pHred
  • Member for 4 years, 10 months
  • Last seen more than a month ago
  • Newcastle NSW, Australia
Jet Boat Engine Part Identification
2 votes

Combined thrust bearing and shaft seal / stuffing box. Yes, it's really called that. The nipple on top is to inject lubricant which has dual function of preventing water ingress to engine compartment....

View answer
Name of a keel between the bilge keel and the main keel
Accepted answer
2 votes

Sister keelson definitely does not translate to conventional marine usage. There are a couple of terms that apply to similar structural elements. Strake. A longitudinal hull element that may be ...

View answer
What emits more radiation, cell network or wifi?
1 votes

So, after a little googling around. Cellphones typically transmit on 3/4 G at between 0.3 and 3 W - subject to tower location & interference. The out put power is managed by the cell tower. ...

View answer
Part to "increase" the diameter of a small shaft, what is is called?
1 votes

This could be called a bush but as no rotary motion it's probably more correct to call it a sleeve.

View answer
What must the ideal sampling rate be, to sample an input in regards to PLC's?
1 votes

The short answer to your question is 13 ms. You should review the Nyquist-Shannon theorem here. For a bandlimited signal the sampling frequency needs to be >2f. If your input signal is digital then (...

View answer