I have 2 servos controlling throttle and choke on a small petrol motor. I was told that in the case of a back fire the butterfly valve in the throttle body can be violently moved open or shut. This force is then transmitted to the servos via the control cables which can damage the servos gearing , bearings etc.
Is this true? If so what can I do about it?
I was told that one idea is to bend a 'Z' in a piece of piano wire and have that as part of the control linkage, the 'Z' allows compression or tension movement and so provides some 'shock absorbtion'.
Is there a commerical soloution for this problem off the shelf. I thought R/C models might have to deal with a similar problem from time to time.
Is this true? If so what can I do about it?
I was told that one idea is to bend a 'Z' in a piece of piano wire and have that as part of the control linkage, the 'Z' allows compression or tension movement and so provides some 'shock absorbtion'.
Is there a commerical soloution for this problem off the shelf. I thought R/C models might have to deal with a similar problem from time to time.