The Complete Canal Priests Of Mars is now available!The original publication of Canal Priests Of Mars cut slightly over a third of author Marcus L. Rowland's manuscript to fit GDW's adventure format. The Complete Canal Priests Of Mars restores the cut material, features all new artwork by Paul Daly, and adds many useful player handouts. Enjoy the "author's cut" of a classic Space 1889 adventure, or experience it for the first time!
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Despite the fact that space travel and flight are almost wholly dependent on liftwood, little is known about the plant's biology. It should be emphasized that much of what follows is based on examination of a very small number of specimens; liftwood species only develop their antigravity properties in the soil of the remote high kraags of Mars, and expeditions to these regions are invariably attacked by thieves or the barbaric High Martians. There has been little opportunity to study these curious plants in their native habitat. The physics and chemistry of the liftwood effect remain an enigma.
Thus, it seems clear that the soil fulfills some nutritive need; the antigravity effect is secondary to this need.
As yet it has proven impossible to make a careful survey of many liftwood groves. On the evidence available, it would appear that similar liftwood plants are found in widely separated areas of Mars, but the other species associated with liftwood groves are far more varied, often unique to a single mountain. Two conclusions are possible: Either the liftwood species have been widely distributed by the High Martians, or their spread is aided by their remarkable properties. Although the High Martians undoubtedly cultivate and spread these plants, discoveries of isolated plants and untended groves suggest that they can spread unaided. Wild liftwood is generally 10 to 20 percent weaker (in terms of the antigravity effect) than cultivated plants. Wild liftwood also gives lower yields of usable straightgrained wood. A rumor persists that wild liftwood is better, but this is untrue.
On Earth most seeds are distributed by animals or the wind. On Mars there are significant barriers to animal distribution, primarily huge expanses of and land where animal life is scarce. Liftwood plants have an additional handicap - their need for special soils. To take full advantage of suitable habitats, all known liftwood species are able to propagate by the use of runners (like banyan or strawberry plants). However, dispersal beyond these areas requires a mobile seed; in view of the vast distances involved, a flying seed is preferable. The three species studied all produce seeds which show the liftwood effect. Escaped slaves report that High Martian liftwood farmers remove most of the seeds as they form; thus, this may make the trees retain more of the liftwood chemical and is possibly one of the reasons why cultivated liftwood is more powerful than wild plants.
L. edensis shows a good example of this form of seed dispersal. The pea-sized seed trails thin root-like tendrils which do not have any gravity-negative property. The seed is initially able to lift its own weight plus the weight of the tendrils. Seeds float slowly upward from the plant, dispersing widely on the mountain updraft. After a few hours, the seed loses a little lift and is gravitationally neutral, staying at a constant altitude for weeks or months. Not surprisingly, this altitude happens to be ideal for the species. Drifting flight continues until the tendrils touch any solid object. Within a few moments of contact, the seed loses some buoyancy and sinks until approximately half the length of the tendrils rests on the ground. With some of the load removed, the seed remains airborne and continues to drift, dragging the tendrils behind it. When the tendrils encounter a patch of suitable nutritious soil, thin root hairs dig in to anchor the seed and slowly pull it into the ground.
One drawback of the method used by L. edensis is that the low-altitude flight is triggered by accidental contact with the ground. Given a strong updraft, it is possible for such seeds to encounter a mountain and fly over it without ever making this initial contact.
This problem is avoided by the acorn-sized seeds of L. aeria. L. aeria secretes the lift chemical in the seed and in leaf-like vanes attached to it. The vanes are arranged to make the seed spin if they catch the wind. The seed trails a single tendril with a bulbous tip. Like L. edensis, L. aeria is initially gravity-neutral. However, after a few days, the vanes dry, and their point of attachment becomes extremely brittle. If the seed then encounters turbulent winds, such as the updrafts near a mountain, the vanes snap off, and some lift is lost. The seed descends until the tendril touches the ground and commences low-altitude trailing flight, in the manner of L. edensis. If suitable soil is encountered, four barbed hooks spring out, anchoring the seed while the root tips grow. Extension of the hooks takes approximately three seconds and appears to use a mechanism similar to the collapse of leaves on the Terran mimosa plant.
