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, November 15, 2006

Disneyland - November 1st

So, here's the story.... Back in Fairbanks we have the Tanana Valley State Fair (TVSF) at the beginning of August, which is the highlight of every summer. You know the type; small town, artisans, the SUPER bad for you food, and best of all the amazing, exciting carnival rides. Now those of you from Fairbanks understand, but if you are not, let me just say that it hasn't changed much in the last 20 years :-) I figured out that after buying admission, food and the unlimited rides bracelet, we spend about $35.00 per kid to go. Which is no big deal, but this year it was rainy, and none of our buddies were going on a day when we could get away from the mad packing. After discussing it with Tamer, I approached the kids with the offer of a child's lifetime.... Skip the TVSF, and get to go to Disneyland in California instead! Their response was a surprised, stunned look and the question, "What is Disneyland?". Ponder that for a moment...... The boys are very well traveled, and I guess we kept them just sheltered enough to not be completely caught up in the character association of Disney, so sue us :-) Anyway, these are some of the pictures from our adventure at Disneyland. As you can see, there are no pictures of the characters, or many of the park, but I wanted to share our experience through the smiles on our faces....

If you have never been to Disneyland, I believe it should be called the Land Of Waiting... After manipulating the freeways into Anaheim from Palm Springs, I was already pretty spent, and the day had not yet even started.. We waited to pay for parking, waited for the shuttle to get to the park, waited in lane to buy tickets, and waited in line to get our tickets torn, to enter the amazing world of Disneyland! The great thing was that we were there off season, the day after Halloween, and the lines to get onto the rides, and to the attractions were very short.




Getting ready to conquer!! Na-na was really happy that she got to be with us for this visit to Disneyland. The last time I had been there was with her and my brother Chris when I was 17. We were really lucky that time because it was pouring down rain, and there were NO lines at all!




I am not quite sure what Blayde was contemplating at the Helm of Tarzan's Treehouse....




Valin and Drake enjoying the Carousel...




As you can see from the sunshine radiating over my little angels, the weather could not have been more perfect....




The happy crew!! This is the first time we had seen Shannon in quite a while, and before we knew we would be able to spend the week with her in Carlsbad. It was a wonderful blessing to have one adult for each of the boys, although they were wonderful about not getting separated from us.




THIS................... RIDE


IS.................. SOOOOO


MUCH


FUN!!!!!!!!!!!!!!!!!!!!!


My Mom, Kathy, getting ready to head into Tarzan's Treehouse.....



Valin, Shannon, and Blayde getting ready for Splash Mountain!




Na-na and the boys, at the very end of our 9 hour visit to Disneyland....

I think at this point, we had lost our conquering energy :-)


posted by CT | 7:51 PM

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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 =