Graham,What is your opinion of the 4 cylinder Jabiru I am building a MG and
i am concidering using one ? Just wondering Chris Davis A160 MG
----- Original Message -----
From: "Graham Singleton" <grasingleton@avnet.co.uk>
Subject: Re: Mods & 120 HP JAB engine
> >Second thing the Jabiru 3300 120hp sounds very powerful for a Europa, is
> >the weight of it OK.
> >Kevin
>
> Unfortunately IMHO the rpm at 120 hp is too high for an efficient
> propeller, getting into the transonic zone of Mach # at the tips. a. noisy
> and b. inefficient.
>
> Graham
>
>
|