A simpler method is used by L. arabia, the smallest of the common liftwood species. Thousands of tiny seeds are produced, each topped by an oval disk - a 'float' of gravity-negative material. This seed is stable in calm conditions but tilts and loses much of its lift when it encounters turbulence. It then descends randomly and starts to grow regardless of the type of soil. Most of the seeds die, but a small portion fall onto suitable soil.
At least two other liftwood species may exist, but they are only known from second-hand accounts, wood, and fruit. As yet, no Terran scientist has seen the actual plants, and scientific names have not been assigned.
Unfortunately, it took some time to arrange the hire of a steam launch and other equipment, and the departure from Parhoon has delayed until February of 1888, a few days before the Kraag Barrovaar incident.
For some time, there was no news of the expedition, and it was feared that the explorers had been caught up in the fighting that led to the Oenotrian War. These fears were justified; an Oenotrian Bloodninnerkite encountered the launch on its return journey and attacked it.
The scientists (armed only with a Nordenfelt machinegun and small arms) retaliated by running the launch into the kite's sails and setting them on fire, then picked off the kite's crew as they tried to extinguish the blaze. The kite ultimately crashed, with no survivors. The launch was badly damaged in the fight and made a forced landing in the Meroe Badlands. The scientists escaped across country and eventually reached Parhoon but were forced to abandon the soil samples and most of their equipment. Otterwood's leg was broken in the crash and became gangrenous during the return journey; he died less than a week after the expedition returned.
Seed specimens and drawings returned by members of the expedition were one of the principal sources for this article.
L. edensis gives less lift than normal liftwood - usually 50 tons per hull size number but up to a maximum of 80 tons per hull size number. It costs £3000 per hull size in Martian yards, £5000 per hull size in British yards. However, the disadvantages of this wood mean that no yard routinely stocks it. It must be ordered (delay 1D6 months) or supplied by the purchaserof the hull. In practice, it is mainly used for small craft, conveyers, and other applications where strong lift capability isn't needed. To calculate the lift of a hull built from L. edensis, use Lv=50HS/T.
For a steel hull (British yards), add £2000 per hull size to the cost of the wood.
If these variant woods are used, the exact type of hull should be noted on the ship record form (e.g., L. arabia wooden hull, steel-clad L. edensis, etc. For game purposes, species of liftwood with different lift values cause trim instabilities and cannot be mixed in the construction of a hull.
Seerdiik is not available for ship construction.
Map: Use the Kraag Barrovaar map from Sky Galleons of Mars. Each brown line is a terrain boundary. The highest point on the map is at high altitude. Ignore all ground installations apart from the trees on the smaller peak.
Ships: The British have an aerial steam launch:
Move: 5; Hull Size: 1; Armor: 0; Bridge: C, H, T; Passengers: 4; Wpn: Nordenfelt gun bearing forward, port, starboard; Cost: £4840; Weight: 50 tons; Max. Height: VH.
All passengers and crew have modern rifles. The passengers of the launch count as Green crew when using weapons; one of the passengers must man the gun. For ship plans and other information, see Space: 1889.
The Martians have a standard Bloodrunner kite with a Trained crew.
Setup: The British launch begins landed on the smaller peak, height Medium. The Martin kite begins on the edge beyond the other peak, height High.
Special Rules: Neither craft is a military vessel, but the kite captain is sure that he can take on one puny launch. He will attack until his ship is damaged or crew is killed, then try to withdraw. The British launch must defend itself, and the captain won't willingly retreat from natives without serious damage. For the purposes of this combat, a boarding party may deliberately start fires with damage value 1.
Victory: The British win if the kite retreats off the map or is destroyed or disabled, and they are then able to leave the map. The Martians win if the launch is captured, destroyed, or disabled.
Posted Monday, 04-May-2009 19:52:42 EDT