I got the sense that HEPlaR was designed to add drama to space battles; having one more constraint to worry about makes for more exciting tactical dilemmas. But it also plays royal hell with a lot of baked in assumptions of previous versions of Traveller, such as it being fast and easy to accelerate to 100D and then decelerate from 100D to your destination, that you can zip from Terra to Jupiter (or equivalent) to skim fuel in a few days, andso forth.

Note that HEPlaR really implies use of CG and weak auxiliary thrusters (hydrazine? LOX/H2? Compressed air?) to climb to significant altitude before engaging maneuver thrust. Dirtside facilities and their surroundings would not work out at all well if they were subjected to extremely high-energy plasma beams many times a day. Other ships in the traffic pattern would also be unlikely to appreciate being hit by such beams.

On Mon, Oct 9, 2017 at 5:11 AM, Phil Pugliese (via tml list) <xxxxxx@simplelists.com> wrote:

I've always wondered if TNE stuff like Heplar, etc, were an attempt to get away from MT's 'plates' & back to CT's 'nozzles'.

For myself I never did care for MT's take on the subject so I stuck with CT for that.
Besides, I really liked those CT deckplans w/ the M-drive nozzles in the back.

Also, since it only takes a extra 1/100th of a G, above local grav, to actually lift -off w/o anti-grav (which *everybody* must have anyway) it really shouldn't be that much of an issue.
The way I play it, the vessel lifts, like a grav-sled, &, after achieving the proper height, zooms off.
From: Richard Aiken <xxxxxx@gmail.com>
To: tml <xxxxxx@simplelists.com>
Sent: Monday, October 9, 2017 3:38 AM
Subject: Re: [TML] 1G ship vs Size 8 world.
On Fri, Sep 29, 2017 at 7:35 PM, Grimmund <xxxxxx@gmail.com> wrote:
Real ships would have all sorts of fractional G ratings.

Play GURPS Traveller, but using GURPS Vehicles (rather than the simplified GT )rules to build ships. You can get *really* detailed about actual thrust.

Or use one of the two methods I favor, when ships IMTU need just a *bit* of extra thrust:

1) Booster Boats - I put carried small craft in strong external cradles, so that they can use their own thrusters to provide the boost necessary to compensate for their extra "carried" mass.

2) Antimatter Afterburners - A bit of extra thrust in your fusion exhaust for very little extra mass!

--
Richard Aiken

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