Talk:Reynolds 531
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Published reference
[edit]The composition of Reynolds 531 alloy steel is 0.29% C, 0.35% Si, 1.45% Mn, 0.23% Mo, balance (~97.6%) Fe, according to author Douglas Hayduk, Bicycle Metallurgy for the Cyclist, Johnson Publishing Co., 1987, ISBN 0-9618977-0-8, p 48. An equivalent registered alloy in the USA does not exist, but AISI 1330H is close. Columbus SL and SP tubing, a longtime competitor of Reynolds from Italy, is comparable to AISI 4130 steel. AISI 4130 is also strengthened by Cr--which Reynolds 531 does not contain above trace amounts--in addition to C, Si, Mn & Mo. --His Manliness (talk) 06:39, 8 January 2011 (UTC)
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[edit]Quick note re notability: This brand is a legend - rightly or wrongly - certainly in UK cycle touring circles; a very relevant article, however brief. —Preceding unsigned comment added by 132.185.240.120 (talk) 08:57, 23 April 2011 (UTC)
An charming gentleman editing
[edit]An user without an account made an interesting edit that I felt the need to revert. I'd hate to see it disappear entirely, so I'm copy and pasting it here:
Reynolds also made a development which was named "Reynolds 531 Double Butted Tubing". An example was displayed at the Science Museum in South Kensington, London. The tubing was made in such a way that the outside dimension was constant and the internal dimension was of thinner section for the centre part of a tube; the ends which fitted into the lugs was of a thicker section. This technology was used for all the tubing within the construction of the frame including the front forks. This resulted in much reduced weight in the final completed frame. I had a 24 inch frame made for me by a small one man business in South Ealing, West London, called F.H.Scott, (Freddy). He made it to my specific size, measured on a simple jig made from Dexion and I can remember having to sit on a saddle while he moved the jig to fit me. I still have the frame and the wheels which are also a talking point in that they are Dunlop Stainless Steel, the spokes are also "Double Butted" in that they are of a thinner section for the centre part and thicker at the ends. This was made in about 1955 and now, as I am just turning 75, I have given the complete bike to one of my Grandsons who assure me that it is the best bike he has ever seen and also having shown it to cycle specialists are amazed at the craftsmanship in it and the light weight it is. This addition has been written by Brian Weaver.