THE SUMMERLANDS CHUFFER
Roundhouse Chuffers
SCRH1
(Twin Exhaust)
Argyll
Bertie
Billy
Blanche
Carrie
Charles
Darjeeling B
Dylan
Fowler
Jack
Katie
Lady Anne
L&B
Linda
Millie
Russell
Sandy River No24
Sammie
William
Charles pooter
Old Colonial
Please note that some early locos have short exhaust stubs and will need a longer pipe - please contact your supplier.
SCRH2
Vale of Rheidol
SCRH3
Silver Lady
SCRH4
Taliesin
Late batches only with the Z shaped exhaust - not the L shaped exhaust (which cannot be modified). Your Z exhaust needs to be sent to D P Supplies for modification.
SCRH5
Tom Rolt
SCGP3
Forney
SCGP1
Atlantic (a difficult fit - see the notes here or the Chuffer-fitters)
Leek & Manifold
Other Chuffers
SCB1
Bowman 234
The Summerlands Chuffers
Pictured here on the left is our standard Summerlands Chuffer. It is machined from solid brass to a design that has been proven, through extensive testing and customer trials, to give an excellent chuff.
The Chuffer itself consists of a jet within a narrow throat. This has our specially designed sounding slot, hand cut into the machined body. The body above the slot is machined out to give the maximum volume for resonance.
The Standard Chuffer itself is 48mm long and must be mounted within the chimney of the loco so that the slot is inside. This gives a secondary resonance which amplifies the sound. If it is mounted with the slot in the smoke-box, it muffles the sound. We also make a Short Chuffer, which is 43mm long for use in short chimneys such as that on the Roundhouse Taliesin and can make them even shorter to order.
The Standard Chuffer diameter is 6.35mm but we also make smaller 5.55mm and 4.76mm versions for narrower chimneys as well as custom designed ones for odd shaped chimneys.
Our range of adapters, including the unique Roundhouse Twin-exhaust one, will allow you to fit a Chuffer in the correct position for maximum Chuff
Each Chuffer is machined by master Chuffer-Maker, Nigel Garrett - who also test blows every one to check for the purity of chuff ...... you think I'm joking don't you! Just ask him!
Sounding slot.
Summerlands
Chuffer
The Chuffer Adapters
Roundhouse Twin-exhaust
This is a precision machined, brass adapter which is a push fit on to the two cut down exhaust pipes. This avoids the need for any silver soldering - it is just a matter of removing the smoke-box and following the straigtforward instructions.
Roundhouse Vale of Rheidol and Silver Lady
This is a single pipe adapter which is a screw in replacement for the factory exhaust.
Roundhouse Taliesin
This is not an adapter - the special, shorter Chuffer is silver soldered to the Z shaped exhaust at our works. Please note that this is a Special Order item and that it is not suitable for the early L shaped exhaust models where the exhaust pipe tilts, rather than swivels, in the chimney. If you have one of the early ones, you might like to contact one of our Chuffer-Fitters who can convert your loco.
Accucraft Standard fitting
These have the standard 3mm thread machined in brass on the bottom of a replacement exhaust. They are simply different lengths for the different models to optimise the position in the chimney - from the Ruby right up to the mighty K-28 (so far!) Fitting is straightforward - just follow the instructions.
Accucraft Shays
The 2 cyl Shay has a 5mm adapter to be a straightforward screw in replacement for the factory unit. The 3 cyl shay has a 4mm adapter and the narrower bore 7/32" Chuffer as the chimney stack is very narrow.
Accucraft Earl & Countess
This is similar to the other Accucraft adapters but it is supplied in two parts to overcome some variation in the angle of the exhaust thread. Full instructions are supplied.
General Purpose Fitting
These Chuffers have a simple tube to push fit over your existing exhaust pipe. They are available for 1/8", 5/32" and 3/16" exhausts.
Accucraft
Chuffers
SCAC1
Ruby types (also see SCAC1-S below)
Mimi
Forney
Excelsior
Leader
SCAC1-S
This is the same fitting as the SCAC1 but uses the narrower 7/32" (5.5mm) Chuffer. It is best for modified Rubies where there is a narrow (10mm down) diameter stack.
SCAC2
Lawley, Edrig, Caradoc
Mortimer, Wrekin, Superior
Joan, WD Baldwin, Ragleth
SCAC3
Earl, Countess
SCAC4
Mogul
C-16
SCAC5
L&B Lyn
SCAC6
2 Cyl Shay (MIch-Cal)
13 ton Open Cab
SCAC7
Baldwin 4-4-0
(please not that a mod to the stack may be needed)
K-27
SCAC8
C-21
SCAC9
3 Cyl Shay
SCAC10
C-19
SCAC11
K-28
SCAC12
K-36
SCAC13
NG15
SCAC14
Climax
SCAC15
Caledonia
SCAC16
Pending
SCAC17
EBT No.12
SCAC18
SP 8&9
SCAC19
K4 (1:29) scale
SCAC20
AML USRA 0-6-0 1:29 scale
General Purpose
Chuffers
SCGP1
1/8" (3.2mm) Exhausts
Chuffer is supplied with 25mm tube
Mamod loco (original series) PPS Janet, IP Jane, MSS
Roundhouse Atlantic
Regner Lumberjack and Vincent (and maybe others)
Pearce Earl/Countess, SLR Hunslet, L&M
Merlin Hunslet
Locobox Sophie
SCGP2
5/32" (3.96mm) Exhausts
Chuffer is supplied with 25mm adapter tube
Aristocraft:
Mikado
Cheddar locos:
Iver
Locobox
Darj Garratt
Regner
Thusis/Heidi
Aster/LGB
Frank S
SCGP3
3/16" (4.75mm) Exhausts
Roundhouse Forney
Cheddar Locos:
Goliath
Reisa
Samson
Hercules
SCGP4
This is a version of the SCGP1 for 1/8" exhausts but with a smaller 7/32" (5.55mm) diameter Chuffer for narrow chimneys between 8.5 and 9.5mm, e.g. Merlin Mayflower and New Mamod Mk II. The chimney must have an internal length of 47mm
SCGP5
This is a version for 1/8" exhausts but with an even smaller 3/16" diameter Chuffer for very narrow chimneys between 8 and 8.5 mm internal diameter. The chimney must have an internal length of 47mm.
SCGP6
This is a version for twin exhaust locos with chimneys between 8 and 8.5mm. This will usually be locos using Roundhouse cylinders such as Brian Wilson's "Jack"
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