[gurps] Water Jet spell

[Jeff Wilson]

> From: "Gerald \"roguebfl\" Grenier" <roguebfl at gmail.com>
> On Fri, Jan 2, 2009 at 9:46 PM,  <midnightwind at comcast.net> wrote:
>> > All:
>> >
>> > Any thoughts from you engineering types on how much "thrust" the Water Jet spell provides at given energy inputs?
>> >
>> > The setting:
>> >
>> > Enchanted water jet device, self-powered with Power-3, as propulsion on a water craft.
>> >
>> > Any other thoughts?
> 
> A possible answer is zero. it might be designed so that the magi is
> not blow around like a bad cartoon holding a fire hose.

This is correct per previous rules discussions; jet spell effects emerge 
  reactionlessly with regard to the caster. However, the finger or wand 
can be aimed against a pusher plate, into a bell chamber, over a paddle 
wheel, onto sails, etc. and the normal reaction used to propel a 
vehicle, even one that the caster is riding.

-- 
Jeff Wilson - jwilson at io.com
< http://www.io.com/~jwilson >