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Hawker Hurricane MK1

by Harry Twist

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Harry Twist07/06/2018 00:00:02
341 forum posts
248 photos

Hi Trevor - yes all sorts of issues/solutions with the spinner to forward fuselage gap - on full size Hurricanes. On the model though - I will be aiming for a seamless joint!

Trevor C -the underslung radiator has been discussed on some of the other build blogs, certainly not all slope landings are on soft long grass! It is a large part of the underside character of the Hurri so I'm sure all builders will want to include it. I think the general feel at the moment is to permanently affix the radiator to the model, then protect it as much as is possible (fibreglass?) and accept that it may be somewhat sacrificial! The benefit is that it may protect the rear tailwheel area. Other options are magnetic mounting, or some type of "knock off" system.

So I have nearly finished sheeting the Hurricane fuselage, I decided to laminate the area immediately behind the cockpit as it is a severe bend for a single piece of 10mm sheet, the flatter rear area was kept as one thickness. I did add a mini former forward of F8 just to pinch the fuselage topsides before sheeting, this was to encourage them to remain parallel. Next fuselage job is to complete one more laminate layer on rear fuselage then onto some serious sanding to shape.

Also now made up wing sheets and started to construct the wings, right wing first. To ensure the ribs sat neatly on the sloping sub trailing edge I made up a simple jig to help trimming.

Some photos below of a little more progress.

Rear sheeting of fuselage.



Wing being laid up - not glued at this stage


Small jig used to trim ribs and match to sub trailing edge (on a cutting mat sit the rib next to the jig and trim off rear of rib to match angle on jig).





Edited By Harry Twist on 07/06/2018 00:00:48

Peter Garsden07/06/2018 08:00:52
1676 forum posts
1259 photos

Love your jig idea Harry. I just sanded away and then dobbed glue on!

Intriguing that you planked the top of the fuselage. I concluded, after comparing with the plan, that the top of the fuselage, like all the fuselage, is cut proud to allow for rounding off and bending.

If you look at the full size it is straight from F7 to the fin, so I (with a lot of difficulty) used a rule to trim off the top, so as to make way for the 1/2" sheet. I can see that Matt designed F6 and F7 in this way because the fus is flat between the 2 then slopes away to the rear.

I think that is how it is meant to be? Phil?

Good work around though using planking.

Andy Meade07/06/2018 08:43:18
2724 forum posts
698 photos

That's how I read the plan too - the convex part between F6 and F8 should be trimmed back to a straight line between formers before top sheeting. I did the same as Pete, used a ruler and made the cut "flat" so the sheeting can plop on top with the most gluing area.

Callsign Tarnish07/06/2018 18:52:23
89 forum posts
1 photos

Yes, that's nice thumbs up

Harry Twist08/06/2018 22:29:29
341 forum posts
248 photos

Hi Peter / Andy - many thanks for your helpful input. Following your posts I've backtracked and removed the laminate sheet, then trimmed and levelled the fuselage top as you indicated and added in the 10mm sheet (which is what I should have done originally had I got a brain!). To remove a slight bit of bowing I added a  second mini former in front of F8.

Now also sanded the fuselage sheeting nearly to shape, plus I have done a bit more overall fuselage shaping and started the centre wing panel.


Fuselage top levelled ready for 10mm sheet



Rear fuselage top sanded nearly to profile



Bit more fuselage shaping done



Wing centre panel underway.



Edited By Harry Twist on 08/06/2018 22:33:59

Phil Cooke08/06/2018 23:27:55
2385 forum posts
1638 photos

Looking good Harry! Just think in 3 months we will be running the event!! We are half way through the build time! thumbs up

Harry Twist23/06/2018 00:46:20
341 forum posts
248 photos

Well I've pushed on a little further with the Hurricane. Fuselage now nearly to shape - sits in my cardboard templates fairly well, little more to do then sand to a fine finish. I am using a combination of : templates / 1:72 airfix kit / the plan and a few photos to help achieve the shape.


With the wings - I have fitted the ply wing joiners and gone for the same method as Phil, the ply is trimmed to sit underside of the top skin. I have also butchered carefully cut into the wing leading edges to accomodate lights, I added a sub rib back to the main spar creating a box effect, I also talked myself into fitting wing tip lights ( fitting lighting to a glider is a first for me!).


Next job was to start making up wing and centre panel top skins, here they are just laid on the waiting sections.


I have been carefully cutting down the spinner to size, using the plan to obtain the shape I made up a ply cruciform from some of the spare lightply in the kit. Hopefully F1a will sit on this and the fuselage front when all is trimmed up.


In addition I have been thinking about which particular Hurricane to model and now think I am homed in. I'm going for the last Hurricane built - but I am going to use the scheme when she was registered as a civilian aircraft and used in Kings Cup air races in the 1950's. In this guise the aircraft was predominantly Royal Blue with gold trim/markings. A little like the image below. Clearly as the last Hurricane its not a mk1 but a 2C! The main visual changes on this aircraft were- at some point during its racing life the exhausts were changed to six port from three and the large aerial was removed.


