Any Physicians Using Macs?
in [UK Mac]
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From: Mark Conrad on 5 Jul 2010 16:21 In article <1jl5u1s.hxt262z6rdb4N%real-address-in-sig(a)flur.bltigibbet.invalid>, Rowland McDonnell <real-address-in-sig(a)flur.bltigibbet.invalid> wrote: > <shrug> It's just a job of engineering - you get neutrons out pretty > much whatever route you're going to use to exploit fusion energy. Yeah, that and the fact that neutrons tear the hell out of the containing vessel, and you go broke rebuilding it. I am willing to be educated as to why you think helium-3 is such a poor fuel. I would imagine that all the fuels have their drawbacks. The only thing I can think of doing with the neutrons is absorb them and utilize the waste heat somehow. We sure as heck can not deflect them. But the neutron absorption beds themselves could be too big and expansive to be practical Oh, BTW here I am somewhat of a maverick, while others here were celebrating their freedom from the oppressive British bastards, I was busy giving personal thanks for those brave Brits who held the door shut for us during WW-2, so we would have time to tool up and kick Nazi asses. The RAF deserves special thanks, those boys went up again and again, knowing the odds were against their survival. Mark-
From: Richard Kettlewell on 6 Jul 2010 05:22 Mark Conrad <aeiou(a)mostly.invalid> writes: > Rowland McDonnell <real-address-in-sig(a)flur.bltigibbet.invalid> wrote: >> And it was the USA which lent the money to Britain so it could >> carry on doing that - even before the USA joined the war, it was a long >> way from *neutral*... We paid the last installment back in about 2005 > > Our president at the time, Franklin D. Roosevelt, had a terrible time > with the peace-nics in this country who did not want to get embroiled > in WW-2. The only way he could help the Brit's was to start the > "Lend-Lease" fairy tail. Sent Marines to Iceland, too, freeing up the British troops who were occupying^Wdefending it at the time. -- http://www.greenend.org.uk/rjk/
From: Duncan Kennedy on 6 Jul 2010 06:33 Rowland McDonnell <real-address-in-sig(a)flur.bltigibbet.invalid> wrote: > Duncan Kennedy <nospam(a)nospamottersonbg.couk> wrote: > > > Rowland McDonnell <real-address-in-sig(a)flur.bltigibbet.invalid> wrote: > > > > > Duncan Kennedy <nospam(a)nospamottersonbg.couk> wrote: > > > > > > > > > My '29 350 overhead cam TS > > > > Velo > > > > > > What, *really* 1929? What are the brakes like? > > > > Not a lot by today's standards! > > <grin> I'd guessed that. Were they actual proper drum brakes, or did > you have to put up with those strange `other' brakes I've seen before > drums and discs took over? Drums OK - actually they weren't all that bad. It seemed that the whole bike was designed for racing (the TT was specific as the name suggests and I gather only 8 were made so I'm sure this was a "retail" TS). There were no foot rest rubbers so I fitted some - that meant your right foot was too far above the brake lever for comfort so I stuck a bit of rubber on that too. One day the foot rest rubber fell off - didn't realise that meant I was holding the brake on - until hot oil blew out over my right sock, my foot shot off the rest, the bike shot off too and I just about held onto the separate pillion. I bought my first helmet next day. > > I once knew a bloke with a barely-silenced RD400 (yep, an air-cooled > jobbie). He pushed it down to the end of the street to the main road > before he dared fire it up. Did that for a while - but it certaily wasn't and RD400. > > > If the screws holding the gears for the rop cam drive came loose the > > gear would jump and it took exacly 147 turns of the back wheel to get > > them back in line. > > Wooh! I've never had that sort of thing to deal with. The nearest was > my old CZ, which had a tendency to have one of its dynamo brush clips > fly off. When the red light came on, I'd stop, use the end of the > ignition key as a screwdriver to remove the appropriate side-cover, f Modern garbage - *ignition *keys? :-) > > That number is burned in my memory as I could > > eventually achieve it in 7 minutes under a lamp post. > > Is this in the days before Loctite, then? If it had arrived a tube would have cost more than the bike I lost one of the two overhead cam pivots one day on a long straight. Had to send the other off to a specialist firm to have another made. They did a great job and even drilled a hole for a locking wire before they hardened it. I often pass that straight still and am tempted to go look for that cam lost 55 years ago. > -- duncank
From: Pd on 6 Jul 2010 10:59 Rowland McDonnell <real-address-in-sig(a)flur.bltigibbet.invalid> wrote: > I once knew a bloke with a barely-silenced RD400 (yep, an air-cooled > jobbie). He pushed it down to the end of the street to the main road > before he dared fire it up. Such a mistake with a two-stroke. You need the exhaust to provide a bit of back pressure, otherwise you're losing half your combustion mixture straight out the exhaust ports. -- Pd
From: Woody on 6 Jul 2010 11:26
Pd <peterd.news(a)gmail.invalid> wrote: > Rowland McDonnell <real-address-in-sig(a)flur.bltigibbet.invalid> wrote: > >> I once knew a bloke with a barely-silenced RD400 (yep, an air-cooled >> jobbie). He pushed it down to the end of the street to the main road >> before he dared fire it up. > > Such a mistake with a two-stroke. You need the exhaust to provide a > bit > of back pressure, otherwise you're losing half your combustion mixture > straight out the exhaust ports. My kh400 used to eject its silencer every so often. You could certainly notice the power difference when it did it, and the volume. Luckily it was a completely different power loss than its random cylinder shuffle, so easy to spot. -- Woody |