Log of SV Free Spirit and ships company

The chronicles of the schooner Free Spirit and her crew, embarking on an open ended journey upon the great rolling heap. Free Spirit is currently pursuing humanitarian and commercial goals in the Dominican Republic, on the island of Hispaniola. Working under the Ocean Reach USA and Paradigm Research banners, she is serving as logistics headquarters, workshop, and development laboratory for many ongoing projects. This is the log of her journey.....

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Wednesday, September 06, 2006

DHS / CBP Rant

Our trip has been fairly uneventful, with the exception of our reentry to the US from Canada.

We were detained and interrogated for about an hour and a half at the border by the DHS Border Protection people, AKA Jackbooted thugs. What really pisses me off is that for all their Interrogation, separating us, even attempting to interrogate our children, the bastards were too lazy to even search our utility trailer, which could have easily contained a 2000LB payload of god only knows what if we were truly a threat of any type. So, it was just harassment, no real reason, or they would have actually searched the trailer.

Interrogation subjects focused mostly on what my plans were , what I do for a living, how much money I have (not just with me, but in entirety), what my children (!!!) do on a daily basis, and other similar information that they have really no business asking. The process was standard interrogation 101, divide and conquer, try to get them to contradict themselves or incriminate themselves, veiled threats "have you ever been arrested BEFORE" stuff. (not at all like on TV, google and read up on it if you want to know more about interrogation techniques)

As it was, they tore apart the van and found nothing because we are law abiding citizens, not terrorists, arms smugglers, or drug traffickers. But I suspect that they knew that from the start. I have already undergone an extensive federal background check for other reasons, and I am sure that they had access to that information.

I think it was Ben Franklin who said :

"Those who would give up Essential Liberty to purchase a little Temporary Safety, deserve neither Liberty nor Safety."

Would he be billed as a left field whiner or a patriot in the current political clime? (and by who) A thought worth pondering, to be sure.

Friends, despite the best of intentions to secure our nation from the menaces of the modern world, we are treading on very, very, very thin ice here. It is but a very short distance between here and the "papers, please" of Nazi germany. Yes, we must end the scourge of terrorism and the ideologies that support it, but we must not become a police state in the process, or it is all for naught - the terrorists will have won by destroying the greatness of our nation.

There is risk in all worthwhile endeavors. The only risk free environment is a padded cell. We must keep this frmly in mind as we forge ahead to rid the world of the ideologies of extortion, lest we become enemies of liberty ourselves.


Fair winds and vote wisely, gentlereader.

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Introducing Propcalc 4.0

Use Propcalc to easily match your hull with your engine, transmission, and propeller
Put the known data in the top fields, then hit the Update button to get the answers.
Results, of course, should be verified by a Naval Architect or qualified surveyor.
Data is provided for three bladed propellers of average type
For two or four bladed props, use the modifiers shown below.

Fill out the fields as follows:

Vessel LWL (ft) = Waterline length
Vessel Disp (lbs) = Vessel displacement
(max) HP = Rated Engine Max HP
Engine RPM max = Engine RPM at Max HP
Engine RPM cruise = Desired or estimated cruise rpm
(Cruise or Max) Kts = Speed to work the calculations for
Slip = Propeller efficience. 45% is average for a displacement cruiser.
Gear ratio = 1: Gear ratio of transmission
SL Ratio Adj. = This value will be added (or subtracted, if a negative value) to the calculated S/L ratio.

Key information:

If the "hp required" is greater than the "cruse HP", you have your cruise RPM set too low for your engine parameters.
If the "hp required" is significantly less than the "cruse HP", you have your cruise RPM set too high for your engine parameters.
If the "hp required" is greater than the "Max HP", then your target speed is too high for your engine/hull parameters.
The S/L ratio is calculated automaticaly based on your input. It can be adjusted if necessary, but normally it should be left alone.
If the calculated S/L ratio exceeds S/L MAX, then the results are likely to be non-predictive. Try a lower speed requirement.
SL Ratios of 1.1 - 1.4 are typical of displacement hulls. Semiplaning or planing hulls can go higher.

Typical propeller slip values:

Sailing auxiliary, barges, etc less than 9 Kts............45%
Heavy powerboats, workboats 9 - 15 Kts....................26%
Powerboats, Lightweight Cruisers 15 - 30 Kts..............24%
High speed planing boats 30 - 45 Kts......................20%
V bottom race boats 45 - 90 Kts...........................10%


Note:

it is possible to get irrational answers by irrational input , I.E specifying excessive speed for hull type and length
Any attempt to exceed hull speed (1.34 times the square root of the waterline length in feet) with a displacement hull are likely
to fail unless the hull is extremely fine (multihull) or otherwise exceptional. In such cases, an S/L adjustment would be in order.

2 and 4 bladed props:


For two bladed propellers, multiply the diameter by 1.05, and the pitch by 1.01
For four bladed propellers, multiply the diameter by .94, and the pitch by .98


PROPCALC
  Inputs:
Vessel LWL (ft) =
Vessel Disp (lbs) =
  (max) HP =
  Engine RPM max =
  Engine RPM cruise =
  (Cruise or Max) Kts =
  Slip =
  Gear ratio = 1:
  SL Ratio Adj. =
   
    Solutions:
  Prop rpm max =
  Prop rpm cruise =
  Pitch =
  Diameter =
  Static Thrust =
  Cruise HP =
  Cruise HP% =
  SL Ratio =
  DL Ratio =
  SL Max =
  HP Required =