Mamod Brunel - Mark 3
Mamod Brunel - Mark 3
Guess it takes some time to get used to it.
And some modifications are needed.
Looks like the exhaust outlet has threads.
What kind of threads?
Re: Mamod Brunel - Mark 3
Could it be BSW 5/32" x 32?
(I'm more familiar with metric threads.)
Re: Mamod Brunel - Mark 3
If the Mamod copper pipes are 1/8", I guess it makes more sense if the outlet is BSW 1/8" x 40?
I can easily push an M3 in without resistance, so a 1/8-40 might be a rather loose fit.
To do test runs indoor I made a condenser. The copper pipe used is 3 mm, just screwed in.
I can easily push an M3 in without resistance, so a 1/8-40 might be a rather loose fit.
To do test runs indoor I made a condenser. The copper pipe used is 3 mm, just screwed in.
Re: Mamod Brunel - Mark 3
Being used to noisy burners, it took some time to figure out that the ceramic burner is totally silent. Only a very small turn of the gas valve is needed. The burner starts with a blue flame and then turn into glowing red.
Don't look down the chimney!
I don't see any reason to lift the boiler from the footplate with washers. Maybe Mamod has made the holes in the frame larger?
The cylinder was leaking and left a lot of water and oil along the track, so I replaced the o-ring on the cylinder rod inside the cylinder with teflon string. Now it runs much better and without leaking.
Don't look down the chimney!
I don't see any reason to lift the boiler from the footplate with washers. Maybe Mamod has made the holes in the frame larger?
The cylinder was leaking and left a lot of water and oil along the track, so I replaced the o-ring on the cylinder rod inside the cylinder with teflon string. Now it runs much better and without leaking.
- Old Man Aaron
- Trainee Driver
- Posts: 824
- Joined: Wed Oct 19, 2016 11:08 am
- Location: Sunshine Coast QLD, Australia
Re: Mamod Brunel - Mark 3
The boiler bands really balance the look of the thing. I really do like these little Mamods.
How much are you pulling on that single cylinder, anyway?
How much are you pulling on that single cylinder, anyway?
Regards,
Aaron - Scum Class Works
Aaron - Scum Class Works
Re: Mamod Brunel - Mark 3
Haven't done any explicit pull tests. Load has so far been six small LGB wagons with metal wheels and metal buffer couplings, so heavier than the originals. Running fine at a small layout with very tight curves, ie. Faller e-train track 36 cm radius.Old Man Aaron wrote: ↑Wed May 15, 2024 3:45 pm How much are you pulling on that single cylinder, anyway?
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