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Hi all, Just got in and catching up with this. Firstly I must apologise. My distance to Sirius was from memory and it is incorrect. I said 8.11 lyrs and have just googled "distance to Sirius" and the first result was 8.611 lyrs. SORRY!. I certainly accept and understand the distance to Sirius...

Hi Ian & SKF, I note you do not agree on the distance to Sirius 76,700 trillion 81,460 trillion Mike

Thanks Ian & SKF, To confirm it is a scale question. The reason for the question is, I am advised for all practical purposes rays of light from the stars (Sirius for example) are parallel when they arrive at Earth irrespective of where we are bearing in mind the diameter 12,742km. I would...

Trying to suss this........... Sirius is 8.11 lt yrs away Earth is 12,742km diameter Keeping everything in proportion 1. What would be the size of the Earth if the distance to Sirius was 970km 2. What would be the distance to Sirius if the Earth was the size of a golf ball (42.67mm) Thanks Mike

I recently became aware that rigid plastic pipes do not allow odours to pass through them, flexible ones do. I had to replace all the black water pipes on my boat due to the smell permeating through them. I am now wondering if this could be the case with my oil central heating boiler as there is...

Need to replace 3 pairs of ceramic tap cartridges. Just wondering if I can remove the ceramic inserts and fit the old style inserts with the standard rubber washers??? I guess once the inserts are removed the tap blocks are identical??? Thanks Mike

Thanks. Would I be correct in thinking the only difference between the low and high pressure valves is the size of the outlet hole?. Low - bigger hole/High - smaller hole. I note Sam Turner of Northallerton sell low and high pressure washers and one is double the price of the other and looks...

Thanks, Low would be fed from a header tank then??? Mike

Overflow dripping on header tank which is fed directly from the mains. Replaced washer and still dripping so decided to fit complete new valve and arm. Looking at the Tool Station booklet I note they are sold LOW PRESSURE and HIGH PRESSURE?. If fed straight from mains is it LOW PRESSURE. Thanks...

Unfortunately my old house has solid concrete floors with no insulation under and the carpet tends to go damp and mouldy wherever anything is standing on it. I do not fancy digging the floors up and doing the job properly and wondered if there was any suitable material to put under the carpet...

I am aware this is not the first post of its kind! Danesmoor 15/19 Room Sealed balanced flue - 15 years old or so. Serial number might indicate age - 970711066. Model HPJ.19ROO Just had kerosine delivered and as has happened previously the boiler started smelling. Had a look on here last night...

I need to source a couple of stainless steel offcuts and wonder if anyone knows where to try? I need a 200mm length of 100 x 100 square hollow section with a 3mm wall (or close to these dimensions). Also a 5 or 6mm plate to weld over or into 1 end. For a boat and to be welded so 316L I...

Sister in law just phoned to say she has broken the handle on the door of her Hoover HNL 6166 washing machine. Her immediate problem is how to get the washing out before it starts to smell? Then she needs to fix it? Any ideas? Thanks Mike

I have a Yamaha as above and wish to service it. In particular I need to replace the impeller. I have undone the 2 M6 retaining bolts underneath the cavitation plate but the bottom part of the leg (gearbox) will only come away from the upper part of the leg by about one inch. I expected it to...

Good news. Had a response from my supplier who advise they contacted their supplier who in turn contacted their supplier in China. The hooks are stainless steel grade 420. Mike

Thanks for replies, I use stainless steel nuts/bolts/screws & fittings regularly/daily grades 304/A2 and 316/A4 and realised the hooks were neither of these immediately. I emailed my supplier who have replied & admit they are unsure whether they are stainless or not although they are clearly...

Thanks. So if these hooks are stainless they are ferritic. Is it likely they would be shiny like chrome? Mike

I have bought some fishing hooks off ebay that are described as "stainless steel" but I suspect they are not. They are bright & shiny like chrome/nickel plate. Additionally they are strongly magnetic. Is anyone aware of a grade of stainless steel that is magnetic & that fishing hooks are made...

Thanks for replies, I have taken my blades to saw doctors many times when I used to pay £40 for a blade. Now new blades are £10 it does not seem to make sence to pay upwards of £10 plus 2 x 30 mile round trips to have an old blade sharpened. Additionally all my blades have broken teeth and...