⚙ Mechanical Engineering

How many cfm can a typical hair dryer blow?

I think it's somewhere between 10 cubic feet per minute (cfm) and 100 cfm, but can anyone give me a more precise value?...

12 comments posted 18yrs

posted by mrdarrett

12 comments posted 18yrs posted by mrdarrett

G.P. Blair's book, "Design and Simulation of Four-Stroke Engines"

Does anyone know where I can obtain the errata sheet(s) for this book? There are some errors, typos, cut-and-paste blun...

3 comments posted 18yrs

posted by Cmplx80

3 comments posted 18yrs posted by Cmplx80

HP 11C

For many years I have been using an HP 11C scientific calculator. Although it still functions well, I would like to hav...

12 comments posted 18yrs

posted by timo.debeer

12 comments posted 18yrs posted by timo.debeer

tilt angle on press brake.

We want to form a cone on apress brake. Has anyone any idea if we have to change the tilt angle. The deflection must be...

1 comments posted 18yrs

posted by philnik

1 comments posted 18yrs posted by philnik

Impeller geometry

Is there a differential equation describing impeller surface geometry in an axial fan? Let us assume outer diameter, hu...

0 comments posted 18yrs

posted by mathma18

0 comments posted 18yrs posted by mathma18

A practical question

I have been entrusted to ship a certain ammount of botox from New York to Miami and need to keep it cool. My question i...

2 comments posted 18yrs

posted by emcourtney

2 comments posted 18yrs posted by emcourtney

Thin film lubricatio

Good day It has been about 35 years since my last lubrication and machine design class. I have been doing mainly heat t...

0 comments posted 18yrs

posted by jbukowski

0 comments posted 18yrs posted by jbukowski

Re: Maximum Cycling Range for Max Fuel Efficiency & Money Savings

> Bret wrote: > > Spaceman wrote: WooooHoooo 2 crank(shafts) communicate. This should be fun. Hey Spaceman, got to figu...

4 comments posted 18yrs

posted by rabbitsfriendsandrelations

4 comments posted 18yrs posted by rabbitsfriendsandrelations

Re: $50 Device Doubles Mileage: Isn't It Another #$%^& Scam?

> http://www.wsoctv.com/video/16531082/index.html Some possibly reputable sources have suggested using a little electri...

37 comments posted 18yrs

posted by BretCahill

37 comments posted 18yrs posted by BretCahill

Re: Energy from near space solar mirrors

> We can do the same for these > satellites by putting them on rectangular hydrogen bags which could > lift them the te...

1 comments posted 18yrs

posted by BretCahill

1 comments posted 18yrs posted by BretCahill

chemical inside old pressure sensor?

I am looking at an old Pressure Sensor with a dial display (shows Psi & inch hg gauge) on one end and a membrane type t...

2 comments posted 18yrs

posted by spmok2

2 comments posted 18yrs posted by spmok2

Load cells and accelerometers

Hi, I am not a mechanical engineer, and I got a bit confused about the terms "load cells" and "accelerometers": If I un...

5 comments posted 18yrs

posted by wilhelm.rainer

5 comments posted 18yrs posted by wilhelm.rainer

Determining Axle Load On Trailer Assembly

So here's the rundown. I work for a machinery moving company and we occasionally haul objects well in excess of 150 ton...

11 comments posted 18yrs

posted by joshyanny

11 comments posted 18yrs posted by joshyanny

[ADV] :: GeoTools V9, a productivity tool for the AutoCAD Mechanical engineer

G E O T O O L S 9.03 C O M M A N D S S N A P S H O T ------------------------------------------------------------------...

1 comments posted 18yrs

posted by rakesh.rao

1 comments posted 18yrs posted by rakesh.rao

Re: THE MIDDLE WAY

> WHAT 'S THE MIDDLE WAY? YOU ARE VIOLATING THE CHARTER OF THIS NEWSGROUP. APPARENTLY VIOLATING THE LAW IS THE MIDDLE WA...

0 comments posted 18yrs

posted by dlzc1

0 comments posted 18yrs posted by dlzc1