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Wednesday, May 05, 2004

My assessment of Privateers Bounty is that it is too easy to damage enemy ships

I have been struggling to understand why the Dutch did better in the First Anglo-Dutch War than they do in simulations with Privateers Bounty. My latest theory is that it is too easy to inflict damage on enemy ships (generally). A counterpoint to that is that English 2nd Rates, such as the James and Triumph act as if they were super-dreadnoughts, in their ability to take Dutch fire and not take crew or hull damage.

I suspect that part of the issue could be that using the English burden as a defense factor may not actually be representative of real ship performance. Of course, I have been using a "hull value" for more than a decade, and it was based on dividing the burden by 3. So I have been doing the same thing, myself. I have used a variation of Paul Hague's detailed rules that I developed in 1990, so that I used his "firepower factor", which took the broadside weight, in pounds, and divided by 20. I calculate the "hull value" by dividing the English burden, in tons, by 3. Thus, the Mermaid (5th Rate), of 1651, would have a hull factor computed as follows:

hull factor = 286/3 = 95.

I always round the hull factor. For the "firepower", I do something different. I fix the calculation so that if a ship has a broadside weight greater than zero, then the minimum value is "1". The calculation is:

Round(0.5 + (BroadsideWt / 20)).

Namely, I add 0.5 to the result of dividing the broadside weight by 20, and round the result to the nearest integral value.

All the information in the scenarios is available

The ship definitions are all available in Word documents. I need to modify my Smalltalk code to extract the ships into separate files, based on their country (now that I understand the country codes). Still, I have most English and Dutch ships already extracted into Word documents, that I would make available, on request. The scenarios largely are documented in Word documents, as well, including the OOBs used. The OOBs are all scaled down to fit into the constraints of Privateers Bounty.

I wanted to say some more about my last post

One thing that is striking about the two lists of survivors is that the English were much more heavily damaged than the Dutch. The Dutch still had little choice but to concede, as there were so many more English ships, and they were generally more heavily armed.

A point to realize is that both the fleets started with approximately equal numbers. Of course, the Dutch fleet was much more lightly armed than the English. Even ignoring broadside weight and just counting guns, there was a great difference. The results, however, show the folly of facing ships with demi-cannon (32pdr) and culverins (18pdr) with ships mostly armed with 8pdrs and 12pdrs on the lower tier. There were a few exceptions. The East Indiaman Vogelstruis had 18pdrs on the lower tier. The Brederode had 4-36pdr, along with 24pdr and 18pdr guns. The upper tier was armed with 12pdrs, in her case.

The Dutch didn't fix their "armament problem" completely until the Third Anglo-Dutch War. In the second war, many "battleships" were armed with 18pdrs on the lower tier and faced English ships with demi-cannon. Finally, in the third war, De Ruyter's flagship had a complete lower tier of 36pdrs.

Tuesday, May 04, 2004

I collected some data on a Battle of Portland simulation

I ran the Battle of Portland scenario, and used my usual tactics for the Dutch. The only problem, really, was that several times, while steering by the helm, when I took the mouse off the helm, it swung. That caused problems, obviously, as the ships went in odd directions, which caused some ships to get too close to the English. Also, some ships are inherently less maneuverable or slower, and they tend to get separated and overwhelmed. I decided that it would be interesting to record the surviving ships and their condition. The summary is that 73% of the English and 41% of the Dutch remained (or at least that was the battle strength left, in Privateers Bounty terms). It is worth remembering that the scenario has to use reduced numbers, as the total ships are limited. I typically limit the total numbers to about 82.

 

 

Ship

Guns

Hull

Sails

Crew

Advantage (prize)

26

65

95

90

Adventure

36

65

90

90

Amity

36

80

90

95

Anne and Joyce (M)

34

60

45

75

Centurion

36

35

70

70

Convertine

44

70

70

90

Diamond

42

85

50

90

Dragon

38

55

60

80

Entrance

44

90

65

85

Fairfax (1)

52

95

85

95

Guinea frigate

32

65

35

90

Katherine (prize)

24

50

70

70

Laurel

48

50

70

85

Merlin

12

50

60

90

Nonsuch

40

45

35

80

Pearl

24

20

60

70

Prosperous of London

42

70

65

80

Providence

32

60

75

90

Rainbow

52

100

70

90

Richard and Martha (M)

40

90

65

95

Roebuck (M)

30

45

80

70

Ruby

42

50

50

70

Sampson (prize)

26

85

70

95

Sapphire

38

35

70

80

Speaker

56

90

60

90

Triumph

62

100

80

90

Vanguard

56

100

75

95

Victory

60

95

75

95

Worcester

42

95

45

80



 

 

In addition, the Paradox had been surrendered, but was still afloat.

 

 

Ship

Guns

Hull

Sails

Crew

Arke Troijane-AD

28

100

100

100

Brederode-R

54

100

100

100

Eenhoorn-NQ

30

100

100

100

Elias-AD

34

100

100

100

Faam-Z

30

95

90

95

Gelderland-R

26

100

98

99

Hollandia-38-Z

38

100

95

100

Liefde-1-Z

26

100

100

100

Prins-RD

28

100

100

100

Prinses Albertina-F

24

100

70

100

Prins te Paard-RD

38

80

75

90

Sara-F

24

95

100

100

Vlissingen-Vli-Z

26

100

100

100

Vrede-A

44

100

100

100

Vrijheid-A

44

90

40

90

Wapen van Zeeland

30

100

80

95



 

In addition, the Vogelstruis (40 guns) and Gecroonde Liefde (23 guns) were surrendered but still afloat.

 

 

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