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Post by Brian on Oct 27, 2013 12:19:00 GMT -5
Chris that is a beautiful BRM, the paint work and detail is awesome. I'm new to this so I will be using a decal for Mr Stewart's helmet band , but will experiment for next time. My Boot lace Ferrules turned up yesterday, so I had a go a fitting them this morning, They are not secured yet, but I have attempted to get the sequence and offset correct. I now need to get some piano wire to start engine and suspension detail. Brian Attachments:
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Post by Brian on Oct 27, 2013 13:47:50 GMT -5
Oh I forgot to ask. Does anyone have any ariel photo's of the original car's engine. The block between the cylinder heads I think may be smaller, I would like to see the detail in the flesh so to speak, before I cut any of it away. Thank you. Brian
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Post by Chris Wright on Oct 27, 2013 14:11:45 GMT -5
Hi Brian, Does this help?
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Post by Brian on Oct 27, 2013 14:38:58 GMT -5
Awesome, thanks Chris. I thought the centre block was shorter. The rail in the center gets me thinking............. is it a water injection rail? I may add this detail. I initially thought that these were carburetor trumpets, but it seems they just air inlets. More research needed. Thanks again. Brian
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Post by Chris Wright on Oct 27, 2013 14:51:58 GMT -5
Hi Brian,
Those are fuel injection inlets, one for each cylinder. If you look at the base of each trumpet there is a hose atached to an inlet. The "water injection rail" is actually the Fuel Rail, petrol is pressurized into that rail, and each of those inlets has an electonic valve in it that releases a metered amount of fuel, as directed by a computer. Air is metered by slide valves in the base of each bank of 4 inlet trumpets. And the red things you can see inside the inlet is a temporary plug that keeps dirt out.
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Post by Brian on Oct 27, 2013 15:03:39 GMT -5
Ah it's a common rail, always under pressure and the valves open in correct sequence via a timing program. I initially wrote that it was fuel rail but changed my mind as I could not see any control equipment for valve operation. We have marine engines which now inject water into the air intake or cylinder to aid cooling and give better atomization, hence greater power. (Low sulphur fuels)
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Post by David Lawson on Oct 27, 2013 16:36:21 GMT -5
Brian
I would be cautious about using that picture to base your Matra engine on. That fuel injection system is from a later version of the Cosworth than the one Matra used in 1968.
If you Google images for Matra MS10 and Cosworth DFV you will find loads of photos of the engine as installed in the car you're building.
Hope this helps.
David
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Post by Chris Wright on Oct 27, 2013 16:51:53 GMT -5
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Post by Chris Wright on Oct 27, 2013 16:51:55 GMT -5
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Post by Brian on Oct 27, 2013 17:40:29 GMT -5
Thanks guys, think I've found what I was looking for. Tried searching the internet for hours, but had never tried on Google Images. Lesson learnt. Appreciate your help. Goodnight. Brian
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Post by Brian on Oct 28, 2013 8:27:00 GMT -5
Here's an update, I'm pleased with my progress so far and I'm really enjoying myself. Added engine frame bars either side and I've cut away some of the resin near the exhaust pipes. Started cleaning up metal body parts, nothing secured yet. Fuse wire turned up so tomorrow I'm going to have a go at the HT Leads. Still to get the piano wire for suspension detail, but I will. Cheers. Brian Attachments:
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Post by Brian on Oct 28, 2013 8:30:00 GMT -5
Few more pic's, Thanks for looking. Brian
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Post by Brian on Nov 3, 2013 15:54:43 GMT -5
Quick update: A little further on and It's took hours. Piano wire turned up. My soldering skills need improvement, but I'm slowly getting there. Brian
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Post by Brian on Nov 4, 2013 8:08:11 GMT -5
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Post by Mark Huber on Nov 5, 2013 10:13:10 GMT -5
Brian, So painting looms eh? You say that like it's a bad thing... No matter what happens, I guarantee that you will not make all (or any!) of the mistakes I made with my first paint session on a vintage MRRC car that I had purchased on Ebay, to wit: 1) Car arrives in mail 2) Mark opens up package decides it needs to be painted 3) Mark drives over to Ben Franklin crafts store and buys a can of Testor's British Racing Greeen enamel spray paint 4) Mark scrapes off decals 5) Mark sprays enamel paint on the MRRC shell. 6) One hour later Mark picks up the car body to examine it more closely It really didn't look too good.. So.. don't do ANY of that. I'm sure you will be just fine!
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