Anyone made an exhaust flapper for one of their models?

Anyone made an exhaust flapper for one of their models?

This topic has 7 replies, 5 voices, and was last updated 12 January 2021 at 22:45 by Nigel Graham 2.

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12 January 2021 at 00:45 #519226
Blue Heeler
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@blueheeler
Anyone made an exhaust flapper for one of their models?

Do you have any photos you can share?
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12 January 2021 at 00:45 #27886
Blue Heeler
Participant
@blueheeler
12 January 2021 at 01:51 #519228
Paul Lousick
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@paullousick59116
Which models ? (And in the words of one of our red headed polititions "Please Explain" )
12 January 2021 at 01:58 #519229
Blue Heeler
Participant
@blueheeler
Posted by Paul Lousick on 12/01/2021 01:51:27:

Which models ? (And in the words of one of our red headed polititions "Please Explain" )

One of these but sized for a model engine.
12 January 2021 at 07:00 #519235
not done it yet
Participant
@notdoneityet
They are to keep the rain out, so are these for internal combustion engines? They would ‘strangle’ a chimney.
12 January 2021 at 07:34 #519239
JasonB
Moderator
@jasonb
I've seen them on the model Holt engines with their vertical stak, seem to run fine with one.

Trick is to make the "cap" as light as possible and have the vertical part in your photo only just lighter so it counterbalances almost all the weight of the cap but still allows it to close.
12 January 2021 at 22:32 #519448
Blue Heeler
Participant
@blueheeler
Thanks Jason.
12 January 2021 at 22:45 #519455
Nigel Graham 2
Participant
@nigelgraham2
They are an internal-combustion device. You see them, with or without the little counter-weights, on lorry exhausts that point vertically upwards above the cab roof.
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