Thanks Stefan, it's hard getting yet another garden railways group
started. Am trying to post more often.
I intend the loop for down travel only. I might find though that
long trains will bunch up and derail. I did run a single F unit up
it just to see what happened. Seems to be about 5% or more grade,
will calculate it.
Another loop would make the clearance between the tracks too small
for the locos, need about 10" minimum plus the thickness of the
structure that will completely support the track.
For continuous running, since I run DCC, I might crank up the back
emf setting so that the train will run at constant speed uphill or
down, it can be done.
This is a shortcut to allow continuous running of shorter trains
while being able to see the whole train from the back yard.
It's the only non 14' diameter track in the outer loop. Eventually,
the track will go past this part, and then go out to the front yard,
where I can use 14' diameter to get it back to the other end of the
--- In sandiegogardenrailways@..., "Stefan Gerris"
especially for the helix ;-). Clearances seem to be just withinlimits,
great!is a bit
steep if you intend to use it "uphill" as well. If you add theincreased
drag from the tight curve, it might be a bit much for an averageengine
with an average length train (what's average in your case?). Haveyou
tried this? Do you have room (heigth) for an additional loop? Ormaybe
elevate the stretch of track that is now on the floor in order toflatten
out the helix...? )?
Maybe you'll have to fit a speedbump at the bottom to preventspeeding =P