Chieftain build by Phil Woollard.

Forum for discussion relating to the Chietain MBT
Phil Woollard
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Re: Chieftain build by Phil Woollard.

Post by Phil Woollard » Tue Mar 17, 2020 3:26 pm

Almost finished the light projector. 8)
Attachments
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I found this lamp in my local hardware store in the camping department.
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Can you get infra red film to go on this glass cover?
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The lamp has its own domed or convex Lens. I found a simple photo holder in the same store which yielded two of these covers.
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The infra red Lenz sits on the main lens quite nicely, it really needs a hinge but it's very fragile being glass.
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What colour is produced by a Xeon lamp?
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Re: Chieftain build by Phil Woollard.

Post by Stephen White » Tue Mar 17, 2020 4:43 pm

Phil,

Great work. The original had a four position rotary switch for the commander, with which you could select Off/Stby/IR and, by lifting the knob out if a detent, White light. On the diagramme from Pam 33, which Kevin posted, figure 2 is the IR lens, in the form of an opening door, actuated by the rod at fig 3. So when the armoured door was opened, from the outside you’d see the IR lens, projecting supposedly invisible IR light and when white was selected, you’d see that door open and white light projected. The beam was a blue/white colour, if you were daft enough to look at it.

We we’re unloading the tanks one night in the Eiffel before training at the Vogelsang training area, when someone noticed a figure disporting herself in a state of undress in an upper window. An over-enthusiastic flash (forgive the pun) of white light spoiled it for everyone. If only they’d stayed with IR.

Vogelsang had an interesting history, worth looking up.

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Re: Chieftain build by Phil Woollard.

Post by Phil Woollard » Wed Mar 18, 2020 12:49 pm

Working on that oh so long barrel. 8) I've ordered some 6 and 8 mm webbing for the sleeve straps but they may take a while to ship from China!
Attachments
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I made tapered thermal sleeve rolls that can be removed for paint
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I suggest you make some of these.
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I'm using brass stock to fabricate the thermal wrap straps, these hold the ends of the wrap in place.
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Although good and strong I shall replace the stainless steel straps for webbing examples, for now these can stay in place bedding the canvas down nicely.
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Re: Chieftain build by Phil Woollard.

Post by Phil Woollard » Thu Mar 19, 2020 7:35 pm

Busy day again. 8)
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IMG_20200319_110246_hdr_kindlephoto-231819016.jpg
What do you guys think of my fume extractor detail ?
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I tidied the straps and I think they look ok.
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The muzzle mirror.
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Detailing the muzzle
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One of the most difficult jobs this
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It's fiddly and awkward to.
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The coaxial machine gun.
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Re: Chieftain build by Phil Woollard.

Post by Steve Ellis » Thu Mar 19, 2020 11:09 pm

Hi Phil
Three questions, where do you get you letters from for the FV No’s and what size are they.
Second where did you get your piano hinges from.
Lastly what are you using to make the strips that go round 5he mantle cover.

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Re: Chieftain build by Phil Woollard.

Post by Phil Woollard » Fri Mar 20, 2020 5:25 am

Hi Steve, the letters are slatters plasticard from ebay, I suggest you get what ever sizes they have available.Piano hinge was ebay again but if you go back through my thread there are some alternatives on a roll, I've had to cut mine down somewhat. The mantlet strips are 1.5 mm ABS sheet cut into strips, you could use brass but the ABS is very strong, flexible, can be moulded using heat, I like using it, that's ebay to!
Message for Martin, I will soon have the prototype engine to fit from Ivano.
Attachments
IMG_20200319_113936_hdr_kindlephoto-233902036.jpg
I've made a start on the nr side turret basket mesh.
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Re: Chieftain build by Phil Woollard.

