zero Posted July 10, 2013 Share Posted July 10, 2013 I'm working on a project with webers, and need velocity stack dimensions. I only have weber 45's on hand, and was hoping someone could take a couple quick measurements for me. For the slide in type velocity stacks, I need the inner and outer diameter of the part of the stack that slides in, as well as the depth of the same. On the 45's the ID is slightly greater than 45. This is a fairly critical measurement, so calipers would be the best way to measure it. Thanks! Quote Link to comment Share on other sites More sharing options...
zero Posted August 4, 2013 Author Share Posted August 4, 2013 (edited) In case anyone was curious what I was up to... Edited August 4, 2013 by zero Quote Link to comment Share on other sites More sharing options...
T-Bone028 Posted August 4, 2013 Share Posted August 4, 2013 Pretty cool...is that a slip in style or bolt-in? Quote Link to comment Share on other sites More sharing options...
zero Posted August 4, 2013 Author Share Posted August 4, 2013 (edited) Slip in, I can make bolt in ones as well though. The ones in the pic are 45's, I've started making 40's as well, like the first two in this pic Edited August 5, 2013 by zero Quote Link to comment Share on other sites More sharing options...
310z Posted August 5, 2013 Share Posted August 5, 2013 Those look real nice. Any idea what you are going to charge if you offer them to the public? Mine are covered by my carbon fiber air box but I know people that may be interested. Quote Link to comment Share on other sites More sharing options...
zero Posted August 5, 2013 Author Share Posted August 5, 2013 I will definitely be offering them to the public. I haven't quite decided on a price, but because of the method I'm using for moldmaking, I'll be able to do any design you want, different lengths, taper, ovalised, curved etc. currently trying to nail down my costs for custom molds. Quote Link to comment Share on other sites More sharing options...
Leon Posted August 5, 2013 Share Posted August 5, 2013 Very cool! I'm assuming that you can't radius them so much as to create an undercut in the mold? I don't have much CF experience... Quote Link to comment Share on other sites More sharing options...
zero Posted August 5, 2013 Author Share Posted August 5, 2013 I likely can because I'm using multi-piece molds (the ones above are 5 part for example) . If you sketch what exactly you want I'll let you know. Quote Link to comment Share on other sites More sharing options...
Leon Posted August 6, 2013 Share Posted August 6, 2013 I was thinking something like this: But after doing some research, the elliptical profile came away as the better one: Blair and Cahoon's write up on bellmouth design is a great read, if you're interested!Source: http://www.profblairandassociates.com/pdfs/RET_Bellmouth_Sept.pdf Quote Link to comment Share on other sites More sharing options...
Leon Posted August 6, 2013 Share Posted August 6, 2013 I'll throw another graphic into the mix. I believe this one comes from David Vizard's flowbench. Quote Link to comment Share on other sites More sharing options...
zero Posted August 7, 2013 Author Share Posted August 7, 2013 (edited) Oh I get what you mean. Yeah that first one would be tricky. It could be done, but only with a consumable mold, which would increase the production cost pretty rapidly. Elliptical wouldn't be hard at all. Thanks for the info, definitely useful stuff. To start out I just copied an existing standard Weber stack, but I will be looking into other geometries. Edited August 7, 2013 by zero Quote Link to comment Share on other sites More sharing options...
Leon Posted August 7, 2013 Share Posted August 7, 2013 Sure thing! Cool project. Quote Link to comment Share on other sites More sharing options...
zero Posted August 20, 2013 Author Share Posted August 20, 2013 Now up for sale! http://forums.hybridz.org/topic/114496-carbon-fiber-webermikuni-velocity-stacks/ Quote Link to comment Share on other sites More sharing options...
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