T.R | Title | User | Personal Name | Date | Lines |
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1446.1 | Seen a couple | NEWOA::WINSLADE | | Thu Aug 13 1992 06:12 | 19 |
| I've seen a couple of aircraft of this type being flown with pretty
good results. One of them was a Kawasaki 'Tony' of around 50" span and
had its motor replaced with nose ballast - i.e. it was intended to only
be used as a slope soarer. I can't remember what the other was, but the
guy had only removed the prop & taped some polythene over the engine to
keep the dirt out on landing.
The airfoil is a major factor. If it's symmetrical it will need much
more lift to give a decent performance. If it's more of a 'fun flyer'
with a semi or even flat-bottomed section it wouldn't need such a
strong wind/high hill.
In the UK there's a strong following for this type of PSS aircraft, but
designed from the outset for slope use. Incidentally, I fly a P51C
Mustang, designed for slope use, 55" span with an S3021 section.
Hope this helps,
Malcolm
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1446.2 | Popularity depends on site availability | HANNAH::REITH | Jim HANNAH:: Reith DSG1/2E6 235-8039 | Thu Aug 13 1992 08:02 | 7 |
| There's a lot of kits available but unfortunately it seems most of the sites are
out on the west coast. A beach cliff site might work with a good prevailing
onshore wind but we don't have any locally in Central Mass. The Northeast
Sailplane Products catalog has an entire section devoted to PSS. They do some
incredible stuff out in Washington state where they flew the 15' B-52 featured
in the magazines about a year ago. Most of our slope soaring is done with floater
HLGs and 2 meters. Check out the Vern Hunt ads in the magazines.
|
1446.3 | PSS thoughts | UNYEM::BLUMJ | | Thu Aug 13 1992 10:13 | 38 |
| There are many kits and plans available for the scratch builder
who favors Power Scale Slope Soaring. Really you are only limited
by your imagination - IF!!!!! and the If is is you have a place to
fly your creation.
I agree with Jim Reith that it is hard to find acceptable inland
slopes which generate lift sufficient to keep up PSS ships on the
East coast.
If you build a light model with a high lift airfoil(E205, S3021, etc)
as Malcom mentions you might be able to fly it on our modest east
coast slopes.
I built a Pierce-Aero Ridge Rat with Semi symmetrical airfoil and was
never able to keep it up on the same hills that I can fly my Multiplex
Fiesta for hours.
I saw small WWII(50" wingspan) PSS ships fly at Kiona Butte in
Richland, Washington in approx. 10 mph wind this spring. The
performance was awesome - 100 ft. loops(inside and outside), dives
into the valley followed by 200 ft. vertical rolling pullups.
There were 1/4 scale ships at this meet, including a P51, but they
did no fly because wind of at least 30 mph is necessary to support
these giants. The 5 meter "glass slippers" flew very well in these
light conditions, however.
Kiona butte is 1200 ft. above the valley floor, has a slope of 60
degrees and no trees. If you want to go to soaring heaven - this is
it. If you can build it- you can fly it here. The thermals are also
tremendous as this is a desert environment. You can drive to the
top of the slope and there is a parking area and flat landing area
behind the slope. This is just one of several sites available
in the Richland area. I am planning to take a "soaring vacation"
here some day. Enough rambling.
regards,
Jim
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1446.4 | RCM has plans for a P-51 Mustang Slope Soarer if you're interested. | STOHUB::JETRGR::EATON | Dan Eaton St.Louis,MO,USA, 445-6522 | Thu Aug 13 1992 11:06 | 5 |
| RCM also published plans for a P-51 slope soarer about 5 years back. I built
the thing before I realized finding a place to fly it was going to be a
problem. It's still hanging up in my shop collecting dust. I was given a
Dynaflight Mustang 40 for Christmas last year and in comparing the two they're
just about identical in size.
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1446.5 | thanks folks! | DNEAST::GILPATRICK_R | On a major learning expedition here! | Thu Aug 13 1992 13:18 | 22 |
| Thanks for the replies!
I have never gotten into RC flying, but I have always had a
place in the back of my mind that took off when seeing a glider, and this
sounded pretty neat. Conway NH has an airport that has full scale
gliders that you can take lessons with. Kind of a dream that may, or
may not get lived out. RC gliders seem to be the next best thing to
being there. :^)
I guess my concern for a site to try it is valid. I live in
Maine, and have never seen anyone doing this sort of thing.
Another question......please pardon my ignorance. ;^)
Would a high start work on this type of plane? I was looking at a
Dynaflight funscale mustang, or a spitfire. The airfoils look to be
pretty good from what little I understand so far. I just don't want to
try something, when I'm destined for failure.... no different than
anyone else I guess.
thanks for the info,
Gil
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1446.6 | DSC in Maine does slope soaring | HANNAH::REITH | Jim HANNAH:: Reith DSG1/2E6 235-8039 | Thu Aug 13 1992 14:06 | 11 |
| I built a modified Sig Ninja with twin fins to look something like an F-15. I
put a tow hook on it and had some fun with it. This one was heavy so it didn't
slope too well at our slope site but it was pretty impressive when it came
screaming down in a split S after launch. Trouble was I beat the parachute down
every flight so the fun was offset by the walking.
The Downeast Soaring Club has a slope site and does some significant slope
soaring in Maine. The former president is Ken Baker and his phone number is
listed in the glider contest topic. I'm not sure where they flue but it was
almost 2 hours north of the sod farm they used to use in Biddeford. I don't
know where this is with regards to you.
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1446.7 | Club soaring in May | UNYEM::BLUMJ | | Thu Aug 13 1992 14:12 | 16 |
| Gil,
There is a group in Maine that slope soars. I remember reading
about them in Radio Control Soaring Digest(I think). This club
group builds the same ships and holds one design funflys/competitions.
I believe the club had built Southwinds for thermal soaring and
was using Bob MArtin Duralene fuselages with club cut foam S3021
wings. As the article stated, they would build extra wings and
stabs to have as replacements for the inevitable breakage that
occurs when learning to slope soar.
Sounds like a good group to get in touch with.
Regards,
Jim
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1446.8 | That's them | HANNAH::REITH | Jim HANNAH:: Reith DSG1/2E6 235-8039 | Thu Aug 13 1992 14:19 | 2 |
| That's the DSC group. They wanted about $35 for the DSC-1 club kit. We used
one of the fuselages for a baseball bat at one of the thermal contests.
|