Steve McLaren23/06/2018 08:25:43
232 forum posts
246 photos

Blimey it seems that everybody is doing llights! Mine is going to be very sub-standard. At this rate, I shall be in the pub on my own whilst you're all flying around in the dark!

Nice choice of scheme Harry. I didn't know that one existed. Are you going to do it in glass cloth again?

What are you thinking/planning about skin joints between the wing panels. If you're planning to glass it, then I suppose that will create extra strength. But is 25gsm enough?

Mark Kettle 123/06/2018 10:25:18
2491 forum posts
1504 photos

Hi Harry, I'm doing the blue one as well, nice choice mind. I've repeat the black and white video of the aircraft in a race, however on the 'Hurricane video thread' for those that have missed it first time round.

Nice build by the way.

onetenor23/06/2018 21:20:15
1901 forum posts
Posted by Trevor on 02/06/2018 09:24:08:
Posted by Harry Twist on 02/06/2018 00:35:32:

I thought the photo below was great - so decided to share!



Beautiful! I couldn't help but notice how the 'fit' of the spinner varies on those three aircraft. Maybe best not to replicate the gap on a PSS model though!

onetenor23/06/2018 21:44:18
1901 forum posts

Many spinners were hand beaten or spun field replacements by airframe fitters. They often wobbled a bit too. I was told this by an ex RAF fitter .a panel beater in civvy life.

Phil Cooke23/06/2018 21:45:34
2385 forum posts
1638 photos

I do like your use of sanding templates Harry, excellent stuff - your model is really coming on well!

Peter Garsden24/06/2018 09:54:08
1676 forum posts
1259 photos

Looking good Harry. All blue will be a lot easier than camouflage, that's for sure.

I note your idea of putting some ply inside the nose cone - good idea. I had planned to put some lead weight inside with a bolt in the form of discs.

Does anyone have any thoughts on where to put lead weight?

Harry Twist25/06/2018 00:09:57
341 forum posts
248 photos

Hi All,

Steve - yes planning glass cloth 25g/sqm an then paint. Ref the wing joint I have filled in the gap between spars with 3mm sheet for the bays in the centre panel (R2R3) and the wing panel (R3R4) involved in the join, also trimmed the ply to sit under the top skin. Before I finally commit to the wing panel/centre panel join I will make efforts to ensure a good rib to rib joint whilst trying to achieve the required dihedral also. I'm a step off this yet since I still need to apply topskin/ add washout to the wing panels.

Peter, I'm not sure that the ply cruciform actually does that much apart from giving a little comfort! If you get a good fit of F1A into the plastic spinner - it seems to totally "rigidise" the spinner ( is rigidise a word?) so it may not need further support. I just felt that a bit more contact between the former and the spinner would be useful and the cruciform seemed easiest. I have since blocked in the four quadrants with blue foam, it now needs sanding to profile and locating inside the spinner.

Edited By Harry Twist on 25/06/2018 00:11:54

Andy Meade25/06/2018 08:57:42
2724 forum posts
698 photos

Pete: Not sure much - if any - lead is needed in the nose on these. Maybe a quick check with Matt?

Harry: I like the cruciform, I was just going to use a back plate, but I shall be stealing that idea laugh Great progress too yes

Steve: Structurally, I am sure there is no need for extra bandage on the join in wing panels. The best bond possible will have been made with the ply joiner web, binding both top and bottom spars together on both panels across the joint.

Edited By Andy Meade on 25/06/2018 08:58:28

James Thomas 225/06/2018 09:11:11
20 forum posts

What Nationality is the one with blue Spinner? Never seen that fin flash before...

Andy Meade25/06/2018 09:28:18
2724 forum posts
698 photos

34 Sqdn, SE Asia command

It's actually the same physical aircraft as the blue and gold one of Harry's - the King's Cup Racer

Edited By Andy Meade on 25/06/2018 09:29:47

Danny Fenton25/06/2018 09:44:59
9314 forum posts
4125 photos

That picture depicting the spinner fit is a little misleading. Certain mk's, (probably more likely the prop type dictated) had an oil collector ring, to er.... collect oil from the variable pitch prop, that might otherwise drip back on to the windshield.

This Britmodeller site has some good information on the spinners and props used on Hurricanes. Including a nice picture showing the longer nose length of the MkII over the MkI



Harry Twist12/07/2018 23:21:24
341 forum posts
248 photos

A little more progress on the Hurri - the wings are now fully skinned, joined and the required dihedral set. I need to do a little rectification of the joint on the underside but overall I'm reasonably happy with the result so far.

Now onto adding leading edges and preparing the trailing edges for the torque rods and aileron fit. Ive also painted up the pilot and started to block in the cockpit floor area.

Wings skinned, joined and outer leading edges added


Pilot patiently awaiting completion of his cockpit!


David Davis13/07/2018 05:30:36
3527 forum posts
636 photos
Posted by James Thomas 2 on 25/06/2018 09:11:11:

What Nationality is the one with blue Spinner? Never seen that fin flash before...

South East Asia Command. I believe that they removed the red from the standard roundel so that aircraft could not be mistaken for a Japanese aircraft which were marked with a red disc.

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