheet on centreline roll around and glue using aliphatic and pins to hold till dry .

spitfire 3 006.jpg

Turtle deck sheeted and top block glued in place then rough shaped

spitfire 3 005.jpg

control snakes in place also triangle fillets glued in place later together with the bottom blocks in place this will be planed and sanded to a rounded shape

spitfire 3 004.jpg

turtlle deck before sheeting

spitfire 3 003.jpg

top mid section pinned in place

spitfire 3 002.jpg

Lower cowl cut out ready for reinforcing strips ,the outline in black is supposed to be to create a battery hatch not sure i'm doing it this way yet . thats it for now

spitfire 3 001.jpg

Martian13/12/2017 21:48:06
1837 forum posts
865 photos

I spoke to Richard yesterday and contrary to my statement the Spitfire is still available and will be for sometime , I can highly recommend this kit so to get one ☺

Dickw14/12/2017 10:58:36
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322 forum posts
41 photos

Good news about the kit still being available and like you I can highly recommend it.

It is very adaptable as well - the attached pic shows my 2 seat version mods with a shorter front deck and an additional cockpit, plus new rudder shape.

Martian, your workshop looks tidier than mine!

Dick

two cockpits and new rudder.jpg

Martian14/12/2017 17:57:22
1837 forum posts
865 photos

Dick do you really think I would show my workshop as it is,I shove everything to one side then take pics,

Your double cockpit is looking really good, I'm not going to do the cockpit sides until I have fitted it out got pilot and instrument panel on order from Richard only 9.95 , Ady made his tailwheel castoring I going to do the same but using a different method i.e using wheel collets through the ply plate with brass sleeve bearing i hope that will be ok. Some careful work needs to be done at the fuselage rear to get a sharp taper through fin to rudder trailing edge I'm going to temporarily fit all to sand to shape that's the theory anyway.

David P Williams14/12/2017 18:26:53
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732 forum posts
273 photos

After failing to work out how to make the tailwheel steerable I've made mine fixed. Castoring tailwheels are much too squirrely for me.

Martian14/12/2017 21:16:34
1837 forum posts
865 photos

Out of interest did the Spitfire have a steerable tailwheel

Dickw14/12/2017 23:23:27
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322 forum posts
41 photos

Well if it was steerable it doesn't seem to be linked to the rudder on the one I am modelling - see attached photo - rudder one way wheel the other!

I have made mine castoring as well.

Dick

spitfire tailwheel.jpg

Paul Johnson 415/12/2017 06:43:19
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646 forum posts
447 photos

Hi guys

Free castoring tail wheel = squiggle!!

I had one but soon fixed it....

2017-04-30 14.15.21.jpg

Dickw15/12/2017 09:58:53
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322 forum posts
41 photos

Looks very nice Paul.

I made my tailwheel castoring because I wasn't sure with fixed how easy it would be to do 180 degree turns at either end of the runway on the ground. But, easy to fix with a few drops of suitable glue if castoring is a problem.

Dick

David P Williams15/12/2017 10:31:53
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732 forum posts
273 photos

Many full size aircraft have castoring tailwheels for taxying, but then they usually have differential braking on the main wheels to aid manoevering.

They also often have a tailwheel lock though, which is engaged when lining up for takeoff and disengaged before turning off the runway after landing. More info here.

Quote - "There is no way to taxi in a straight line with no lock in a brisk wind."

p.s. from a quick search it appears that Spitfires did not have locking tailwheels, the suggestion being that they were designed for the wide open grass airfields of the day when take off and landing could almost always be made into the wind. I'm sure more knowledgable members will be along shortly with further info.

Edited By David P Williams on 15/12/2017 10:36:55

Martian15/12/2017 12:02:40
1837 forum posts
865 photos

Thanks guy very useful and informative feedback.

Paul Johnson 415/12/2017 20:11:39
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646 forum posts
447 photos

I got the advice from the Govenor....(Richard)

Full size if you look closely at a Spit you will see the castor takes place at the bottom of the leg a little like a shopping trolley wheel so tended to pull back inline. But at this scale and taxiing over the equivalent of a ploughed field you need a lot of help to keep it straight.

For an experiment when complete if you first try to taxi it castoring you will soon see how much it will veer about. It is also a lot worse on a hard surface..

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