Rob_Mitchell Posted January 23, 2012 Author Share Posted January 23, 2012 Your making some very nice parts Rob, good work!! More bits to come. Want to get a sump brace kit made next. then i might do a aircon removal kit but use a idler pulley system Quote Link to comment Share on other sites More sharing options...
Rob_Mitchell Posted January 23, 2012 Author Share Posted January 23, 2012 Alternator pulleys made, ill pop a pic up later Quote Link to comment Share on other sites More sharing options...
Rob_Mitchell Posted January 24, 2012 Author Share Posted January 24, 2012 First thread updated Quote Link to comment Share on other sites More sharing options...
Scott Posted January 24, 2012 Share Posted January 24, 2012 Stick me down for a set in black Quote Link to comment Share on other sites More sharing options...
Dnk Posted January 24, 2012 Share Posted January 24, 2012 They are billet aluminium. Not weighed them but should imagine they are light Do you know what grade of aluminium alloy they are Rob ? just me being a typically anal engineer and like to know these things Quote Link to comment Share on other sites More sharing options...
Rob_Mitchell Posted January 24, 2012 Author Share Posted January 24, 2012 Do you know what grade of aluminium alloy they are Rob ? just me being a typically anal engineer and like to know these things Ill find out Dunk. Quote Link to comment Share on other sites More sharing options...
Rob_Mitchell Posted January 24, 2012 Author Share Posted January 24, 2012 the grade of ali is 6082, its a machining grade ali. weights are as follows stock alternator pulley = 273g our pulley= 91g stock water pump= 455g our pulley= 182g or 163g (depends on design) Quote Link to comment Share on other sites More sharing options...
Westy Posted January 24, 2012 Share Posted January 24, 2012 Are you doing a matching idler pulley also Rob!? Quote Link to comment Share on other sites More sharing options...
Dnk Posted January 24, 2012 Share Posted January 24, 2012 the grade of ali is 6082, its a machining grade ali. weights are as follows stock alternator pulley = 273g our pulley= 91g stock water pump= 455g our pulley= 182g or 163g (depends on design) Thanks Rob Is that tempered to T4,T6 or T651 Quote Link to comment Share on other sites More sharing options...
Rob_Mitchell Posted January 24, 2012 Author Share Posted January 24, 2012 Are you doing a matching idler pulley also Rob!? I might do later but for now its just the 3 set pulleys Quote Link to comment Share on other sites More sharing options...
Rob_Mitchell Posted January 24, 2012 Author Share Posted January 24, 2012 Thanks Rob Is that tempered to T4,T6 or T651 Stop showing off! i will have to ask again Quote Link to comment Share on other sites More sharing options...
Rob_Mitchell Posted January 24, 2012 Author Share Posted January 24, 2012 Thanks Rob Is that tempered to T4,T6 or T651 material is tempered to T6 Quote Link to comment Share on other sites More sharing options...
mellonman Posted January 24, 2012 Share Posted January 24, 2012 the grade of ali is 6082, its a machining grade ali. weights are as follows stock alternator pulley = 273g our pulley= 91g stock water pump= 455g our pulley= 182g or 163g (depends on design) thats a nice weight saving great work Quote Link to comment Share on other sites More sharing options...
ripped_fear Posted January 24, 2012 Share Posted January 24, 2012 They look stunning! nice addition to your parts Rob. Quote Link to comment Share on other sites More sharing options...
Dnk Posted January 24, 2012 Share Posted January 24, 2012 Stop showing off! i will have to ask again material is tempered to T6 Good to see its nice machining grade and tempered to T6 Rob Quote Link to comment Share on other sites More sharing options...
Rob_Mitchell Posted January 24, 2012 Author Share Posted January 24, 2012 Only the best Dunk cheers Quote Link to comment Share on other sites More sharing options...
Dnk Posted January 24, 2012 Share Posted January 24, 2012 (edited) This is the differance tempering makes, thought i'd get really anal for you Proof Stress 0.2% (MPa) 60.....................................temp 0 170 ..................................temp t4 310...................................temp t6/t651 Tensile Strength (MPa) 130..................................temp 0 260..................................temp t4 340..................................temp t6/t651 Shear Strength (MPa) 85...................................temp 0 170.................................temp t4 210.................................temp t6/t651 Elongation A5 (%) 27..................................temp 0 19..................................temp t4 11..................................temp t6/t651 Hardness Vickers (HV) 35.................................temp 0 75.................................temp t4 100................................temp t6/t651 Edited January 24, 2012 by Dnk (see edit history) Quote Link to comment Share on other sites More sharing options...
SamuraiFlash Posted January 24, 2012 Share Posted January 24, 2012 These will look awesome in anodised purple And Dunk is a proper geek lol! Quote Link to comment Share on other sites More sharing options...
Pudsey Posted January 24, 2012 Share Posted January 24, 2012 Really like the look of these. Look foward to seeing the complete line up. Quote Link to comment Share on other sites More sharing options...
Rob_Mitchell Posted January 24, 2012 Author Share Posted January 24, 2012 These will look awesome in anodised purple And Dunk is a proper geek lol! anodised purple with polished lips Quote Link to comment Share on other sites More sharing options...
Dnk Posted January 24, 2012 Share Posted January 24, 2012 (edited) These will look awesome in anodised purple And Dunk is a proper geek lol! Im an enginnering geek i'll have you know The figures i posted dramatically show the differance of the same grade of aluminium alloy after a bit of tempering so you really do need to know the exact spec of the material your using, Robs is spot on and also very good for anodising Without guys like me you'd still be walking or riding a horse Edited January 24, 2012 by Dnk (see edit history) Quote Link to comment Share on other sites More sharing options...
Rob_Mitchell Posted January 24, 2012 Author Share Posted January 24, 2012 Im an enginnering geek i'll have you know The figures i posted dramatically show the differance of the same grade of aluminium alloy after a bit of tempering so you really do need to know the exact spec of the material your using, Robs is spot on Without guys like me you'd still be walking or riding a horse My guy does things like this all day and his work is faultless and top quality. Nothing but the best for the under bonnet treats. I should have a finished set by next week i hope but im waiting for the power steering shaft to arrive first. Quote Link to comment Share on other sites More sharing options...
Dnk Posted January 24, 2012 Share Posted January 24, 2012 My guy does things like this all day and his work is faultless and top quality. Nothing but the best for the under bonnet treats. I should have a finished set by next week i hope but im waiting for the power steering shaft to arrive first. Glad to here it Rob Quote Link to comment Share on other sites More sharing options...
Bossco Posted January 24, 2012 Share Posted January 24, 2012 (edited) I'll be intrested in a power steering pulley mate. You should have said you were this close to having them finished and I wouldnt have asked you to spend all the time on my stock pulley. Edited January 24, 2012 by Bossco (see edit history) Quote Link to comment Share on other sites More sharing options...
Rob_Mitchell Posted January 24, 2012 Author Share Posted January 24, 2012 I'll be intrested in a power steering pulley mate. You should have said you were this close to having them finished and I would have asked you to spend all the time on my stock pulley. I never realised myself how quickly i would get the sets done mate Quote Link to comment Share on other sites More sharing options...
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