REFLECTOR: Franklin engine noise?

[michalk]

The Franklin cam is fairly aggressive.  It does not idle well, nor does 
it make much manifold vacuum at idle.

You may be just fine.  If I have an engine start this weekend, I'll see 
what I can do.  If someone else can get this, they should.


Hiroo Umeno wrote:
> I have a favor to ask for those who are flying a Franklin.
>  
> Would someone able to capture the engine startup, runup, and idling 
> sound digitally?  It does not have to be “audio-phile” quality.  Some 
> handheld device is fine but preferably with gain set low enough that it 
> does not clip due to high sound pressure.
>  
> What I am looking for is…
>  
> Startup, running at 1000rpm, runup at 1700rpm, mag-check, then idle with 
> throttle pulled all the way back.
>  
> I am convinced that my Franklin is “missing a beat” but I do not have 
> any reference to compare against.
>  
> I finally got mine running again this weekend (changed the ignition 
> harness) and it is back to its old trick of growling and shaking. The 
> shaking is most pronounced when the throttle is pulled back all the way 
> and the engine is idling at 600rpm or so.  You can see the canard tip 
> bounce around ½” or so at the tip.  My wife thought that I had some 
> bolts loose.
>  
> Hiroo
>  
> 
> 
> ------------------------------------------------------------------------
> 
> _______________________________________________
> To change your email address, visit http://www.tvbf.org/mailman/listinfo/reflector
> 
> Visit the gallery!  www.tvbf.org/gallery
> user:pw = tvbf:jamaicangoose
> Check new archives: www.tvbf.org/pipermail
> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html