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Re: Folding Wing Thundergull/your cool mods

Posted: Wed Jun 19, 2013 2:08 pm
by valuator1956
Well, aren't we cocky!! LOL

I can handle living in the stone age for a while...

Bob

Re: Folding Wing Thundergull/your cool mods

Posted: Wed Jun 19, 2013 3:54 pm
by earthstaraircraft
Hi
Thought you might like the different perspective. I sure love flying the
electric plane,
When I was designing these planes, my concept was to make a plane that
would emulate the feelings that I had in my dreams, effortless flight, floating
around in the sky with perfect control and no distracting noise or
vibrations, Never could quite get there till electric power came of age. Now the
fun really starts!
O, and I didn't say "Stone Age", Just last Sentry witch was not very long
ago at all. If I had a rotax powered plane I would fly it till I ran out of
money for gas. and than make some more money and do it again. But the
electric plane only costs $1 pr hr for electricity and the battery peroration to
replacement is $3 making it $4 pr hr instead of $17 for gas and oil and
$5 pr hr for overhaul or $22 for the 447 witch is still pretty cheep as
airplanes go.
Happy Flying
Mark


In a message dated 6/19/2013 12:08:33 P.M. Pacific Daylight Time,
valuator1956@yahoo.com writes:




Well, aren't we cocky!! LOL

I can handle living in the stone age for a while...

Bob

--- In _Earthstar_Aircraft@yahoogroups.com_
(mailto:Earthstar_Aircraft@yahoogroups.com) , thundergul@... wrote:
>
> Hi, Way back in the last century, when we usto to use engines that mixed
a
> hydrocarbon liquid with air and induced a chemical reaction via an
> electrically timed electro chronal discharge, or spark plug, inside of a
cylinder
> to push a piston and connecting rod, to turn a crank that spun a
propeller
> for thrust. We would use a primer to get the fuel to the carburetor for
> starting, the choke was seldom used and some even removed it all
together.
> Prime it twice than hit the starter with the primer pulled out, if it
starts
> and than slows down prime it again and repeat till it is worm enough to
> atomize the fuel and run with out the addition of prime. if it does not
start
> right away ad another pump of prime. be carefull not to over prime,
since a
> flooded engine is hard to start. if you have a rope starter than use the
> same procedure but be especially careful not to over prime.
> Using Champion oil will probably clean out the carbon build up that the
AV
> 2 installed in your engine.
> It is also important to install good gages like the Grand Rapids
> Technologies EIS to monitor the EGT's and CHT's since the secrete to
long life in
> these engines is to keep the EGT between 1100 and 1200 F, They don't
build
> carbon at these temps, at least with Champion oil, and there more
powerfully
> and much more efficient and will last several times there TBO. Set it up
for
> 5700 to 5900 rpm's static run up on the ground and cruse at 6000 for
> optimum life, you can cruse slower if you want but the engine was
designed for
> 6000 rpm's.
> This is how it was done before Electric power was adopted for ultralight
> planes. Now the starting procedure is buckle your seat belt and turn the
key
> and advance the throttle and pull back on the stick when you get flying
> speed, and pull the throttle leaver back some time before you reach
18,000
> feet so you don't penetrate the continental control zone.
> Happy Flying
> Mark
>
>
> In a message dated 6/18/2013 4:50:21 P.M. Pacific Daylight Time,
> valuator1956@... writes:
>
>
>
>
> Thanks for the info, Mark. I will definitely do the test. Previous owner
(I
> AM THE NEW OWNER!!! HURRAY!!!) has used AV2 consistently. Think Champion
> will make a notable difference? I will start a new topic with the
details of
> my purchase and will post an album of the pics I have. I do have a
> question for you though. The previous owner never really did dial in a
consistent
> starting procedure. In fact, when I asked him if the carb had a choke,
he
> wasn't sure. Doesn't the Bing have a choke lever? And shouldn't it be
used
> on a cold start? It does have a primer pump...
>
> Also, when I post in a new topic, I will post the specs that I got from
an
> old ad for this specific plane. Perhaps you can confirm/deny those
specs.
> (Can you remember back that far? LOL ) I also have an old price list
from
> the original purchase. I will go ahead and post that info as well. Looks
> like you could pick between a variety of options..
>
> So, more info coming, guys and gals...
>
> Bob
>
> --- In __Earthstar_Aircraft@yahoogroups.com_
(mailto:_Earthstar_Aircraft@yahoogroups.com) _
> (mailto:_Earthstar_Aircraft@yahoogroups.com_
(mailto:Earthstar_Aircraft@yahoogroups.com) ) , thundergul@ wrote:
> >
> > Hi Bob
> > Check the control cable tightness by having some one hold the stick to
> the
> > aft stop or tieing it and push down on the trailing edge of the
> elevator,
> > with 5 lb of pressure it should not move more than 1 in on that model,
> 1/2
> > in on the models with the Horizontal Stabilizer. Use Champion lawn and
> > garden equipment oil at 50 to 1 and you will not have problems with
> starting
> > the engine or carbon build up on rings. if you use other oils you will

