I was told by much older pilots that if you were flying an overhead pattern in an F-80 or F-86 and pulled the power to idle when you commenced your final turn, your engines would not spool up to full power again before you crossed the runway threshold. Eric
> On 06/16/2025 5:47 AM EDT Joseph Corrao via Mifnet <[email protected]> > wrote: > > > It’s easy to see that turbine lag would have been very problematic for race > cars in the 1960s (although Granatelli’s didn’t seem particularly troubled at > Indy). But today, couldn’t the electric tech like that on on contemporary > hybrids be applied to address that problem? (And haven’t contemporary small > turbines addressed lag reasonably well, also?) > > I’m thinking a turbine class, or maybe a more general “novel propulsion” > class, might be a very interesting addition to Indy, F1, and other > advanced-tech forms of auto racing. Thoughts? > > JoeC. > > Sent from my iPhone > > > > On Jun 16, 2025, at 5:06 AM, srbrown via Mifnet <[email protected]> > > wrote: > > > > > > > The world landspeed record and first supersonic car was a Rolls-Royce > > Spey-powered machine. Called the Thrust SSC. An F4 cohort of mine drove it. > > > > And survived. > > > > <.EmailTempImageHEV_1750055404724.jpg> > > > > Formula 1 racing in the 70s also had a contender. An idea I think derived > > from the Le Man's contenders. The Lotus 56B had a Pratt & Whitney engine. > > Emerson Fittipaldi drive it. > > <.EmailTempImageHEV_1750055503430.jpg> > > > > Turbine lag can also plague aircraft needing to go around, of course, and > > also spooling up for take-off. Hence setting about half power on the runway > > to let the engines catch up with each other before smoothly advancing them > > to take-off power. Likewise high flap settings on approach which means the > > engine rpm stays at a higher setting for better response in case a quick > > getaway becomes the order of the day. > > > > (Scott has got me doing a comma count now. Damn.) > > > > Simon > > > > -------- Original message -------- > > From: RWM--- via Mifnet <[email protected]> > > Date: 15/06/2025 20:40 (GMT+02:00) > > To: [email protected] > > Cc: "[email protected]" <[email protected]> > > Subject: [Mifnet 🛰 72712] Re: dipshits and turbojet-powered trains > > > > As did the Rover-BRM (1963-1965), including a win in the Experimental class > > at the Le Mans 24 Hour race, and the Howmet TX (1968) in SCCA (U.S. > > National) and international long distance sports car racing. > > > > - Bob Mann > > > > > > > > > On Jun 15, 2025, at 13:23, Joseph Corrao via Mifnet > > > <[email protected]> wrote: > > > > > > > > > > > Andy Granatelli's 1967 Indy car made quite an impression too. > > > > > > [deliveryService.jpeg] > > > STP-Paxton Turbocar, 1967 > > > https://americanhistory.si.edu/collections/object/nmah_882080 > > > americanhistory.si.edu > > > https://americanhistory.si.edu/collections/object/nmah_882080 > > > > > > JoeC. > > > > > > Sent from my iPad > > > > > > > > > > On Jun 15, 2025, at 12:59 PM, Jack Keady via Mifnet > > > > <[email protected]> wrote: > > > > > > > > > > > > > > > keady > > > > > > > > Chrysler had a bit more success, with their turbine cars: > > > > > > > > https://en.wikipedia.org/wiki/Chrysler_Turbine_Car > > > > > > > > On Sun, Jun 15, 2025 at 9:03 AM Karl L. Swartz via Mifnet > > > > <[email protected] mailto:[email protected]> wrote: > > > > > > > > > The attached image has been making the rounds of the stupid-webs. The > > > > > text from one version, from LinkedIn, reads as follows: > > > > > > > > > > > > > > > > Soviet jet train built in the 70s > > > > > > The idea was simple. Install aircraft engines on a train car that > > > > > > can no longer be used in the air, but can still be used on the > > > > > > ground. According to the project, such engines should push the > > > > > > train car. > > > > > > To create an experimental jet train, engines used on the Yak-40 > > > > > > aircraft were chosen. It was decided to install them on a modified > > > > > > ER22 lead motor car with modified aerodynamics. In particular, > > > > > > fairings were made on the car body, under which the car wheels were > > > > > > removed. > > > > > > A car with a jet engine was created in one copy and for five years > > > > > > from 1971 to 1975 it was used for running tests on the railway line > > > > > > as part of the ER200 project. > > > > > > In 1972, the car reached a speed of 250 km/h on the Dnieper > > > > > > Railway, which became a record for Soviet railways. > > > > > > In 1975, after the release of the ER200, the need for a high-speed > > > > > > train with jet engines disappeared and the project was cancelled. > > > > > > > > > > > > > > > > My response: > > > > > > > > > > > > > > > > The text refers to the second image. The first is a bad rendition > > > > > > of New York Central’s mid-1960s M-497 “Black Beetle” experiment, > > > > > > using a modified Budd RDC-3 and General Electric J47-19 turbojets > > > > > > (surplus from a Corvair B-36). > > > > > > > > > > > > On July 23, 1966, the car reached a speed of 183.68 mph (295.6 > > > > > > km/h) on a test run between Butler, Indiana, and Stryker, Ohio. It > > > > > > did not have flames coming out the front of the jets. > > > > > > > > > > > > > > > > The stupid is strong out there. > > > > > > > > > > -- Karl > > > > > > > > > > > > > > > <1749596866751.jpeg> > > > > > -------------------------------------------------------------------------- > > > > > Revised: 20250507 > > > > > > > > > > You are receiving The Mifnet because you requested to join this list. > > > > > > > > > > The Mifnet is largely a labor of love, however the infrastructure > > > > > isn't exactly cost-free. 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