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Feb 22, 2021 15:30:17 GMT
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These are the Aluminium frame sections that will need to be rewelded. It is also going to have the original three gears on the chain wheel and 5 or 6 gears on the rear wheel. The frame will be slotted and bolted to end of the 2" box section.
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Last Edit: Feb 22, 2021 15:36:58 GMT by flyingphil
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Feb 22, 2021 15:16:24 GMT
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Next I decided to actually do some welding with a couple of lengths of 2" square box section. I fabricated the rear frame in a T shape. I even managed to get a semi respectable bead in places!
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Last Edit: Feb 22, 2021 15:18:43 GMT by flyingphil
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Feb 22, 2021 14:58:18 GMT
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There has been a long silence on this.....We had a problem! I thought the blue bike had cut up quickly with no angle grinding sparks.....duhhh it's an aluminium frame. In the past I've tried......... and failed to weld aluminium. After a bit of thought I planned to insert and rivet some steel end tubes into the ali bits. Pause for Christmas, Covid lockdown 2, general apathy. Start cutting again to get a drive chain gear for the rear wheel using the little blue bike frame, it is steel as well! Then I found it has a different chain pitch. Not a problem I could use the drive gear from the alloy bike frame.....but it is the wrong size and will not fit. However I can use the whole bottom of the blue frame - except I had cut off the rear part! Still that is the plan and I will get that re welded by a local firm.
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Last Edit: Feb 22, 2021 17:59:59 GMT by flyingphil
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Feb 22, 2021 14:43:23 GMT
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Good to see that you are keeping your hand in George!
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Feb 15, 2021 21:29:49 GMT
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Well Done!.....To All concerned....
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Last Edit: Feb 15, 2021 21:30:25 GMT by flyingphil
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Good to see your 164 is back in action again. My old Sprint 6C car is still at Luden Automotive - still awaiting some love!
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Great work and glad that you are enjoying the drive!
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Jan 30, 2021 18:39:47 GMT
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I've dipped into the Acorn thread but enjoy the "Tally Ho" thread as well.
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Jan 28, 2021 17:13:14 GMT
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I do like pictures of mucky bits! Good work with the distributor....Brrrmmmm Brrrmmmmm soon!
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Jan 25, 2021 15:14:40 GMT
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Good Progress!
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Jan 24, 2021 12:34:55 GMT
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It is very similar to the "All day Great Central Breakfast" but that also has a slice of black pudding and a slice of fried bread......from fond memory!
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Glad you are back Robert .... the move, any move! is always traumatic. Engine start and running vid soon?
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Jan 23, 2021 10:07:24 GMT
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Well Hairdoo was quite right...it was built from so many different sources. The exhaust bends came from a Renault R4 or 5 manifold down pipe....they couldn't understand why they suddenly sold 6!
But to get back to The original post and why Alfa Romeos have such a reputation. My 2600 engine - as Standard, had alloy heads block and sump. A seven bearing crank was deep in the block with alloy main bearing caps. The cast sump was finned for cooling, with a wide flat base for capacity and ground clearance. It had hinged flaps inside to control oil surge away from the pick up. The twin overhead cams had vernier sprockets and was driven by a double row roller chain with a hydraulic tensioner. Hemi heads and domed pistons with valve head flats. The Alfa valves were about the same head size as Jaguar 3.8 engines but were sodium cooled ( I was told as they had thick stems). Small different thickness valve shim buckets sat on the tops of the valves to give the required clearance for the cam follower buckets and camshaft. I think there were double valve springs. The cast alloy inlet manifold was originally siamesed between pairs to run with triple Solex PHH carbs, that had vacuum operated secondaries. I de-siamesed it and ran triple 40DCOE Webers. The connecting rods were "chunky" with smoothed edges and big rod bolts. We fitted non standard "D" type pistons, with cut down skirts, as a set of 6 was cheaper than a replacement for the one damaged piston originally in the engine! We lightened the flywheel and removed the ring gear (- to fit in the ex pipeline clutch bell housing and push starting was allowed - hence the Santa Pod "fire up lane"). The spring clutch had "Long style" levers which locked up more with high rpm. The distributor had twin points for better high rpm performance. It was the engine used in the Alfa Romeo 2600 Sprint sports car in the late 50 and early 60's....The engines lasted longer than the cars! Sorry Ian for the slight thread diversion....
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Last Edit: Jan 23, 2021 19:08:51 GMT by flyingphil
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Engine is pretty sweet too! That certainly is an impressive .... and deceptive Frogeye!
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Jan 15, 2021 12:09:29 GMT
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Just before the latest "lockdown" we were able to get a part of the new floor fitted inside and cut out a bit more rusty steel from the end door using a plasma cutter.
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Jan 15, 2021 12:01:07 GMT
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Hi Ian Sorry no money to send but I did race with a later Alfa 2600 straight six on triple Webers, race cams and open pipes, revving to 7K it sounded fabulous, like ripping calico...
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Hi George Apart from the above, how is the Railway work going?
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Nov 21, 2020 10:19:45 GMT
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.....and a Happy Birthday from me!
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Nov 15, 2020 20:02:39 GMT
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Fantastic work....Thanks so much for sharing.
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