docc Posted February 1, 2017 Posted February 1, 2017 Nice, Neil! (and not a single *knockometer* in sight!) Raw aluminum for the cases and such? 1
knumbnutz Posted February 1, 2017 Author Posted February 1, 2017 The aluminium is hydroblasted, raw but treated in such a way that it resists oxidisation and staining. Nice, Neil! (and not a single *knockometer* in sight!) Raw aluminum for the cases and such?
docc Posted February 1, 2017 Posted February 1, 2017 The aluminium is hydroblasted, raw but treated in such a way that it resists oxidisation and staining. Nice, Neil! (and not a single *knockometer* in sight!) Raw aluminum for the cases and such? That is really interesting. It looks really good! How does the process treat the metal instead of just stripping the finish?
Scud Posted February 1, 2017 Posted February 1, 2017 I'd like to know more about that bare aluminium treatment process too.
knumbnutz Posted February 1, 2017 Author Posted February 1, 2017 Apparently it is like a mechanical version of anodising without the hardening. Its supposed to peen over the pores of the aluminium. Sent from my D6503 using Tapatalk
knumbnutz Posted February 1, 2017 Author Posted February 1, 2017 I should also say that hydroblasting is water, fine glass bead - like you would find on 300gr sandpaper, and another agent (not exactly sure - hopefully not agent 86) Whereas sand or bead blasting is quite abrasive and leaves a porous finish, the hydroblasting is shining and smooth but with the roughish contours of the original sandcasted casing. They also call it vapour blasting, wet blasting. They use a blended fine grade, high quality glass bead. Because glass beads are round and the cleansing action is by flow rather than impact, the finish is much finer than traditional angular media used in dry blasting. The base metal remains totally intact. Media does not impregnate the surface because it is cushioned by the water. Critical tolerances and threads are safe.
docc Posted February 2, 2017 Posted February 2, 2017 That makes perfect sense, that it is not entirely water, but contains some sort of media. The result seen in the pictures is really impressive. 1
gelos Posted February 2, 2017 Posted February 2, 2017 Cam has a little wear but should be fine DSC_0301 by Neil Morgan, on Flickr What cam did you mount in your engine now?
knumbnutz Posted February 2, 2017 Author Posted February 2, 2017 Cam has a little wear but should be fine DSC_0301 by Neil Morgan, on Flickr What cam did you mount in your engine now? Put the old one back in, was fine. The cam is the pic is at a shop as an ornament Sent from my D6503 using Tapatalk
knumbnutz Posted February 15, 2017 Author Posted February 15, 2017 Shiny gearbox, new seals and bearing. Like a matching set
docc Posted February 15, 2017 Posted February 15, 2017 That looks great! I like this hydro-peening thing. Let us know how it holds up to exposure. And just enough hammer in the pictures to pay your Club Dues. 1
knumbnutz Posted February 15, 2017 Author Posted February 15, 2017 Haha, not forgetting I use other instruments as a hammer too, that me not be obvious like the battery drill, butt of my screwdriver and at times my forehead Sent from my D6503 using Tapatalk 1
knumbnutz Posted March 7, 2017 Author Posted March 7, 2017 Update, frame back from the painters, engine and gearbox (put new bearings in the GB) back together. Hopefully get the side brackets and the bottom triple clamp back for the weekend and then the front and back end can all go back on. Sent from my D6503 using Tapatalk 2
knumbnutz Posted March 8, 2017 Author Posted March 8, 2017 DUDE!!!! That's art. Hopefully it will be nice when finished. Nothing much to look at at the moment Sent from my D6503 using Tapatalk
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