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Marmon-Herrington TC-48

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Marmon-Herrington TC-48 - information: Marmon-Herrington TC-48 is a very good car, that was released by "Marmon-Herrington" company. We collected the best 10 photos of Marmon-Herrington TC-48 on this page.

Brand Name Marmon-Herrington
Model Marmon-Herrington TC-48
Number of views 63149 views
Model's Rate 7.3 out of 10
Number of images 10 images
Interesting News
  • BIG BIKE VS. SMALL BIKE.

    We see it quite often at the racetrack, especially in club races where classes are mixed: Rider on small bike passes rider on big bike in seemingly every corner, only to be passed back right away on the next straight. Even if the power difference is not that great between the two bikes, the contrast between corner speed and straightaway speed of the two bikes becomes magnified as each bike is ridden to maximize its advantages. The reality of the situation is that the outright maximum cornering speed between any two bikes is not that significantly different, provided both are on similar tires. If the tires are similar, both bikes should be capable of the same lateral acceleration (limited by the friction coefficient of the tires) and corner speed. Why do we see such a contrast in how the bikes are ridden? On an underpowered bike, the quickest way around the track is to maximize corner speed, in turn getting onto each straight with as much speed as possible. This is accomplished by completing the corner with as large an arc as possible, which converts lateral acceleration into maximum corner speed. For a typical single-radius corner, this means entering as wide as possible to maximize entry speed, turning in to the apex with little trail- braking, and keeping the bike at maximum lean with a constant radius until the very exit of the corner. In contrast, the quickest lap times on a more powerful bike are usually found by maximizing acceleration onto each straight and taking advantage of that power; this is achieved by sacrificing some corner speed to pick the bike up and apply the throttle earlier at the exit. For that same single-radius corner, this means a tighter entry, more trail-braking to a slightly later apex, with a tighter arc and less corner speed to get the bike up off the side of the tire as quickly as possible. As we found out in our displacement test last year where we compared the Yamaha YZF-R6, Suzuki GSX-R750, and Kawasaki ZX-10R, it’s not so much that the smaller bikes have a handling advantage over the bigger bikes but rather it’s how each bike is ridden to play to its strength or weakness in the power department. Using data from our AiM Solo GPS lap timer, we could see differences in line and cornering speeds between the three bikes, just as you would expect given the horsepower of each. While a few horsepower here or there might not seem like it should impact line choice signifi- cantly, in practice even a small difference can significantly change how a particular corner or series of corners is negotiated. And the contrast between a lightweight bike and a literbike can be astonishing: We’ve encountered certain corners where the entry line is several feet different on an SV650 than it is on a 1000, for an example. Finding the optimum line to match the power of your bike does require some experimentation. The wide radius and high corner speed that less powerful bikes require typically brings with it a higher risk of a high-side crash in the middle of the corner just as the throttle is opened, and the safer option is to start with the tighter entry and lower corner speed of the big-bike line and work from there, adding more corner speed and a wider entry with practice. If you are looking at sector times on data, don’t forget to factor in any time gained or lost on the succeeding straight, which may or may not offset time saved in the corner itself. Given the contrast in lines between different bikes, the key point to remember is that the optimum line for your bike may be very different from the bike in front of you, and it’s quite often a mistake to blindly follow another rider at the track. Even if you are riding the same model of bike, the power difference may be enough that you can take advantage of a different line to be quicker, and that line may work to a further advantage when it comes time to make a pass. When you ride at the track, what bike you are on will at least in part determine what lines you should be taking, and you should try different options with that in mind. And if you change bikes and move to a more or less powerful machine- or even make modifications to the same bike for more power-know that the lines you had been using for years might need to be altered appropriately.
  • Porsche North America Racing achieve podiums at Daytona.

    Porsche North America Racing started the 2016 WeatherTech United SportsCar Championship with a third place finish in the GTLM class at the 54th Rolex 24 Hours of Daytona. The no.912 Porsche 911 RSR of Earl Bamber, Frйdйric Makowiecki and Michael Christensen battled through an unusually attritional race to take the final step on the podium, although it was nearly so much more for the factory Porsche squad. A wet qualifying session on the Thursday, disrupted by torrential rain, saw the no.911 and no.912 Porsches lock out the front row of the grid in the hands of Nick Tandy and Makowiecki respectively. Such was the GTLM field’s dominance in the wet, the two 911 RSRs actually set the fastest times overall but, thanks to IMSA’s rules, would be forced to start behind the prototype machinery. During the race’s opening hour, Tandy (as is now becoming customary in the USCC) raced into an early lead as the no.912 dropped back into a dogfight with the works Corvettes and BMWs. By the six-hour mark, the two factory Porsches crossed the line onetwo, with the no.911 still narrowly leading. However, through the night - heavily disrupted by multiple full-course caution periods - the momentum swung toward the no. 912 RSR. By dawn, the 54th Rolex 24 had boiled down to a battle between the two Porsches and the no.3 and no.4 Corvette duo. But, with Kйvin Estre at the wheel, the no.911 slowed dramatically on the banking with around five hours to go, a broken driveshaft forcing a lengthy stop for repairs leaving the no.912 to battle on alone. Patrick Pilet would eventually re-emerge in the 2015 championship-winning entry to help it on its way to some useful points in eighth place. After the final round of stops inside the last hour, Bamber found himself once again in the class lead. However, after being hunted down by Oliver Gavin in the no.4 Corvette, the Kiwi racer was nudged out of the lead at the turn five hairpin. With around 20 minutes remaining, the second Chevrolet - in the hands of Antonio Garcia - also found a way through, this time at the Bus Stop chicane, leaving Bamber to watch on as the two Corvettes fought it out for victory. Despite coming close, the two GM cars never came to blows, as Bamber brought the no.912 machine home in third for the crew’s first podium since ViR last August.
  • DS 4.

