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Description
Mini Hot Air Stirling Engine Motor Model Educational Toy Kits ElectricityStirling Engine Kit Rocker Mechanism Brass Hot Single Cylinder Model EASY OPERATION: it's ready to run. All you have to do is to take it out of the box and fill the lamp with 95% alcohol to heat the glass cylinder; then, after warming up for seconds, give the flywheel a spin and it will rotate rapidly and smoothly; besides, you can also assemble the free DIY set onto the flywheel to get the fan rotating. Just within 5 minutes, people around the
Stirling Engine Kit Rocker Mechanism Brass Hot Single Cylinder Model
- ★EASY OPERATION: it's ready to run. All you have to do is to take it out of the box and fill the lamp with 95% alcohol to heat the glass cylinder; then, after warming up for seconds, give the flywheel a spin and it will rotate rapidly and smoothly; besides, you can also assemble the free DIY set onto the flywheel to get the fan rotating. Just within 5 minutes, people around the machine will be surprised and wonder how it works. A great desktop toy, TONS OF FUN!
- ★WIDE APPLICATIONS: it's a vivid model displaying basic principle of external combustion engines. People bought it for kids' science project, physics/mechanics learning, etc., enlightening them to explore more scientific knowledge. This engine is also a well-designed and crafted mechanical toy suitable for people of all ages from all works of life. It will definitely be a fantastic gift for those you love.
- ★A WORKING MODEL WITH CAREFULLY SELECTED MATERIAL: mirror stainless steel base with 4 rubber pads ensures its stability while working; high grade spring steel stand is of high strength & hardness after the heat treatment, holding the brass tube tightly when getting this model going; employ wear-resistant bearing rod and customized thickened quartz glass to improve its robustness; we specially choose zinc alloy to make the flywheel so the engine will look more aesthetic.
- ★WELL DESIGNED AND CRAFTED: with elegant design and fine workmanship, it's simply a beautiful piece of art. By the combination of Lever Mechanism and Crank-rocker Mechanism this engine looks more "mechanical". It is of solid structure & delicate body, all parts have done special surface treatment to avoid rusting and fading. Compact design makes this engine a super mini one that can be easily put into your pocket while maintaining high performance.
- ★FANTASTIC GIFT FOR EVERYBODY: great design and fine workmanship with affordable price make this engine a great gift for everyone! Many people bought our machines as gifts to families, teachers, friends, boyfriends and SELDOM will our machines fail to cheer them up! You'll not feel regretful on purchasing of this one. If you do: all DjuiinoStar products come with 30-Day Unconditional Money Back Warranty and 1 Year 100% Satisfaction Guarantee!
Designed for demonstration and amusement only. Please do NOT try to modify it. Any modification can make it damaged.
Driven by the little lamp, this engine will rotate at speed around 1700-2000 RPM. It's assembled and will run within 5 minutes after opening the package provided you have a bottle of alcohol by your side.
It is a MINI version which can be put into your pocket. A little bit smaller than a 300ml Coca-Cola can. But do not be confused by its size, its quality and performance are guaranteed! We've done special treatment to the machine to avoid rusting and fading; use heat treated high grade spring steel stand to ensure its stability; employ thickened quartz glass cylinder and bearing steel rod to strengthen its robustness; specially designed Lever Mechanism and Crank-rocker Mechanism makes it more ”mechanical”. It will definitely be a great gift to those with mechanical brains. A great desktop toy for everyone.
It's also a perfect teaching tool demonstrating the process of energy exchange: the hot air in the sealed cylinder enables power piston to move continuously, and flywheel will spin at the same time; periodical air expansion and contraction makes heat energy converted to mechanical energy... Kids will be excited and curious about why. This will enlighten them to explore the world.
Features:
Status: Assembled
Speed: 1700-2000 RPM(revolutions per minute)
Material: stainless steel, bronze, bearing steel, zinc alloy, quartz glass, aluminum, HRC55 steel
Overall size: 101x46x60mm/3.98x1.81x2.36in(L/W/H)
Size of flywheel: 30x7mm/1.18x0.28in(Diameter/Thickness)
Net Weight: 112g/3.95oz
Packing List:
*Engine x1
*Lamp x1
*Pipette x1
*Spare tube x2
*Spare sealing ring x2
*User manual x1
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4.7 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
great resource for high school parents
Format: Paperback
A terrific book -- on many levels. It is, first, a series of excellent suspense stories, with vivid characterizations of the students seeking admission to Wesleyan. The author found some fascinating students to follow, with the result that the reader really cares what happens to them. Even more important -- especially to someone about to embark on the college hunt -- he provides an invaluable insight into how the admissions process works. The admissions game, I now realize thanks to this splendid tale, is a crazy-quilt mixture: at Wesleyan, at least, the process focuses on the individual, quirks and all, far more than I imagined. At the same time, the process comes off as frighteningly random -- with so much depending on which admissions officer reads the application, and what that person focuses on in the few minutes available. The book is also a vivid reminder that admissions officers are people, too -- people of infinite variety.
