04-13-2017, 04:59 PM | #571 | |
Join Date: Jan 2012
Location: ChCh , NZ
Posts: 2,262
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Quote:
They still do to this day.... GM speedway motors use crank case pulese to move the oil. the motor has a oil chamber on the side that the end of the crank shaft comes into the crank end is under oil as the piston goes up it sucks oil down the crank into the big end , as the piston comes back down the oil in the bottom of the crank case is pushed though a butterfly valve in the bottom of the crank case & back into the oil chamber... The bottom of the cam chain is running in the chamber under oil & it takes the oil up to the head and flicks it off at the top to oil the cam & valves... then it runs back down the cam chain tunnel to the oil chamber.... Weslake / Jawa / Godden speedway motors were/are a totol loss oil system they used the oil from a small tank in the frame the after it had been though the motor it was spat out though a butterfly valve onto the track... ..
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04-14-2017, 12:45 PM | #572 | |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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Quote:
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04-15-2017, 01:32 PM | #573 |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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And to the Panther
Phelon & Moore developed an engine, and a frame, and a method of mounting the engine around 1910 that was truly unique. It was modified, over the years, but the basis of it survived until the 1960's. And, perhaps, the wierdest thing about the engine was the way it oiled. The engine started out as a side valve, or flathead. It was used as a stressed member of the frame. It had a steering head, and a top tube, and a seat tube, but that was pretty much it. The Engine and whatever passed for a gearbox and the plates that connected the two comprised the rest. So, the engine was the front tube, and at about the same angle as a front tube. What got to me was the oiling system. It used a pump on the feed side, but being a dry sump engine, the way it got the oil back into the tank was weird, strange, and unique. When you first see one, after digesting the fact that the engine was the front down tube, was a triangular aluminum tank in the front of the crank case. A large tank, about 3 3/8ths American quarts. It had a roller bearing big end. When the engine was running, the oil would squirt out of that bearing onto the walls of the crank case, lubricating the main bearings the same way the JAP engine did. Then it would run down to the bottom of the crank case, within a quarter inch of the flywheels. Now the crank case had a connecting window to the top of the oil tank. At the bottom of the window was a wier with a knife edge running .050 inch away from the flywheels, so that the oil on the flywheels was peeled off on the knife edge, and so flowed into the oil tank. Note that the oil tank was out front in the breeze, so it also was an oil cooler. Eventually, they even put fins on the oil tank, to cool a little more. I'm not sure if it was the first dry sump engine (every one else was running total loss, at that time) but if it wasn't the first, it was one of the first. It was such a good idea, it's a wonder no one else did it. P&M eventually named a model the Panther. Then it became the Panther, made by Phelan & Moore. Panther was well regarded as a sidecar puller, perhaps because of that cool oil tank. If from this article you decide that your garage will be forever lacking if it does not have one of these beasties, I must warn you to only buy the 500 or 600cc model. The 650 model is not as good, because in order to make a 650 out of the 600, they had to reduce the diameter of the flywheels, so they couldn't pump oil back to the tank as well, causing high oil consumption...ARH
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04-15-2017, 09:22 PM | #574 |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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I find it hard to believe,
We have over 30 thousand viewers on Hawk Talk. I never imagined that such a thing was possible. Thanks from me to all of the viewers, and the contributors to this column, it's mighty nice to know that people actually read this stuff....Sincerely, ARH
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04-15-2017, 11:13 PM | #575 |
Join Date: Feb 2016
Location: George West, Texas
Posts: 4,097
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Frame less panther120
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04-16-2017, 12:50 PM | #576 |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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Great picture. Shows all of the features I was talking about. See that big oil tank between the exhaust pipes? If you put up a pic of one made in the 1920's, you will see how little the engine and frame design changed.
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04-16-2017, 12:57 PM | #577 |
Join Date: Dec 2015
Location: CO
Posts: 1,525
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Just remember most of those "views" are from "Web-Bots" / "Search Engine(s)" / "Government" caching the website... I would say that maybe 1/4 of the views are real people
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"Think as you like... but this self proclaimed Professor is always right" - Buckshot "You never know what someone is hiding beneath their smile..." - NinjaTom - R.I.P. |
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04-16-2017, 05:14 PM | #578 |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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Well, you deflated my day. Only 7500 viewers at the most. What a downer!...ARH
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04-16-2017, 05:43 PM | #579 |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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Clutches
When I was a lot younger, I ran into a guy who had a 1920-something little four cylinder Bugatti. Ettore Bugatti's idea of a sports car was to put fenders and lights on a de-tuned Grand Prix car. He was trying to sell it to me for $2500, which should tell you 2 things. How long ago this occured, and how stupid I was not to buy it. Anyway, I got to drive it. And it was an experience. Everything in that car you could feel through your fingertips. So he's telling me about the clutch. It was a multi-plate job, running in oil. He told me it used a mixture of kerosene and lube oil. "If you put too much kerosene in the mix, the clutch will chatter, if you put in too much oil, it will slip." "And if you hold the clutch to the floor at a light, it will heat up the clutch plates and creep, and then it will be difficult to change gears." So what? Guess which little motorcycle uses a multi plate clutch, running in oil. That's right, the Hawk.
So, when you adjust your clutch, the first thing to do is to slacken up the cable adjuster at the handle bars, go down to the other end of the cable and wiggle it back and forth to make sure that the lever on the crank case has 1/8th of an inch free play. Then you go to the handlebars, and set the lever so it has 1/8 inch free play at the end of the lever....ARH |
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04-16-2017, 06:28 PM | #580 | |
Join Date: Mar 2017
Location: Twin Cities MN
Posts: 525
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Quote:
Take a look at an old post if a search engine hits counted as views all posts would continue to have their view count go up, which is not the case.
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04-16-2017, 07:47 PM | #581 |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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I feel better already!...ARH
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04-18-2017, 02:19 AM | #582 |
Join Date: Apr 2017
Location: Lancaster OH
Posts: 26
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Which is the best?
Hello. I am currently attending College, and I only work about 4 hours a night, thus, I only make $24 a day, well at the moment it is $32, next semester it will be $24; so I don't really have much at all to spend. I am awaiting for my college loans to come through so I can get a dual sport bike with my overage check. However, I am wanting to know the best 250 cc out there, though I fully understand it my opinion however, I am looking for one that goes around 70mph 80 if I am lucky, but 70 will do. I will have about 1.5k the max I can spend. Any ideas? Thanks in advance!
P.S: I was looking at purchasing this version. I will insert the link and let the pro's inform me on whether it is a good buy or not. https://www.killermotorsports.com/rp...dirt-bike.html |
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04-18-2017, 09:34 AM | #583 | |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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Quote:
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04-18-2017, 09:46 AM | #584 | |
Join Date: Apr 2017
Location: Lancaster OH
Posts: 26
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Quote:
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04-18-2017, 05:59 PM | #585 |
Join Date: Jun 2016
Location: akwesasne, NY-13655
Posts: 2,220
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For which tire? I'm confused, what do you mean, which tire?...ARH
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