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My angle grinder has a brushed motor, meaning that it can be slowed down with an SCR-type speed control (e.g., HF's "Router speed control": http://www.harborfreight.com/router-speed-control-43060.html ). I know that it won't have as much power when slowed down & that won't be a problem. read more...
In article: Using an angle grinder with speed control
What metal (or other fairly common substance) retains COLD the longest? I was thinking of experimenting this hot Summer with placing various chunks of metal in my freezer and...more or less using them like ice. Putting them in my cooler and seeing if they kept items nice and cold --without the side effect read more...
In article: Question About Cold Retaining Metal
Awl -- It says error #8, #10, indicating magnet, encoder problems, motor overload. It makes lots of funny noise at low speeds, quiets at higher speeds, the noise started a cupla days ago, until the error codes starting showing up. At times, almost sounds like bearings are being crunched, but everything read more...
In article: Fadal C axis error
I have a large LEGO project for school that I am hoping someone can help with. The project involves building a large LEGO sculpture requiring assembly with "glue" as it has to be on semi-permanent public display and will be manhandled by kids. After 6 months of display, we read more...
In article: LEGO glue or sealant
Organoleptycznie? zyga read more...
In article: Jak rozpoznać żeliwo
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Metalworking
Tools to rebuild civilization
posted on 09-22-2018
Hey Ed, this shows a Heavy 10 lathe like yours and mine on a WW2 Navy harbor repair ship. http://www.gutenberg.org/files/57941/57941-h/57941-h.htm Clearing and restoring a sabotaged port facility... read more »welding tractor for bridge - 2 lines railway span
posted on 08-29-2018
Hi all Need advice from zero upwards about using welding tractors. We have a bridge to make. Overbridge over a railway. Two lines. Structurally it's typical steel bridge type - sides / parapets ... read more »Aud
posted on 12-25-2017
Hi my name is Jim, Just got a used Aud,Added an inverter and pendant, going to to run the pump strait off 240 with a cap across motor. 30 years since I did any turning lol. Slooo looking forward to... read more »aluminium 6060 versus 5754
posted on 08-29-2018
Hello everybody, To make a folding kayak, I need aluminium tubes to build it. My problem is that I do not find the diameters I need (16 mm and 14 mm) in the same metal shade. I find 16 mm in 606... read more »Table of RPM for drill size
posted on 03-23-2016
Is there a url around of a nice table of rpm for each drill size for the various material. Each time I need to use the vertical drill I figure it out, but it would be handy to final attack such ... read more »Engineering and Science
Wrong signs in three formulas of electrotechnics
posted on 09-21-2018
Lorentz force formula F=qvB has been obtained by experiment. It can be derived from third Hertz's equation: rot E = -d/dt B - rot(v x B) if derived in such way it changes sign, F=-qvB. Another two... read more »Lister D running speed
posted on 08-21-2018
My Lister D runs too fast. It has good spark and starts OK then revs up and needs to be stopped before it kills itself! I have checked the float chamber and am pretty sure that is OK. I think it is t... read more »Mechanics of Materials 6th edition by R. C. Hibbeler
posted on 08-11-2018
solutions book team s o l u t i o n s m a n u a l t e a m @ h o t m a i l . c o m solutionsmanualteam(at)hotmail(dot)com solutionsmanualteam@hotmail.com We're a team for providing solution manu... read more »Bluestar Nantong Xingchen Introduced Filament Grade PBT Resin (StaresterFL)
posted on 07-02-2017
About Us Nantong Xingchen Synthetic Materials Co., Ltd., formerly known as the Nantong Synthetic Material Plant of the China Ministry of Chemical Industry (CMCI), was founded in 1974. It is subordin... read more »fundamentals of physics Vol.1 vol.2 , By Halliday and Resnick , 6th ed
posted on 09-12-2018
solutions.for.student@hotmail.com s o l u t i o n s . f o r . s t u d e n t @ h o t m a i l . c o m solutions(dot)for(dot)student(at)hotmail.com We're a team found for providing solution manual... read more »Computer-Aided Design and Manufacturing
deployable door.
