Long time ago I had a clutch slave cylinder fail on my 1800 Marina. While I was kangarooing home without a clutch I broke a piston ring, which scored the bore and ring land and put quite a lot of dents on the piston crown (which fortunately was partly protected by deposits from leaded petrol) Architects like Stephen prefer curved arches to flat ones but many self-builders choose the latter for reasons of economy. They are also considered just as traditional as curved arches in some parts of the country. If you are building a flat window head with a soldier course, however, you should again be wary. There will be heritage building professionals carrying out this work but numbers and levels of skills are unclear. Legislative issues: Health and Safety is an unavoidable but significant cost. Conservation work generally falls within the construction industry and therefore carries responsibilities under current health and safety legislation; these are outlined principally under the CDM (Construction Design Management) Regulations.

After placing, lime mortars need to be properly cared for; during the winter, they need to be protected from too much rain, especially during any spells of frost which can damage the mortar or cause it to fail completely. At all other times mortars should be prevented from rapid drying, either by wind or sun as this will desiccate (dry out) the mortar and prevent proper hydration or carbonation of the lime binder used, often resulting in a failure whereby the mortar becomes very weak and friable. Therefore, appropriate protection is a must. In all instances it may be beneficial to protect the hessian with polythene; during the winter to keep it dry so improving its thermal protection, and during the summer it will help to keep it damp for longer, increasing humidity where it’s needed. Finishing Before getting started, remember that the appropriate PPE measures should always be used when working with lime. While the joints to the masonry need to be appropriately prepared it doesn’t necessarily demand the same thoroughness as that for pointing. Nonetheless the works should be conducted in a diligent manner with the joints cleaned out to a depth not less than 10 mm but ideally 10-15mm for improved key. Aftermarket heads are allegedly 100US. Normally this would be unbelievable, but there was a Charade clone big in China, so maybe just possible. Unfortunately the engine number is on the head, probably precluding a swap in Taiwan.Dilute the solution first. This has various benefits including reducing the risk of damage, making the product go further, and making it safer to handle. (Use the concentrated solution once you’ve tested various levels of dilution.) Cut and rubbed work largely from the 15th Century – late Mediaeval Period – gauged work largely from the second half of the 17th Century Re the scored cylinder {which I dont think is quite accurate. "pitted" would be closer) I'm probably not going to do anything. Superior heat resistance of JB Weld over Bondite is thus uncomfirmed ATPIT, (would require higher temperatures) but Bondite is a “fast” epoxy (4 mins) so gives insufficient working time and is probably weaker. This seems to be the norm for readily available epoxies.

Can't believe there isn't a local machine shop that couldn't fit a helicoil for you, it really is the proper way to do it tbh.......Small business issues: Firms cannot access sufficient financial support to fund the training of apprentices and up-skilling mature artisans. JB Weld test pieces used previously (and therefore high temp cured) were compared with Bondite epoxy, It is important to select a lime that will yield a mortar strength weaker than the host masonry and our suggested mix would be at 2:5 lime to sand.