PeteH

Only very slightly off topic. It there a known figure for the (acceptable) endfloat on the crankshaft of the 4 pot engines?. As an indication of thrust wear?. Pete

Hi, When I moved from Yeovil back to "God`s Country". I was fortunate to still own a 2 tonne rated B-J trailer. What we did was to stuff the various vehicles etc; with household goods, every time we made a journey. On one trip, I had a fully assembled shed, filled with "contents Various". And the patio furniture/Plants too caused a few smiles going up the M1. Even Mr plod backed of for a look!. If you have a tow vehicle I think there are still folk who hire trailers?. I wonder what Clarkson would have made of that?. Pete

I`m not going to say I had thought that through prior, but thinking after I posted I do wonder?. The stands are as close to the Turrets and rear saddle/cross beam as possible to get. But as yet the Engine/Gearbox have to go in, how much if any difference that will make is another imponderable. I`ve already had to "adjust" the Tub width wise to make it line up with door as accurately as possble. Pete

Hmmm?. Food for thought here, the 13/60 is currently supported on axle stands under the main chassis, makes work less back aching!!. The gaps are coming together after months of "adjusting". Now?, do I put it on the wheels to check?, if so, better before I paint it I guess?. Looking at the structure of the outrigger/side rail, even in as new condition, I would be reluctant to jack or support on them, I suppose a (quick?) wheel change might be OK?, but nothing else?. Pete

The age of the shaft would be a factor. Over time it is not inconcieveable that the Nut be fitted by the time honoured method of Spanner and Hammer, especially back in the days of very expensive Torque tools?. "We" had Some very large Nuts on Marine engines as you can imagine. In the early days the got "flogged" up with a sledge hammer, later makers would specify torques, and they where pulled up hydraulicaly to "x" Psi/bar.

My Son, has this Internationally, (M_S Teams?) it`s part of his job too. Last week he was hosting meetings on 3 continents simultaneously, from my Motorhome on the driveway. Not bad for a Mere 55/59mbs connection?. Why was he in the M-H?. His mum is having Chemo; and he was self isolating having just flown from Texas, one more next Tuesday and we get a break. How many TSSC members would/could sign up though is a moot point?. But interesting thought?. Pete

John, In general I concur. Whatever the O-P wanted to achieve, lot more work would be required to make a Benefit worth having. His query was would it be SAFE to remove 40thou without risk. I was merely posing the question as to if the possibilty of taking 40thou off the head would or not compromise the structure of the head. As would appear that back in 1962, Triumph where "happy" to recomend removing 30thou from the 4 Cyl head. In that context measuring the CR`s was not an issue. The "old glass/pipette/burette" "trick" is even older than I am, and well used back when "blueprinting" engines, for Stock car racing or in our case rally work, where actually MODIFYING engines was not allowed, they had to be technically "Stock". Cheers, Pete.

For Information. The Triumph 1200 owner manual, (1962) In the Special Accessories section, "Twin carburator conversion" In recomending raising the compression ratio (8.0:1 to 8.5:1). It states "Machine aproximately 0.030" from Cylinder head joint face". Which would imply that, on the 4 cylinder at least, There is sufficient material to cope with a 30thou. "Skim". Could one Infer from that that on the 6 Cyl a similar amount could be safely removed IF necessary?. Pete

My BMW 100Rs, would, if left unused for a few weeks, Need the Carbs re-balancing.? Very similar to Strombergs. Don`t know if that would have any relevance in this instance. Never had a car with Twin SU`s, usually just one big one?. Took about 15Min using a Mercury gauge. Pete

First Look at this thread, I took the photo of the damaged hub up as far as Photoshop will take it. For my "money" I think there is a defect at the 12 o`clock position, the dark line. The fact that it appears to also be at the base of the thread where the shaft is undercut, might indicate a pre-existing "notch". I have seen these before, and are often the result of the Lathe operator overdoing the undercut operation. The base of the undercut should ideally be a smooth unblemished radius which is intended to reduce the possibilty of stress fracture. As Pete Lewis, also correctly observed Post hardening heat treatment is also critical, "case" hardening is a bitch to get right. Pete

