Re: my TR4 towed home...

Message text written by "David Brister"
>Pattern rotor arms  from wherever are prone to failure without notice, as
I
have found out a few times in the last ten years. If you possibly can find
them it's safest to get OEM Lucas rotor arms.
I apologise for repeating myself to the list but it's important that the
newer listers know about this.
<

And they are cheap enough that you can and should carry a few spares.

Dave Massey