> not
> > be happy, Amsoil is also good but it is 100 percent synthetic and does
> not
> > protect the engine from moisture like the 50% synthetic Champion oil
we
> use.
> > Happy Flying
> > Mark
> >
> > In a message dated 6/12/2013 9:31:50 P.M. Pacific Daylight Time,
> > valuator1956@ writes:
> >
> >
> >
> >
> >
> >
> > Well, I get to go look it over tomorrow. I don't expect to find
anything
> > too problematic. I will check out the cables, connecting points,
rivets,
> and
> > welds, but it with it being a factory build and apparently well
> > maintained, I am hoping there will be no issues. With the inverted
> engine, I
> > anticipate some starting difficulty as it has been in the trailer for
a
> number of
> > months, but I believe that those can be minimized in the future by
> running
> > the engine for a couple of minutes after shutting the fuel off at the
> line.
> > If I end up getting it, I will be posting pics to the list and asking
> for
> > advice on modding. I think I probably would like to install a trim
wheel
> and
> > tab, but those things and others will come after I get familiar with
the
> > craft.
> >
> > Bob
> >
> > --- In ___Earthstar_Aircraft@yahoogroups.com_
(mailto:__Earthstar_Aircraft@yahoogroups.com) _
> (mailto:__Earthstar_Aircraft@yahoogroups.com_
(mailto:_Earthstar_Aircraft@yahoogroups.com) ) _
> > (mailto:__Earthstar_Aircraft@yahoogroups.com_
(mailto:_Earthstar_Aircraft@yahoogroups.com) _
> (mailto:_Earthstar_Aircraft@yahoogroups.com_
(mailto:Earthstar_Aircraft@yahoogroups.com) ) ) , "Fred" <fgayford@> wrote:
> > >
> > > Thanks Bob
> > >
> > > You are about to buy one of the best ultralight aircraft ever
> designed,
> > but most of us already know that.
> > >
> > > Best to you.
> > > Fred
> > >
> > > --- In ___Earthstar_Aircraft@yahoogroups.com_
(mailto:__Earthstar_Aircraft@yahoogroups.com) _
> (mailto:__Earthstar_Aircraft@yahoogroups.com_
(mailto:_Earthstar_Aircraft@yahoogroups.com) ) _
> > (mailto:__Earthstar_Aircraft@yahoogroups.com_
(mailto:_Earthstar_Aircraft@yahoogroups.com) _
> (mailto:_Earthstar_Aircraft@yahoogroups.com_
(mailto:Earthstar_Aircraft@yahoogroups.com) ) ) , "valuator1956" <valuator1956@> wrote:
> > > >
> > > >
> > > >
> > > > --- In ___Earthstar_Aircraft@yahoogroups.com_
(mailto:__Earthstar_Aircraft@yahoogroups.com) _
> (mailto:__Earthstar_Aircraft@yahoogroups.com_
(mailto:_Earthstar_Aircraft@yahoogroups.com) ) _
> > (mailto:__Earthstar_Aircraft@yahoogroups.com_
(mailto:_Earthstar_Aircraft@yahoogroups.com) _
> (mailto:_Earthstar_Aircraft@yahoogroups.com_
(mailto:Earthstar_Aircraft@yahoogroups.com) ) ) , "Fred" <fgayford@> wrote:
> > > > >
> > > > > I just created a photo folder called "Folding Wing Thundergull"
> > > > > Have a look its pretty neat.
> > > > > Fred
> > > > >
> > > > Fred, I have been looking through the photo albums and just wanted
> to
> > say how impressed I am with your various mods!! Really beautiful and
> > functional. I don't even have a Thundergull yet and I am already
> envious!!
> > > >
> > > > Thanks for the inspiration!
> > > >
> > > > Bob
> > > >
> > >
> >
>

Re: Folding Wing Thundergull/your cool mods

Posted: Wed Jun 19, 2013 5:46 pm
by valuator1956
I'm just envious!!

It is pretty cool that we are finally able to have some reasonably light weight portable electric power. And it should only get better! Love to see what you are doing. Keep up the good work!

Bob