Post by Phil Woollard » Fri Mar 20, 2020 4:57 pm

Another very busy day but I love it 8)
Attachments
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I don't mind telling you guys this has taken some head scratching to get this right.
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The rain cover needs to be fixed and so not move with the recoil but must have plenty of slack or it will split during elevation and depression, so you have to add a sleeve to hold it in place but this must allow for the recoil action, solvent weld plumbing pipe, 40mm has worked for me.
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I think no rubber on the coax. The main gun rubber needs to be pushed up close or it looks pants.
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No rubber on the coax looks best.
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Sorry just can't help a bit of dressing up.
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Re: Chieftain build by Phil Woollard.

Post by Vince Cutajar » Fri Mar 20, 2020 8:26 pm

The turret is looking great Phil.

Vince

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Re: Chieftain build by Phil Woollard.

Post by Phil Woollard » Fri Mar 20, 2020 9:17 pm

Many thanks Vince I like praise from you it means a lot. The Chieftain needs a lot of extra detail but you sure do bond with it because of that effort, although I will need to let it go at some point! 8)
Attachments
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I need to start thinking of reproducing this little lot , well a compromise anyways.
Last edited by Phil Woollard on Sat Mar 21, 2020 8:27 pm, edited 1 time in total.
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Re: Chieftain build by Phil Woollard.

Post by simon_manning » Fri Mar 20, 2020 10:54 pm

hi phil just checked in to have a look, the light is a brain wave and nicely done, as is the rest, thanks for posting, regards simon.

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Re: Chieftain build by Phil Woollard.

Post by Dave Dibb (Armorpax) » Sat Mar 21, 2020 8:17 am

Hi Phil,

Looking brilliant, when you come to do the turret detail this might be useful, they do 5mm etc as well. I bought some last week for 19 set cables and it looks the part for braided power cable.

https://cpc.farnell.com/unbranded/ffr3/ ... t=sleeving

If we are going to have more time on our hands too I'll see about casting a number of the BV plugs and making a gang mould for you, looks like they will be close enough for the those main connectors and would work with the 3mm braided, I'll try and put a test cable together over the weekend and see what it looks like.

Best regards

Dave
www.armorpax.net

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Re: Chieftain build by Phil Woollard.

Post by Phil Woollard » Sat Mar 21, 2020 10:36 am

Sounds fantastic Dave, I will have them as soon as they are done, I can't remember how many I asked for but 30 to 40 would be good, is the plug and socket as one? Any idea what the batteries look like under the hatch behind the loaders position, would you have those as well? 8)
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Re: Chieftain build by Phil Woollard.

Post by Kevin Hunter » Sat Mar 21, 2020 12:10 pm

Outstanding work Phil, and great to follow.

Curious though, you say "The rain cover needs to be fixed and so not move with the recoil....." but what are you fixing it to? It cant be clamped to the barrel obviously. Inboard end of the rubber bellows?

Keep it up, especially now that so many of us are sat at home glued to the forum to avoid going stir crazy!
Thanks
Kevin

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Re: Chieftain build by Phil Woollard.

Post by Phil Woollard » Sat Mar 21, 2020 1:20 pm

Good point Kevin. I shall explain, the rain cover has a brass band clamp that is tightened around a section of pipe which butts up to the barrel swivel , this floating section of pipe allows the barrel to pass through it without binding but is supported by the barrel and the rain cover and clamp. It can't move forward as the rain cover and clamp restrain it, with the rubber bellows also clamped to it and pushing in the other direction. It can't move backwards as the barrel swivel restrains it, it can't move from side to side or up and down as the barrel passes through it.
It took some head scratching, 40mm solvent weld waste pipe needed only to be cut to length as the internal and external diameters were near perfect! 8)
Attachments
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You can just see a slither of the white solvent weld pipe sleeve between the two brass collar clamps.
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So the pipe sleeve slides in through that brass clamp here, the barrel simply slips into that allowing the recoil to function.
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Re: Chieftain build by Phil Woollard.

Post by Kevin Hunter » Sat Mar 21, 2020 1:50 pm

You mentioned the 40mm pipe before but it wasn’t quite clear (to me at least) quite how. Got it now Phil, thanks for the clarification.
Cheers
Kevin

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