At 17:01 19 October 2020, BG wrote:
On Sunday, October 18, 2020 at 1:00:07 PM UTC-7, Graham
Stanford wrote:
Just bought an ASK 14 motorglider and reading the flight
manual=20
etc. The fuel required is noted as octane 80 normal gasoline
mixed=20
with two stroke oil at a ratio of 20/1.=20
=20
The chap that owned it before me ran it on normal unleaded
with=20
shell vsx at a ration of 30/1.=20
=20
I=E2=80=99m sure this is ok but I wanted to see what
anyone else
currentl=
y=20
uses?=20
=20
Thanks=20
=20
G
The oil to gas ratio is function of oil type and not fundamental to
a 2
str=
oke engine design. The 20:1 ratio sounds like conventional oil
and not
syn=
thetic. Most pure synthetics are 50:1. A down side to
conventional oil
is=
they burn very dirty with lots carbon buildup in the cylinder,
ports and
=
are very prone to fouling the plug Synthetics burn much
cleaner though
no=
t perfect.
Buzz


Thanks Buzz

G