    Little more than a year after Citroen announced that it would be spinning off its DS cars into a separate luxury subbrand, the French firm has facelifted half of its line-up, with both the DS 4 and flagship DS 5 sporting the company’s new corporate nose treatment. The rest of the range, namely the DS 3 supermini and Cabrio, will get an update within weeks, adopting a similarly bold front end that will also see the end of the double chevrons adorning the car, as has been done with the DS 4 and DS 5. While the UK is the biggest single market for the DS 3, there’s still some work to be done on the rest of the range, but the newly formed firm is hoping that revisions to the DS 4, including a realignment of its market positioning will transform sales. DS Automobiles is looking to attract two different sets of buyers for the newly revised DS 4, with the regular DS 4 riding lower compared to before, while the new Crossback model is aimed at the crossover market thanks to its raised ride height of 30 millimetres, and more rugged, off-road inspired styling cues. At the car’s international launch a couple of months ago, we focused upon the DS 4 Crossback edition, but now with the first examples arriving in UK showrooms, we were able to spend time behind the wheel of the DS 4 Prestige, paired to the flagship 178bhp BlueHDi engine. One of the biggest criticisms of the outgoing DS 4 was its unyielding ride and we’re pleased to say that ride comfort has been transformed on the new car. Deep ruts and potholes are tackled with ease, and there’s no need to brace yourself like you needed to do with the old car. Steering feel is particularly agile with lots of feel, with the DS 4 asserting itself as being different from the humdrum hatchback segment. Through the bends there’s minimal body lean and a decent amount of grip, inspiring confidence in more challenging corners. While it doesn’t offer the same kind of driver satisfaction as Ford’s Focus, there’s reasonable agility and the experience is reassuringly safe and predictable. The engine is quiet and refined, only becoming heard when you really gun the right hand pedal, and while there’s a fair amount of road noise on noisier surfaces, wind noise isn’t intrusive. Away from the lights there’s decent pace, with smooth gearshifts from the six-speed automatic transmission. The brakes deliver good bite, though beware if you have anything larger than average sized feet, as the space in the foot well is at a premium. There’s very little room between the centre console and the clutch pedal on manual gearbox variants, and it’s all too easy to get your size tens stuck uncomfortably, and then there’s a mad scramble to get the clutch down in time for you to stop. It’s a good reason why you’re better off opting for the automatic variants in preference to the manual versions. Apart from revisions to the dashboard to incorporate a seven-inch touchscreen navigation system, and the first time that Apple CarPlay has been seen in a PSA Peugeot-Citroen-DS product, it’s business as usual. So that means a nicely appointed cabin with surfaces that are a cut above the norm in the medium car segment. The trademark DS watchstrap-inspired leather upholstery is on offer and looks sensational. There’s squidgy materials used for the dashboard, but disappointingly the door tops are hard plastic unless you opt for the uprated leather trim. The instruments where you can change the backlighting are a nice touch, and all of the controls are neatly positioned up high for ease of use. You’ll need to be a contortionist to use the USB socket, or have small hands, though, because it’s awkwardly positioned on the centre console. And that’s particularly disappointing as the use of Apple’s CarPlay depends on you being able to plug in your iPhone via the USB socket. The newly introduced touchscreen is easy to use and nicely positioned just within your field of vision. While it isn’t the most responsive system around, it’s certainly no better or worse than some rival systems. Our test car came equipped with the distinctive watchstrap upholstery and comfort and lateral support is simply excellent. It’s also easy to adjust the seats to gain a good position, though the steering wheel always feels like it is positioned too close. Space up front is pretty good, apart from the aforementioned pedal problems, while at the rear there’s surprisingly more space than you expect. Once installed in the back, knee and headroom is actually alright, though it can be a bit of challenge to get in and out. Those shapely styled rear doors come to a point, and if you’re not careful you could do someone a mischief. Space around the cabin for oddments is generally good, with a decent-sized tray in front of the gear lever and well-proportioned door pockets. While vision out of the front of the car is good, thick rear pillars and a shallow rear window make manoeuvring more of a challenge. It’s therefore pleasing that all DS 4s come with rear parking sensors for added reassurance. Boot space is well proportioned at 385 litres, though you’ll have to get over the high sill first. The optional Denon audio system restricts space a little, but the seats are easy to fold down with the pull of a lever. With the launch of the new DS 4, prices have increased a notch due to realignment of the model range. Where the previous DSign model offered an attractive entry price to DS 4 ownership, it wasn’t particularly well equipped, something you can’t level at all models of this latest DS 4 range. For instance, all versions come with DAB digital radio, a seven-inch touchscreen navigation system, dual-zone climate control, rear privacy glass, cruise control and automatic headlights and wipers.
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