Sunnytech Mini Hot Air Stirling Engine Motor Model Educational Toy Kits Electricity HA001
Condition: New
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This item is eligible for return within 30 days of receipt
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Availability:
Only 10 left in stock, order soon!
Arrives
Wednesday, Sep 3
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Features
- FANTASTIC SMART LITTLE THING WITH EXTREMELY WELL MADE WHICH RUNS LIKE A DREAM----the stirling engine is produced with high quality material and elegant workcraft. this stirling engine adopts mirror surface stainless steel for the base, brass cylinder, premium spring, HRC55 nickel plating stand and accessories, aluminium alloy dis-placer piston, glass cylinder liner, precision bearing, bearing steel shafts, zinc alloy flywheel. All the parts have done surface treatment to avoid rusting.
- LONG LASTING----It can run for 8+ hours continuous without any broken while using 95% alcohol which test by one customer. Worry about the cylinder glass broken during shipment or usage? It did come with two spare hot cylinder glass tubes and two O-rings inside the package. You can replace it fast and easily. Replacement video instruction included on the manual. We also can make offer for your future parts requirement.
- SMART SIZE WITH TONS OF MECHANICAL KNOWLEDGE----This stirling engine designed reasonable and compact. it adopts Lever mechanism and Crank-rocker Mechanism, it looks more Mechanical and cool. This machine contains pattern of connecting rod piston, crankshaft, lever, belt drive, gearing, worm drive, transmission, threaded fastener, rolling bearing, plain bearing, heat transfer, sealing techniques etc. It only measure to 100X45X50MM, you can bring it home, school office with convenient in your bag.
- AMAZING CONVERSATION PIECES ON YOUR DESK----It's funny to see people's looks and reactions when they squeeze a little shot for this Stirling engine. Put some combustibles and get the flywheel going, and then it works like charm. All of your guests want to know what happened, ice-breaking success. What a marvelous toy
- YOU GET EXTRA BONUS EXCEPT THE STIRINGWe send extra fan kits as free gift to delight you much more. With those parts, you can DIY your own stirling engine fan in 5mintues. Picture instructions about how to install the fan enclosed in the gallery.
Product Dimensions: 7 x 4.8 x 3.8 inches
Item Weight: 5.6 ounces
Manufacturer recommended age: 15 years and up
Is Discontinued By Manufacturer: No
Manufacturer: sunnytech
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Sep 3
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
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Reviewed in the United States on September 8, 2023 by Roangel Camacho Brito
Everything about this mini stirling engine was wonderful except changing the glass viewing tube. When I tried to remove it because the first was one broken (comes with 2 spares) I broke the rubber ring keeping it in place. After lots if trial and error I was able to figure it out but no instructions are given on these things.
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Reviewed in the United States on May 30, 2023 by John doe
This thing is amazing! First off, it came packaged in 3 boxes. A fairly large box with air packets for cushioning, then there was a smaller box with yet a third smaller box within it! I did notice all Oriental (Chinese per chance?) writing on all of the boxes, but the very small engine was found intact. I was a little concerned by the negative reviews I've read, but I am very pleased with the quality control on this item. There was also a slip of paper written in English with simple instructions inside the box. All the screws were in place, all the rods, linkages were intact, everything was tight and looked ready to go....... and (being a 62 yr. old kid) I simply had to fire it up immediately! I poured a little alcohol in the alcohol lamp, threaded the wick, placed it in position and lit it up. Within half a minute (the directions say 20 secs.) I gave the flywheel a spin and it took off like a champ. If you leave the flame in direct contact with the motor, it keeps gaining RPM until it could vibrate off of the table. I merely moved the lamp away a wee bit and it slowed down to a manageable speed. I, too had a problem with the magnet falling off of the alcohol lamp, so I put a drop of Gorilla glue on it and set the lamp on top and it is quite solid there this morning. I had some trouble with the wick working down inside of the lamp due to vibration. As the wick is made of several strands of string, I thought I could tie a simple knot in it to hold it in place. If I failed, I figured I could replace the string. This simple knot