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thanks to all, its now sorted, using a t10 torx tapped lightly into the head bolts, and off it came. Fitted new bolts, and guess what, I borrowed a cheap 3/32nd allen key from a friend, it fitted the original bolts perfect, the brand new bondhus one, well thats now in the bin, it was obv over...

Hi all the engine experts! can you please take a look at my thread on "tools", I'm having issues with head bolts on a laser 150 4 stroke, and really struggling! many thanks

meant to ask, so we have imperial and metric allen keys, is there another unit that might work, they are 4 ba bolts, with 3/32nd recesses for allen keys many thanks

thanks for suggestions, I looked at the thinymybob, great idea, my engineering skills, well maybe a long way behind you guys! The situation has now got worst! I tried using a stone to get a 3/32nd allen key to fit, after 45 mins still not getting anywhere, so far, I have not damaged the head...

Good idea!

Hi all I have a single cylinder laser 150 engine in an rc plane. The inlet valve spring is broken, I need to get the head off. The manufacturer told me they are 4ba bolts, requiring a 3/32 hex driver. I don't want to damage the bolts as 4 of the 6 are recessed in the head. A 3/32 alken key won't...

many thanks Nick, your explanation really hit the mark, very much appreciated Paul:thumbup:

After what feels like hours, I got the saddle to an acceptable fit, given its a used machine, and not exactly on the high end of quality! its real good, but, it does a job for me:thumbup: So, during the build up process the biggest surprise was the cross slide, it had endplay, and after...

Nick, yes they have locking nuts, well 3 of the 4 have, the fourth is also shorter, A friend with the same lathe has confirmed his is the same, otherwise it fouls the apron, not a great design is it! Hey Norm, after reading way too much, I found this, it sort of made sense, it proved to be a...

Hi all, for the first time in 3 years its time to give my Chester conquest some love. I had noticed some play developing somewhere, but wasn't sure where, after the strip down, its the saddle. I have read various ways to get the adjustment, and I want this a good as I can get, my thinking is I'm...

Hi all many thanks for all the replies. Here is where I am at. Sharpening my own tools, well I was thinking if the cutting angle wasn't perfect I had ruined the tool. I have found some hss tools, and had a go, and was pleasantly surprised that the finish was better. On close inspection (these...

makes sense norm, especially the bit about not having the hp! Its a chester conquest, I got second hand a couple of years ago, but as time has passed, my expectations have increased, probably due to friends asking for that "little job" and its always that job that you want to do very well I'm...

Hi Norm, thanks for reply. My concern would be actually sharpening the tool by hand, and losing any specific cutting angle. I realise we are in the machining world, but having to sharpen a new tool, is that common practise, have I naively expected too much. As I cut, I take only a very light...

Very basic question here, when I'm turning on the lathe, doesn't matter what material, brass, aluminium, the finish is very, well best described as scratchy. I have just use a new index, doesn't matter what speed, by hand or using the auto feed (which is marginally better) the finish is poor...

beautiful, I can only drool over that sort of work, must have cost a fortune to have all that brass:) the 3x3 square was just am example, nothing specific at this stage, thanks for all the links and info, the edge finder looks interesting,, I'm going to see if I can find some videos in action!

Ideally 1.25 to 1.5mm slots, 4 to 5mm deep. Tonight tried the slitting saws I have for the first time on some scrap, I realised now why they where cheap! Anyway, it was much easier than I had thought, as stated neat and straight. I am using the fine feed for the distance between the slots...

as easy as that Nick, now I feel stupid! Guys, don't now what indicator or edge finders are, I'm a novice here! Please elaborate Thanks

is tap magic an American thing, doesn't seem to appear on any GB websites after a google search? thanks

many thanks! I have slitting saws, been in the packet for two years, like a scary monster at the back of the tool drawer:o Ill have a practise, lots off practice first, on review, looks like I was way too slow with the speed, and wasn't using wd40 thinking the swarf would clog up the cutter. I...

Hi all, I have been asked to cut cooling slots in a small cylinder head from a rc plane engine. The slots will create the fins to aid cooling. I am using 1.5mm cutters on my siege xl mill, and they are 4mm in depth. I'm a bit of a novice, so we agreed for me to practise on scrap alloy...