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Old 27-06-17, 10:13 PM   #61
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https://www.youtube.com/watch?v=845v_iMspL8&sns=em

https://www.youtube.com/watch?v=Xv6NutYMg0Q&sns=em

Hopefully those two videos will explain what I mean...

first on was my Amanco
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Old 27-06-17, 10:16 PM   #62
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Could you (or anyone else) give me the 'science bit' on that Rob?

EDIT; Not taking the p*** - genuinely interested.

NHH
From my own observation with the Amanco exhaust is it does absolutely cock all to silence the engine and about all it does is stop rain getting in and gives a certain amount of back pressure in doing so.
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Old 27-06-17, 10:28 PM   #63
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Quote:
Originally Posted by Appletop View Post
https://www.youtube.com/watch?v=845v_iMspL8&sns=em

https://www.youtube.com/watch?v=Xv6NutYMg0Q&sns=em

Hopefully those two videos will explain what I mean...

first on was my Amanco
Got to admit that does sound a tad strident - I'd forgotten how much l don't like the non hit-and-miss versions!

NHH
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Old 27-06-17, 10:42 PM   #64
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Like a bag of bricks in a 205lts drum......
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Old 28-06-17, 12:20 PM   #65
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When I first got it the governor springs had been removed I assume to slow it down. I fitted them and adjusted the weights so that at full travel the throttle plate was virtually closed. The springs with the weights at rest are virtually doing nothing but with no slack or tension if that makes sense.
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Try slowing the engine speed down. Throttlers do run best at speed, but they can be slowed down and when set up right and running light they don't fire every 4th stroke. Even throttle governing allows a few turns without firing. Governing is about managing engine speed, not power per-se.

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Old 28-06-17, 12:22 PM   #66
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I think that is a fairly accurate technical summation of my standard exhaust
When all is said and done its just an open pipe with a rain hat.
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From my own observation with the Amanco exhaust is it does absolutely cock all to silence the engine and about all it does is stop rain getting in and gives a certain amount of back pressure in doing so.
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Old 28-06-17, 07:39 PM   #67
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Try setting the governor so the butterfly is fully closed at about 3/4 travel.

Dazzla
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Old 29-06-17, 09:56 AM   #68
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OK I'll give that a go this weekend.
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Try setting the governor so the butterfly is fully closed at about 3/4 travel.

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