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NA Harvard Mk 1 (1/48th scale)

Monogram MDC RATG 20 SFTS

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#1 mozart

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Posted 16 September 2017 - 12:09 PM

In the absence of a 1/32nd scale Harvard I I decided to convert Monogram's 1/48th offering using MDC's resin bits and pieces:

 

g3m7Wa.jpg

 

rDaLKK.jpg
 
ZItLp1.jpg
 
I'm going to finish it as one that Dad flew in 1943 in S Rhodesia, in fact I thought it could have been him leaning against the forward edge of P5976 but an enquiry to the IWM told me that this picture was taken in 1941, before he went out there.

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#2 mozart

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Posted 16 September 2017 - 12:26 PM

The main difference between the Mk I and subsequent Mks is the fuselage construction which was steel tube covered by fabric, replaced subsequently by a light alloy covering in the Mk IIs onwards.  The Mk Is had a vicious tendency to spin/stall, in fact the first one to sent to the UK (N7000) for evaluation in 1938 did exactly that, killing both occupants:

 

OYMUcp.jpg

 

Other differences include rounded wing tips, a straight wing trailing edge from tip to tip and a larger curved rudder.  The plan drawings in AirBritain's Harvard file don't show the correct wing trailing edge shape:

 

OuuzFA.jpg

 

but to achieve it on this model requires quite a bit of surgery!

 

This picture shows the straight trailing edges very clearly:

 

Ym4ujg.jpg


Edited by mozart, 16 September 2017 - 02:13 PM.

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#3 mozart

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Posted 16 September 2017 - 02:35 PM

So, wingtips removed and replacement MDC ones glued on.  The MDC instructions say "align the new tip with the leading edge of the wing. The tip will be approximately 1mm short at the trailing edge: this is correct.  The outer wing panel trailing edge needs to be filed back in a straight line from the raised ridge just outboard of the wheel wells to the new tip."  I don't understand this; to my mind it exaggerates what is already wrong in the Mk II wing in trying to represent a Mk I, not to mention shaving off quite a bit of the aileron:

 

zqwp3k.jpg

 

WcrpQN.jpg
 
a91Rpj.jpg
 
My solution was to cut out a narrow triangular fillet from the leading edge to the aft on the outer wing section, to cut the new wing tip in two and insert a piece of plastic card to fill the gap.  The starboard side complete below (except for the plastic card insert) showing the difference with the port:
 
DIQu3Q.jpg
 
Note the difference in angle of both trailing and leading edges.  I understand it was this acute angle on the leading edge of the Mk I that caused the spin problems, slats were fitted on some.

Edited by mozart, 16 September 2017 - 02:45 PM.

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#4 mozart

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Posted 17 September 2017 - 09:23 AM

The cockpit assembly was straightforward though it was a very tight fit in the resin fuselage and took a lot of fiddling and fettling:

 

Ea2Zpr.jpg

 

I know the IPs are wrong for the Mk I Harvard but since they can hardly be seen, especially the front one which is the most wrong, I wasn't too bothered!

 

oSM9iM.jpg
 
tMWEiv.jpg

Edited by mozart, 17 September 2017 - 09:25 AM.

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#5 brahman104

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Posted 17 September 2017 - 10:07 AM

Nice! I like your creative surgery :) Should look great all said and done.

 

Craig


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#6 Gerhard

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Posted 17 September 2017 - 10:34 AM

Make it into this. I dare you!!

 

SAAF%252520Harvard.jpg


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#7 mozart

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Posted 17 September 2017 - 10:55 AM

That's a Mk II or even later Gerhard......and I'd dare to suggest that my finish is going to be just as tricky! :)

Max


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#8 mozart

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Posted 17 September 2017 - 11:06 AM

Time for more creative surgery Craig :)  When the fuselage was joined up it was too narrow for the space between the wings!  And this was meant to be a "5 minute" fun build!!

 

gUw216.jpg

 

FU4ZFq.jpg
 
The answer was to cut the whole wing assembly into two halves through the centre section and take out a strip of plastic, re-join and fit the fuselage:
 
DpDFVw.jpg
 
AjL31T.jpg
 
so I ended up with this! It's certainly fun....:)

Edited by mozart, 17 September 2017 - 11:07 AM.

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#9 Daniel460

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Posted 17 September 2017 - 06:52 PM

Great start Max, I always enjoy your builds! You back your builds with historical facts and documentation.  :thumbsup:

 

Dan


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#10 mozart

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Posted 22 September 2017 - 02:37 PM

Great start Max, I always enjoy your builds! You back your builds with historical facts and documentation.  :thumbsup:

 

Dan

 

Thanks Dan.  The models that I make are solely related to areas of my main aviation interest which is research, specifically Bomber Command in the latter stages of the war so in every case the documentation pre-dates the models. :)  It makes the models more meaningful to me, even dare I say, perhaps whisper, the Bf110G4!


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#11 mozart

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Posted 22 September 2017 - 03:04 PM

Moving on, I wasn't very happy with the definition of the panel on the nose behind the engine cowl, shown clearly here:

 

OYMUcp.jpg

 

so I cut a template from masking tape then used thin lead foil to make the panels:

 

d8885j.jpg

 

qXHEsT.jpg
 
7gnYr2.jpg
 
then add the empennage and prime:
 
fHWAb7.jpg
 
l6n2e6.jpg
 
A1qjmq.jpg
 
8Hn2Qs.jpg

Edited by mozart, 22 September 2017 - 03:07 PM.

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#12 Gazzas

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Posted 22 September 2017 - 09:28 PM

Great result on some serious surgery.

Gaz
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#13 Daniel460

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Posted 23 September 2017 - 01:40 AM

Very nice work correcting that nose fairing!

 

Your about to put the color on the old girl..... :thumbsup:

 

I just got a week voluntary lay off.....i'm going to work on my BF-110G conversion...... :whistle: 

 

Dan


Edited by Daniel460, 23 September 2017 - 02:15 AM.

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#14 LSP_Kevin

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Posted 23 September 2017 - 01:55 AM

Lovey work, Max!

 

Kev


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#15 mozart

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Posted 23 September 2017 - 06:25 AM

Great result on some serious surgery.
Gaz


Thanks Gaz, I love chopping planes up and putting them back together again, hopefully in the right place! The kit wings started off as 3 pieces, in my modified wings there are 12!

Very nice work correcting that nose fairing!
 
Your about to put the color on the old girl..... :thumbsup:
 
I just got a week voluntary lay off.....i'm going to work on my BF-110G conversion...... :whistle: 
 
Dan


Thanks Dan, good luck with your, um.....project!

Lovey work, Max!
 
Kev


Cheers Kev, I love Harvards, it's so sad that there's no a single surviving Mk I anywhere in the world.
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