Check out

formatting link

for lots of good information. It should have
everything you need

CouldBeFly> Thanks guys.... this really helps. I guess what I am after then is total
> thrust an engine produces from start to finish...
> Am I right in assuming... ("C" and "D" engine comparisons) total thrust in
> this example?
>
> Can I assume this is correct for getting total thrust?
>
> "C"... 10/4.45=2.247 Total thrust (lbf)
> "D"... 20/4.45=4.494 Total thrust (lbf)
>
> Richard
>

> > Correct, convert Newtons to pounds force by dividing by 4.45.
> >
> > But, I think he may be confused about the total impulse implied by a "C"
> > motor and the average thrust, designated by the number after the total
> > impulse letter.
> >
> > Estes has a C6 and C11 motors, both of which Estes rates at 10
> > Newton-seconds total impulse. The C6 has an average thrust of 6 Newtons.
> > The C11 has an average thrust of 11 Newtons. Dividing average thrust by
> > 4.45 you get average thrust of 1.3 and 2.5 pounds respectively. > > Happy holidays,
> > Will
> >
> > David wrote:
> >> Divide Newtons by 4.5.
> >>
> >> -- David

> >>
> >>>Hello,
> >>>I was wondering if anyone could help me (show me how to) convert newtons
> >>>into pounds of thrust. For instance an Estes "C" produces 10 Newton
> >>>seconds of thrust... What would this be in pounds of thrust? Is there a
> >>>formula, can I assume?
> >>>
> >>>Thanks everyone
> >>>Richard
> >>>
> >>
> >>
> >>
> >
> > --
> > Will Marchant, NAR 13356, Tripoli 10125 L3
> > snipped-for-privacy@amsat.org

formatting link