View or Hide Header -->
Welcome,
Guest
. Please
login
or
register
.
1 Hour
1 Day
1 Week
1 Month
Forever
Login with username, password and session length
This topic
This board
A7 & A10 Engine
A7 1946-1950
Gearbox, Clutch, Primary
Frame
Lucas, Ignition, Charging, Electrical
Amal, Carburation
Entire forum
Google
Home
Help
Search
Contact
Login
Register
The BSA A7-A10 Forum
»
Technical (Descriptive Topic Titles - Stay on Topic)
»
A7 & A10 Engine
»
Valve springs - dual or not?
« previous
next »
Print
Pages:
1
[
2
]
Go Down
Author
Topic: Valve springs - dual or not? (Read 1583 times)
RichardL
Outside Chicago, IL
Wise & Enlightened
Join Date: Nov 2007
Posts: 6361
Karma: 55
Re: Valve springs - dual or not?
«
Reply #15 on:
01.07. 2016 17:40 »
Just checked the Ebor Bikes site. Verrry interesting.
https://eborbikes.com/index.php?route=product/product&product_id=56
Richard L.
Logged
East_Coast_BSA
A's Good Friend
Join Date: Mar 2015
Posts: 84
Karma: 0
Re: Valve springs - dual or not?
«
Reply #16 on:
02.07. 2016 07:09 »
Double springs deal with spring Resonance and Harmonics. Every spring has a natural frequency and by using two different springs with two different rates, the resonance will only affect one spring at any given RPM.
Logged
Print
Pages:
1
[
2
]
Go Up
« previous
next »
The BSA A7-A10 Forum
»
Technical (Descriptive Topic Titles - Stay on Topic)
»
A7 & A10 Engine
»
Valve springs - dual or not?