Steam Turbine powered Quadrupedal Walker!

#1
A quadrupedal walker driven by a steam turbine. Glitchy as heck, and only works in invincible mode, but it shows it can be done. I'm not quite sure why it walks in a circle - probably the turbine exerting a torque or something.

[video=youtube;489tZiGokkA]https://www.youtube.com/watch?v=489tZiGokkA&feature=youtu.be[/video]

The basic walker mechanism is by FRizB - see http://forum.spiderlinggames.co.uk/f...alker-tutorial

Y to start, F for flame from snout. It may take several attempts to persuade it to walk properly - the drive mechanism is put under a lot of strain, and tends to jump gears.

Please don't upload the bsg files elsewhere without linking this thread.

Edit: I've now added a bsg for the less-glitchy SW-16 version.

Attached Files
SW-12.bsg
SW-16.bsg
 

ITR

l̺̤͈̘̰̺͉̳͉̖̝̱̻̠̦͈ͅ֍̫̜̥̭͖̱̟̟͉͙̜̰ͅl̺̤͈̘̰̺͉̳͉̖̝̱̻̠̦͈ͅ
Staff member
#2
Hmm, it seems kinda wobbly every now and then
 
#3
Yup - the last gear in the drive train tends to slip (it has the most torque, obviously). I might be able to double up the gearing for this, by adding a second gear driving the large front cog, which would spread the load - I'd need to still keep them connected by cranks though, as they need to stay in sync.
 
#6
I've done a bit more work on it, and it is now a little bit more reliable, I think.



I added an extra drive gear for the front, to spread some of the load - the gears don't slip so often now. I also discovered that it ran just as well with only a single row of steam cannons, so I removed the second row. This not only reduces the weight but seems to make starting smoother.

I've not been able to find any reliable way to make it go straight - softening the suspension on one side seems to help, but this makes it prone to more glitches. I might try mounting the turbine sideways, to cancel out the torque effects.

I'll add a bsg for this version (SW-16) to the top posting.
 
#7
Another approach - the Steam-Turbine Elephant: :D





Tends to walk with a limp, and glitches can sometimes suddenly throw it skywards - with fatal results: :(



I'll upload a bsg if I can cure some of the glitches.
 
#8
More progress on the original walker design. I've added reverse, and torque reaction steering. It seems to work ok, though it isn't the most manoeuvrable of designs - did real dinosaurs have to do three-point turns to get around tight corners? ;)



I'll upload a bsg when I've done some more testing, along with the Elephant, which is also progressing well.
 
Top