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Author Topic: Fowler 4F to Maunsell Q  (Read 323 times)

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Online Bob G

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Fowler 4F to Maunsell Q
« on: February 07, 2018, 05:13:45 pm »
I've just acquired a rather lovely Fowler 4F 0-6-0 because i felt it had more than a passing resemblance to a Maunsell Q class 0-6-0.

I've got the new model 372-060 in late BR livery with the Fowler tender.

I remember the old Graham Hughes kit for this, and have seen it go for silly money on thee Bay, but has anyone attempted a mod like this?

I think, for example that they might have had the same tenders as the Farish N class, but what else should i hack?

I've attached a couple of photos below showing their similarity. Or is it sacrilege to cut and shut a modern loco design?

Bob



Q class



4F

Offline BR Signalman

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Re: Fowler 4F to Maunsell Q
« Reply #1 on: February 07, 2018, 07:28:35 pm »
Not sacrilege at all! I have just cut the cabs off one of the latest Farish Deltics to provide some for DP2, much better than the resin ones. Go for it, be very interested to see how it turns out.

Offline Dorsetmike

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Re: Fowler 4F to Maunsell Q
« Reply #2 on: February 07, 2018, 08:35:54 pm »
I did one some years ago the awkward bit was reshaping the bottom of the firebox, the Q tapers quite a bit from about level with the centre line of the boiler. I do have a Hughes kit in the to do box.

Quite aq few pics on the SEMG site
http://www.semgonline.com/steam/qclass_01.html

Firebox shows well on 30547 picv near bottom of second page.
Cheers MIKE


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Offline bridgiesimon

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Re: Fowler 4F to Maunsell Q
« Reply #3 on: February 07, 2018, 08:58:00 pm »
very interesting thread, I will watch with interest as i have also considered such a conversion. I remember in 'OO' sclae, there was a conversion kit for the Airfix 4F to do a Q years ago by a company called Crownline - sorely missed manufacturer

Best wishes
Simon

Offline Shiney Sheff

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Re: Fowler 4F to Maunsell Q
« Reply #4 on: February 07, 2018, 09:30:48 pm »
Not sure if I'm barking up the wrong tree here, but, didn't Union Mills do the Q class??

Offline Dorsetmike

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Re: Fowler 4F to Maunsell Q
« Reply #5 on: February 07, 2018, 09:53:57 pm »
Not sure if I'm barking up the wrong tree here, but, didn't Union Mills do the Q class??
No, they do the ex LSWR 700 and 0395 classes, Midland 2F & 3F
Cheers MIKE


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Online Bob G

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Re: Fowler 4F to Maunsell Q
« Reply #6 on: February 07, 2018, 10:47:19 pm »
I did one some years ago the awkward bit was reshaping the bottom of the firebox, the Q tapers quite a bit from about level with the centre line of the boiler. I do have a Hughes kit in the to do box.

Surely they are almost modern image for you, Mike?
Bob

Offline Dorsetmike

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Re: Fowler 4F to Maunsell Q
« Reply #7 on: February 08, 2018, 10:40:02 am »
Surely they are almost modern image for you, Mike?
Bob
Right at the edge so to speak, 1933-38, so I sould just manage 530 - 540 built betwen Jan and Dec 1938 541 - 549 came out  Jan - Sep '39. Looking at the shed allocations on SEMG the first to be allocated away from Eastleigh were 537,8,9 in 1939 so I'd probably have to run one of the earlier ones an a "running in turn".

The "running in turn" excuse is quite handy actually, as just about anything just out of works either new or after overhaul would do a number of local (ish) runs to check for problems before returning to their home shed or re-allocated elsewhere.
Cheers MIKE


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Online Bob G

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Re: Fowler 4F to Maunsell Q
« Reply #8 on: February 10, 2018, 01:23:42 pm »
Well I have done some research, and the Midland 4F has arrived. Side by side, the dimensions are a very good match indeed. And it is lovely to watch the connecting rods through the gap beneath the boiler and through the spokes of the wheels.



Firstly i did what all naughty boys do and took it apart (all in the interest of science and engineering of course). I've also put an N class tender body for comparison with the Fowler.



Now i could see what modifications were possible and what were not.

Front buffer beam. The stepped look (see my original photo of the real 4F to see the step in the buffer beam) could be fixed, but I'm tempted just to paint the step out and fit new thin side frame parts to mask the stepped rise in the running plate in front of the smokebox.

Chimney. The 4F chimney is just fractionally smaller in diameter than the Standard 4 chimney fitted to six of the class in BR days, so it stays and that limits my choice of number.

Chassis side frames. There is not room behind the splashers to add the stepped look of the side frames, because the wheels need the space for clearance, so this wont be done.

Plumbing. There is ample space for the plumbing bits on the outside to be moved around and added, so it can be made to look more like a Maunsell Q.

Firebox. The hollowed look of the Maunsell Q firebox also won't be possible - the space is taken up by the gearbox, but there is lovely light under the boiler, so i will try to disguise the firebox shape with some additional boxes and plumbing on the outside.

Cab. This is the hardest bit of the modification. I really need an N body and do a cut and shut with bits of the cab, but even that cab will need surgery to add the side cab windows, and the front cab windows on the N are not right either. The Fowler cab just doesn't look right at all.

Tender. The Fowler tender has been used in other kits in OO scale as the basis for modifications. Its not too dissimilar in fact, but the N class would be a better swap. The tender chassis are similar - only the pattern of the leaf springs are obviously different - so the mods here could be (1) the Fowler tender modified a little, (2) an N tender body swap only, or ideally (3) an N body and tender chassis swap. The pickups and mounting for the N tender chassis are similar to the 4F, and the N tender chassis gives the best shaped buffer beam too.

Which running number? Bullied modified all the Maunsells with Lemaitre blast pipe and a short fat chimney. BR then modified 30549 with a Standard 4 blast pipe and stove pipe chimney, and then another six were modified with a Standard 4 blast pipe and Chimney. The Fowler chimney looks a close match to the Standard 4 chimney, so it is one of those six to be modelled.
However, some were used as snowplough engines in the winter of 1962, and i didnt want to model those, and the preserved Q 30541 on the Bluebell only got its Standard 4 blast pipe and chimney in preservation, so it wasnt going to be that one either. I settled on 30530 or 30536 as these were based in the south west of the region (Bournemouth and Eastleigh) in the early 1960s before moving to Nine Elms and Three Bridges just before they were withdrawn.




So there you have it. A nice little project with slightly less to do than i had originally thought. So it might be done in a few years at current modelling progress rates!

If anyone has a spare N class body and tender, I'll be happy to relieve you of it, for a small sum, and if anyone has a better idea for the cab, please share that idea.

HTH
Bob

 

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