So it was a pleasure to read -- and it will also prove immensely useful to parents. One common theme kept repeating: take the hard courses, even if it means lower grades. Another: having a passion is a real plus, but the rest of the record can't be a disaster. But those are just the beginning.
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Reviewed in the United States on September 11, 2003
★★★★★ 4
Very accurate view of admission (I worked there); compelling read, enlightening even for people who think they already know
Format: Kindle
I was a Senior Interviewer during my senior year at Wesleyan 1981 and so I worked with many of the main characters in the book. Although the book describes a later time period it rang entirely true to me. The volume of applications...the controlled chaos...the searching for a hook or a champion for an application was very familiar.
At least at Wes it seemed (and seems) that unless one's application has some unusual feature that the school is looking for that year (a particular athlete or a particular musician or a particular tough background that was overcome) the road to admission will be challenging.
An area that did surprise me was the emphasis on the family of the applicant...and the degree to which an applicant was held to a higher standard if their parents were deemed to be college fluent. I guess this makes sense and actually provides a leveling of the playing field but it was surprising none the less.
It may also be surprising to some that these days you don't just need to convince the gatekeepers that you could be successful at the school..you must also show how your presence would enhance the school. This is of course an enormous burden for most teenagers.
Like it or not this is the reality at many "top" schools. If you or your child is applying to college you owe it to yourself to read this book....either to understand the game or to make an informed decision not to play.
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Reviewed in the United States on May 20, 2013
★★★★★ 5
What is better? The overachieving 6 or underachieving 8?
Format: Hardcover
First, let me say that I thought that this was an excellent book and would recommend it to anyone who is at all interested in the college admissions process. Second, I was surprised at how many of the reviewers seemed shocked--shocked!--that applicants got bonus points for coming from minority backgrounds. Was this some kind of revelation? However one thing that surprised me a little bit is how--even moving beyond race entirely--the more advantages you have had in life, the more disadvantageous it will be for your admissions process. For example, I was unaware that having successful parents would be, in essence, held against you on the theory that more would be expected of you. While other reviewers have (jokingly?) said that they would advise their white kids not to check the "Caucasian" box, I might advise my (still very young) kids to say that their parents have been unemployed their whole life.
I suppose that the main issue which this whole process really boils down to is the following: As a college applicant, is it more important to succeed in life relative to the world around you (i.e. relative to your classmates, to others of your race, to others of your geographical area, to your own parents' life and accomplishments, etc.) or is it more important to succeed absolutely and not on a relative scale. This book clearly informs us that the answer is the former and not the latter. Whether that should be the answer is another question.
For example, say that a student's entire life could be distilled into 2 numbers each on a sliding scale from 1-10. The first number is simply your academic performance (grades, SAT's, course load, etc.) The second number is your background (race, economic circumstances, gender, etc.) In the case of Wesleyan, it seems clear to me that they would rather have a student whose first number was, say, a 6 if his or her second was a 2 (take Mig for example in Steinberg's book) than a student whose first number was an 8 if the second number was a 9 or 10 (take Tiffany Wang for example). Whether that is the right approach is certainly a legitimate issue for discusion and I'm not saying that it's not.
I suppose that one of the things that would be interesting to know (even though one never really can know of course) is whether those numbers will change in the future. For example, if one were to know that Mig would always be a 6 and Tiffany would always be an 8, would that change the analysis as to which is the right approach? I suspect that part of the reason that a school like Wesleyan would favor the overachieving 6 over the underachieving 8 is due to the hope or expectation that those trends will continue in the future and that one day the 6 will actually be ahead of the 8. And maybe that's the way it works. Who knows.
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Reviewed in the United States on February 28, 2003
★★★★★ 5
You will find out how a selective private college evaluate and admit students
Format: Paperback
I'm a high school counselor and college advisor. Fifteen years ago when I started my college counseling position, I struggled to understand or explain to students and their parents how a selective private college evaluate and admit students. It was this book that helped me understand the essence of selective private college admissions. Compared to other dry theory books, this book tells the admissions practice as stories that are easy to read, understand, and associate with. I highly recommend this book to students, parents, and new counselors.
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Reviewed in the United States on December 5, 2024
★★★★★ 3
Who edited this mess?!?!?!?
Format: Kindle
This is a very interesting work of nonfiction. I found it intriguing and read it very quickly. I actually got invested in these students and their stories and their journey to get admitted to the college that was right for them. BUT, and this is a big but, this book is so poorly edited, it is disgraceful! If a person were reading this for research purposes, and it could be useful for just that, good luck to them. The dates are all over the place. At one point, the kids are being considered for the class of 2004, then it makes a reference to the current year as 2000, then it reverts back to 2004 for a long while, then it mentions how the kids--currently at their various chosen colleges--reacted to the events of 9/11/01. What the hell? It's very confusing. It makes it very difficult to keep things in context.
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Reviewed in the United States on August 8, 2013
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