posted on 09-03-2017
Hey guys, I was interested on deployable systems and this time I was trying to make deployable door. The door design have two approaches 1 ) zigzag pattern muira-ori origami approach 2) hand fa... read more »AI Mind Maintainer: Have Code, Will Travel
posted on 07-15-2018
If you have the right stuff for working in a mission-critical AGI installat ion, you may join the elite cadre of human beings charged with man-machine liaison. With your expertise in software deve... read more »test (sorry)
posted on 01-21-2018
Sorry for the test. I'm trying to find out why I'm not seeing anything on alt.machines.cnc read more »Hacking Course in India ? SSDN Technologies
posted on 07-14-2018
Join Certified Ethical Hacking Courses from SSDN Technologies and get certified in lowest cost and Best Pro Expert. Official Council Course. Read more: https://www.ssdntech.com/certified-ethical-hac... read more »Principle Behind Sisotool Optimization Tuning Method
posted on 07-26-2018
Hello, I designed a controller through sisotool by using the auto tuning: Optimization Based Tuning Method. I want to learn the idea behind this method, like what is the optimzation function? How ... read more »Packaging Services | Card Board |Corrugated Board Packaging | Dot2Dot
posted on 08-31-2017
Art Card Packaging Any packaging sizes, designs and shapes, we can do it without any problems. With our talented designers and high technology engines, any packaging typ es are possible for us. R... read more »Model Engineering
Collect Aire AT-9 Jeep
posted on 06-26-2018
I am looking for the 1/48 AT-9 Jeep kit...if anyone has one they would like to sell please let me know...this is the only kit I need to complete a collection of all the planes my grandfather flew in ... read more »Tandem X launch problem
posted on 04-08-2018
Hi, this was our first rocket build and launch attempt. We got it to launc h twice, but the rocket only went about 6 - 8 feet in the air both times be fore falling. Parachute shot out after the ro... read more »Instructions for Kit # 7001
posted on 09-07-2018
I'm trying to locate the instruction sheets for Detail Associates Branch Line Roundhouse Kit #7001. Photo copies or PDF's are OK. Thanks for the help. read more »Revisiting the Road Rail Tank Project
posted on 08-14-2018
Hello all I was looking for any possible info on the internets about the 31 Guinness Tanks built by BR 1951-1955 and I've stumbled across posts made by Mike Smith, I think he's the one with the long ... read more »Sbach 30 cc gas Orange, Black, White (73"w.s.)
posted on 02-06-2017
Wanted: N.I.B. (arf) Sbach 30 cc ORANGE,Black,white read more »shop air quick connects
posted on 09-07-2018
Just got some air tools, I think I should only use one type of quick connector if possible throughout the workshop. So, which is better, vertex/pcl or euro? Price isn't a factor with the small ... read more »Best Web Hosting Coupons and Promo Codes for 2018
posted on 04-17-2018
Looking for the best web hosting coupons and promo codes for 2018? Stop sea rching for that get Up to 98% Discounts to the Best Black Friday Web Hostin g Deals for 2018 from the Top Hosting provide... read more »LEGO 3D Milling Machine
posted on 03-31-2013
Saw this in another group, could not resist re-posting here: http://youtu.be/oF0pMILT7_Y NXT-based. Given that it's Easter today, can't resist the temptation to compare it to the Eggbot - similar des... read more »International Engineering (BETA)
Leitungsisolation im Sicherungsverteiler
posted on 09-20-2018
Hallo, Hier wurde mit normalen flexiblen Leitungen verdrahtet, Sicherungen kunterbunt nebeneinander. -- www.change.org/p/bundesregierung-frau-bundeskanzler-bitte-belegen-sie-ihre-behauptungen read more »Latawiec w XXI wieku.
posted on 08-12-2018
Witajcie. wca. y emat co http://www.latawce.website.pl/skrzynkowe.php read more »[MANIFESTO] it.hobby.modellismo
posted on 09-19-2018
In fondo a questo articolo, inviato automaticamente ogni mese, troverai il manifesto di questo newsgroup (it.hobby.modellismo). . Tieni presente che esistono anche questi newsgroup it.test ... read more »Stromburg
posted on 08-29-2018
Mojen, hat hier eigentlich schon mal jemand einen Stromburg-Nuri gebaut/geflogen? read more »Vakuum im Khlturmwasserkreislauf erlaubt?
posted on 09-20-2018
hat, etc. Ein paar Fragen: warum? Ist das dennoch ein denkbares Szenario, oder ist Vakuum, sagen wir mal 3) Was gilt es sonst noch zu beachten? 4) Habe im Internet ein wenig gegooglet, jedoch k... read more »[Charte] fr.sci.electrotechnique
posted on 09-02-2018
Archive-Name: fr/chartes/sci.electrotechnique Bonjour, 28 novembre 1999. =============== CHARTE DU FORUM ============&# read more »