A trick with powder extinguisers is to invert it and give it a shake periodically, loosens the powder up, the motion of the vehicle has a tendency to compact it. 2 or 3 years should be OK if the pressure charge is still in the Green sector. I`ve shot a couple off over the years, one well over 20 year old. And it still worked. Yes, even I was surprised!!.😉 "Found" one of the old CTC filled ones, when we cleaned out FIL`s garage after he passed, dated 1939!!. and still at least part full of Carbon Tet;😁. Now I believe a Banned substance?. (Halogenate? Ozone depleter?) Pete

Just an observation;. I seem to remember that one piece of advice was to release the latch NOT open the bonnet, but inject apropriate extinguishing materials into the gap?. Pete

There was also a Twin Carburator Conversion Kit, SU`s, which required the raising of the C-R from 8 to 8.5 : !. Removal of 30thou from the head. Section Special Acessories Herald 1200 Owner Repair Manual 1962. Pete

I`ve seen reference online to some 70`s Alfa`s having them?. Their main purpose, supposedly, to avoid the coil springs becoming dislodged at full extension. Pete

Not sure. But I find K-Y Jelly works well on (most) Rubber without affecting the performance?. Does that sound right?. Pete

Over 20 year ago, the "condesate" from the Drax (B) Plant up in Yorkshire, was piped to Huge Tanks and circulated around a massive area of glass houses adjacent to the plant, before being taken back and reused. The glasshouses are still there. (English Village Salads). Not sure about the Tankage though. They where also experimenting with Carbon Recovery too, I am told it was actually used (the recovered CO2) by the drinks industry!. I was involved with the bi-annual "shutdown" Statutary H&SE survey of the one of the Drax Boilers, back in 1981, Before I moved to Surrey to work my own district. Then it burned pulverised coal from the nearby mines. When they where shut down, imported East European Coal, now it burns wood pellets from the USA and Canada. It`ll be closed down soon, if the Green lobby get their way. Drax A and Ferrbridge have already gone, Eggborough Is "mothballed" I am advised. RIP. Power security?. Pete

With the alleged pemanancy of the high Temperatures, it will be consumed by the population to replace their lost salts. Ie. put it on your food.👍 The downside is we wont need it for the roads?. BUT our cars will last longer.👍 It`s produced at well below 100C, in a vaccuum, Often 80C or less. Pair of green wellies with every case? . Pete

I just love this conversation, It make me Laugh every time. This is an Island nation, The technology has existed since at least the 1960`s. to produce "potable"water from The Sea Water with which we are surrounded. Using the (alleged) "waste" energy from power generation. In marine practice I was making 20tonne a day, using the heat recovered from the Ship`s main engines. That was "small beer" your Cruise liners make hundreds of tonnes a day. The upscaling is not beyond the wit of man, Just lazyness on the part of Government and Water Companies. Pete

I was the Pressure Vessel Surveyor, for a couple of years in the 90`s. Then the contract changed hands and we lost it. Lived up Lyde Road then. Pete

Hmmmmmmm?. Wonder where that was?. Pete

On the 13/60, where the tub halves join, I used Galvanised Coach Bolts, With big "penny" Washers under the "stiff" nuts. All the other Chassis/tub joins are 7/16 UNF, bolted right through and have short sections of "crush" tube between the Chassis frame. Again with Stiff nuts and penny washers. IF they ever have to come out again, It would be an Angle grinder job, as with when I parted the originals. Pete

Ransome,Hoffman and Pollard?. If memory serves. I have (somewhere) a Bearing Equivalent Book by the Hoffman bearing company. Pete

Not sure?. But I think the pre-load you speak of is to get the inner races in the correct position?. It`s so many years since I did a Diff, but I believe the bearing/roller clearance is then set by the use of shim`s?. Someone, with more recent experience than I, will be along to correct me I would suspect?. Pete

Having used Taper Bearings in many aplications over a lifetime, It was always the case that a small amount of Slack was desirable. The taper headstock bearings on Large Industrial Lathe`s where no different. The only time we used "pre load" was on the 8ft+ bearings of the type seen on Centurian Tanks (for one), and Large Excavators. Uncle Pete`s Method is the correct one for this type of bearing. Nip up, back off to the first split pin hole and you are correct. Small movement at the rim when fitted is necessary to avoid seizure. P.S. If the MOT guy tell you different, refer him to the Timken bearing information source. Pete.

Unless I am thinking of a different style of switch. I think at the bottom of the hole is a small spring loaded ball, the grot gets behind the ball and it won`t move. I suspect you may have to get "heavy handed" to shift it?. Pete