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Jun 14th, 2026
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Joined: Aug 2019
Posts: 792 Likes: 143
Talk Morgan Regular
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Talk Morgan Regular
Joined: Aug 2019
Posts: 792 Likes: 143 |
Your solution looks very nice.
Personally, I am always afraid that aluminium loaded with weight will break due to vibrations.
I have only good experiences with aluminum, even with additional weight, on a Harley. And a Dyna without balance shaft has viberationen without end The weight of the mainly plastic horns is minimal and the cantilever bracket at 6mm thickness provides a strong support. Been fitted for 3 years including numerous high vibration/rpm track days without issue. Loctite thread locker was used on the horn support screws.
Chris
2015 Plus 4 Silverlake Blue
(2014 3.7 Roadster Crystal Blue)
(2012 4/4 Sport Black)
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Joined: Feb 2016
Posts: 8,667 Likes: 408
Needs to Get Out More!
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Needs to Get Out More!
Joined: Feb 2016
Posts: 8,667 Likes: 408 |
Mounted my twin horns well out of the way behind the radiator on a bracket gismo I fabricated from sheet aluminium and off cuts. ![[Linked Image]](https://tm-img.com/images/2022/07/18/IMG_3021.jpg) That's taking engineering to an art form Chris  Given your qualifications I'm sure a load and stress assessment was calculated in advance 
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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Joined: Aug 2014
Posts: 2,116 Likes: 68
Talk Morgan Expert
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Talk Morgan Expert
Joined: Aug 2014
Posts: 2,116 Likes: 68 |
Thank you all for the explanations ! I did not want to critisize someone or the work! Many years ago I prepared my bike for a longer trip through norway. I glued a remote control for my walkman with cable (30x60mm/complete weight about 100gr.) On a fitting 4mm aluminium plate. This was fitted to the handlebar of my CX500. At the second day the plate fell of! That is an experience I'll never forget..... 
Last edited by bmgermany; 10/03/23 04:39 PM. Reason: EDIT WRONG MEASURES O
2005 4/4 1800ccm Duratec and a lot of HONDA CX500.......
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Joined: Oct 2019
Posts: 5,586 Likes: 603
Charter Member
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Charter Member
Joined: Oct 2019
Posts: 5,586 Likes: 603 |
Bmgermany ... it would probably never have happened if Honda had got the cylinders on straight!! 🤣
Chris describes his bracket as 'aluminium sheet' .... I think 'aluminium plate' would be a better description ... that's pretty chunky stuff!!
K
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Joined: Aug 2014
Posts: 2,116 Likes: 68
Talk Morgan Expert
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Talk Morgan Expert
Joined: Aug 2014
Posts: 2,116 Likes: 68 |
Bmgermany ... it would probably never have happened if Honda had got the cylinders on straight!! 🤣
K  Hmmm, I have sometimes said something similar to motorcyclists with American motorbikes 
2005 4/4 1800ccm Duratec and a lot of HONDA CX500.......
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Joined: Jul 2007
Posts: 27,809 Likes: 749
Member of the Inner Circle
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Member of the Inner Circle
Joined: Jul 2007
Posts: 27,809 Likes: 749 |
It wouldn't have lasted a day on my T140V Bonnie. That was a bone shaker.
JohnV6
2022 CX Plus Four
2025 Renault Scenic Alpine etech "Yvette"
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Joined: Aug 2011
Posts: 7,553 Likes: 88
Talk Morgan Guru
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Talk Morgan Guru
Joined: Aug 2011
Posts: 7,553 Likes: 88 |
It wouldn't have lasted a day on my T140V Bonnie. That was a bone shaker. Or on the Guzzi V11 I owned for a while. Mind you, it felt as though it could tow a small caravan. Bud 4/4 - Stanley 
Bud
4/4 "Stanley"
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Joined: Oct 2019
Posts: 5,586 Likes: 603
Charter Member
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Charter Member
Joined: Oct 2019
Posts: 5,586 Likes: 603 |
T140 !! .... you mark my words young man ... no good at all will come from taking that nice Triumph parallel twin out over 500cc .... tears before bedtime! 🙂
K
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