The new blades are going to be manufactured using reengineering approach. In this case the grooves measurement is important, to do it the grooves should be cleaned to get rid of a scale ( I am not sure if "scale" is a proper word). A method we using to get the grooves cleaned is aluminiun oxide blas
Category Archives: Aerospace
PID
HI ALL
ANY ONE KNOW WHY THE PROPORTIONAL CONTROLLER GIVE THE OFFSET ERORR. GIVE THE REASON
J. F Kennedy "Bullet"
Hi
Still the mystery surrounding assassination of J.F.Kennedy 1963, its surprising with developments on science that nobody has come up with solution as to how many/who was involved (weapon's fired). With all the still photo's and newsreels available, bullet(s) would be in pictures! And sho
P-91 Welding
ASTM A335-09a, paragraph 9.3 specifies a hardness range for the finished materail (Post heat treatment), however, both ASME B31.1 and ASME Section I do not specify a maximum hardness for PWHT of the welds. Is there an industry standard (Refinery, Power, etc) that establishes a "best practice" hardne
Getting Rid of House Odors
The property in question was rented to people who had a large dog. The two story house, with a full concrete basement, is now vacant. A strong unpleasant smell is present throughout the house, but more especially on the main floor near the front entrance door. I tried sopping the entrance area floo
Rust Converter
What would cause a gallon of freshly prepared rust converter to bulge? Would the gas be hydrogen? Is this cause by metals in the formula? Which ones?Can something be done to prevent this bulging? Could the bulk of rust converter still be used? thanks!
Advice Regarding Car Engine Oil
Could you please help and advice me to choosing the better and the good car engine oil. Frankly I don't understand dose there any effect if I replace by another oil type for my car engine. Normally I send my car to the agency to replace the oil after complete 5000km/h is this right or I can use the
Tips for Reducing Belly and Weight
Please give me tips to reduce belly and weight.
How is the Conversion factor (V/f) used in VFD?
I have been reading information on VVVF (VFD) and came across this Conversion factor (V/F). How is it used in frequecny or voltage variation in the VVVF (VFD)?
Whey Protein
Want to know what is "Whey Protein"? and all of the chemicals and toxic things in it?
Any reliable online source for online studying?
Well Head Control Panel
I need a detailed description / Functionality of a well head control panel.
Ehidek from Nigeria
Machine Design
I have searched in transformer design and I want to know how I design it please give me information or name of references.
Pioneer in Sickle Cell Genetics Dies at 89
Dr. Helen M. Ranney, a hematologist who pioneered sickle cell genetic research in the 1950s, died early this month at 89 years old – one week short of her 90^th birthday.
Ranney's revolutionary research was the earliest link between heredity and sickle cell anemia. Little
Product Review: SteelSeries Siberia Headphones
If you're like me and listen to lots of music, headphones are a necessity. I have a pair that I keep at home, a pair for working at the office, and a pair for when I'm outdoors. Recently, the Sennheiser PC156 headphones that I'd been using in the office started showing some wear and tear. They
Foods Not Suitable for Vegetarian Consumption (Part 2)
In part one, foods that are usually considered vegetarian are shown to have animal by-products in them. In this part, we will consider products that are consumed by people that have animal by-products or use animal products in the process.
Medication
You know those gel-capsule
Computer Info Note From CR4 Past
us-cert@us-cert.gov is a web internet service that provides alerts. Chtank turned us onto it some years ago.
There is a Safari warning out today on it.
If you are in IT, or just online, the notices of internet events and threats is good to know of.
I appreciated the heads up from Chtank, a
203ºF vs 212ºF For Brewing Coffee
I'm watching a bit on TV about brewing coffee. They say that 203°F is the ideal brewing temperature.
They say that if the water boils it "burns" the coffee. So, if we assume that, at sea level, water boils at 212ºF is this enough added heat to spoil the coffee?
Or, is it the re
WISH TO KNOW MORE ON PROSTHETIC MOTION CONTROL FOR AMPUTEES
Am a prosthetist and orthopaedic technologist whom wish to know more on design and fabrication of high technology prosthesis.Do you have information on prosthesis? if yes,please kindly inform me.
Thanks.
Prosthetic Vies for Hi-Tech Award
From BBC News | Science & Environment | UK Edition:
A prosthetic foot that mimics the muscle actions of real feet has been short-listed for the UK's top engineering prize. Four projects are on the shortlist for the Royal Academy of Engineering MacRobert Award, worth £50,000.
Runaway Toyota Training Videos
I know its been discussed before but this is mainly to educate those out there who have these cars and what to do.
http://www.youtube.com/watch?v=FT07_JbnKWQ&feature=related