seems to work pretty good as the wick now stays in position better. It did shorten the wick somewhat, but it still seems to work pretty good. I can always replace it with a longer wick. I couldn't help myself, but I ran two full tanks of alcohol through the lamp just watching this thing run. It seems impossible that it could operate, yet it does! Back to the review...... It came with a small foam wrap that had two glass bulbs and two O-rings in it, When I first opened the third box, a very small nut fell onto the table. I couldn't find where one was missing on the engine, so I simply double-nutted it on one of the screws to keep it from getting lost. I assumed that it is also a spare part? Tighten with care as this is a very small nut/screw. The base measures 1-7/8" by 4" and the engine stands about 2" tall overall. It appears to be built pretty good for a toy, the fit and finish being very good on the machined parts. It has only one flywheel (the catalogue description claims "twin flywheels". The base is either stainless or nickel plated steel. The Stamped parts are well made of fairly thick steel (again, these too look stainless) with a brass 1/4" elbow for an engine housing! It looks to have glass cylinders with a metal piston on the hot (top) side and a plastic piston/cylinder on the cold side of the engine. The connecting rods have ingenious linkages to the crankshaft with keepers to hold them in place. The unit came fully assembled, all nuts/screws were tight, and the unit is pleasing to the eye. It seems that Sunny Tech got their quality control straightened out. To me, this is an amazing work of science at a very affordable price. I highly recommend it to anyone with a mechanical aptitude. -------> I'll be quiet now. ;-)
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Reviewed in the United States on September 2, 2015 by Old-dude
it's about 4Lx2Wx2.5H inches. Well well packed in 3 boxes inside each other with ample foam padding and bubble pack. Although effort was made with a rubber band to prevent the hot cylinder linkage from disconnecting from the flywheel during shipment it did. the printed instructions indicate this as a problem and provide directions for correction. I HIGHLY RECOMMEND that you watch all the available videos (YouTube) before operation. i'm giving this a 4 only because mine only came with 1 alcohol bottle and it's advertised with 2. it did come with the 2 spare hot cylinder glass tubes and o-rings as advertised. in addition, unadvertised, it came with a little plastic fan assembly kit (just to give it some work to do) and a long plastic eye dropper like tube for filling the small alcohol bottle. the wick for the alcohol bottle appears to be nothing more than a piece of cut kite string. i am going to replace mine with an old cotton shoe lace. NOW, on to the good stuff. this is a gorgeous miniature working model!. after reconnecting the disconnected linkage as mentioned above i gave the flywheel a slow 360 turn clockwise observing that all the moving parts moved freely with no apparent binding. then a quick spin of the flywheel to see that it would complete one revolution on its own momentum,it did. then i filled the little alcohol bottle using the provided eye dropper like tube. the alcohol bottle come with a small metal lid with a hole in the middle to insert the wick through. you do NOT need much of the wick exposed on the top for a nice small hot flame. use NOTHING LESS than 91% isopropyl alcohol that you can get at drug store. i intend to use 95% denatured alcohol, that you can get at any paint store, but haven't tried it yet. by now your wick should be thoroughly wet. turn the flywheel manually until the hot piston is all the way back in the cylinder exposing the most empty glass area. this will allow for the maximum volume of air in the cylinder to be heated. carefully light the wick and place the alcohol bottle on the metallic base (the bottle has a small magnet on the bottom to hold it in place) positioning the flame just short of the end of the cylinder tube centered underneath. the instructions say to give it 20 seconds to warm up. i found this insufficient on my model. give it at least 45 to 60 seconds to warm up and then give the flywheel a solid spin clockwise. VAVOOM! i feel fortunate that mine must be very well balanced because it didn't walk across the desk top at all, as many folks have reported. anyway this little thing really whirs away! ALL & ALL i would give this 5 STARS for design, craftsmanship, quality, aesthetics and functionality. if you're a big boy looking for a new toy, go for it! ps: ordered Amazon Prime and arrived in 2 days!
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Reviewed in the United States on January 21, 2017 by Amazon Customer