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| In 1972, the "Scorpion II" was introduced with an OMC 125 horsepower, 2 cycle engine which provided the added power to fly two lightweight people in cool, low density altitude environments. But despite all the improvements, overhaul times on the major components were still not up to the desired levels.
In 1974, the company embarked on a major redesign of the helicopter once more with the end goal of reducing the amount of maintenance time required per every hour of flight. The first, and most important, item to be addressed was the elimination of the inefficient 2 cycle engine. The company realized that there would never be a way to sufficiently dampen the excessive vibration and low torque associated with this type of engine. The vibration was found to cause rapid wear in various parts and had a tendency to cause cracks in airframe and drive systems.
Unable to find an engine manufacturer to make their 4-cycle engine suitable for the helicopter, RotorWay set forth on an aspect of the company that is unique to this day - producing their own engine. Called the RotorWay RW 133, this 4-cycle, 4-stroke engine now had the added power and torque the company was looking for. The RW 133 had a cruise speed of 128km/h with a range of 190km and a useful load of 190kg.
Later versions of the company's engines, the RW 145 and RW 152, represented continuous improvements made by RotorWay. These predecessors of the RI 162F engine helped make today's product possible. Nearly everything on the engine (and most of the kit) was produced in-house. From the cast rockers to the crankshaft and rod forgings, the RotorWay brand stood for excellence.
With a two-place helicopter available, RotorWay was able to begin instructing customers on how to fly their aircraft. Done at Scorpion Sky Center in Tempe, Arizona, this new program would remain an invaluable customer service tool from that point on. www.rotorway.com
In 1958, B.J.Schramm set up a company to market a single-seat amateur-built helicopter known as the Schramm "Javelin". This machine had a tubular steel structure with a formed aluminium body shell and was powered by a 75kW Mercury powerboat engine. It first flew in August 1965. Schramm subsequently redesigned the "Javelin" as the "Scorpion", and he formed Rotorway Aircraft Inc. to market kits for this revised version, and claimed that 250 were flying by 1970. The "Scorpion Too" followed, and this had an expanded fuselage structure with a two-seat fibreglass cabin enclosure and a 105kW Evinrude marine engine. R.Simpson "Airlife's Helicopter and Rotorcraft", 1998
| jeff scott, jeffscottconst(@)aol.com, 26.10.2008 My uncle in w.va. has a scorpion 2 seater that he started in the 80's that he coulded complete due to eyesight gone bad. project is completed to the motor stage with boxes of uninstalled parts. He is moving to Ga. & needs to clean out his shop. | | Dann S., hemidann(@)yahoo.com, 07.10.2008 I am looking for anyone in the state of Florida with a Scorpion II, I am interested in trading a nice pro street Camaro for a Scorpion but would like to see one up close and ride in one and talk to someone who has owned one with knowledge about them.I would also like to know about upgrades that are available for them ANY info will help. THANKS Dann | | Gray Ross, grayross(@)comcast.com, 07.10.2008 ATTN:Valued Customer,
I am Mrs. Gary Ross, i have been waiting for you since to
contact me for your Confirmable Bank Draft of
$950.000.00 {Nine hundred and Fifty Thousand United States Dollars Only}, but I did
not hear from you since that time. Then I went and
deposited the Draft with FEDEX COURIER SERVICE Africa, I traveled out of
the country for a three Months Course and I will not
come back till end of OCTOBER. What you have to do now is to contact the
FEDEX COURIER SERVICE as soon as possible to know
when they will deliver your package to you because of the expiring date.
For your information, I have paid for the delivering
Charges, Insurance premium and Clearance Certificate Fee of the cheque
showing that it is associated with drugs or meant to
sponsor Terrorist attack in your Country. The only money you will send to
the FEDEX COURIER SERVICE to deliver your Draft
direct to your postal Address in your country is $310.00 USD {Three Hundred
and ten Dollars Only} being Security Keeping Fee
of the Courier Company so far. Again, don't be deceived by anybody to pay
any other money except $310.00 US Dollars.
I would have paid that but they said no because they don't know when you
will contact them and in case of demurrage. You
have to contact the FEDEX COURIER SERVICE now for the delivery of your
Draft with this information bellow;
Email :fedex.dispatch@strompost.org
Contact Person: Mr. Davison Carrick
{Dispatch Officer}
Telephone: +2348079380920 .
Finally, make sure that you reconfirm your Postal address and Direct
telephone number to them again to avoid any mistake on
the Delivery and ask them to give you the tracking number to enable you
track your package over there and know when it will
get to your address. Let me repeat again, try to contact them as soon as
you receive this mail to avoid any further delay
and remember to pay them their Security Keeping fee of $310 US Dollars for
their immediate action. You should also let me
know through email as soon as you receive your Draft.
Best regards,
Mrs. Gray Ross | | alan long, leonelson(@)verison.net, 30.09.2008 I HAVE JUST PURCHASED A SCORPION 1. I AM LOOKING FOR THE LOWER COLLECTIVE PARTS.IF ANYONE KNOWS WHERE I CAN FIND THEM PLEASE LET ME KNOW. THANKS, AL | | Ben Lockstein, locksteinb(@)hotmail.com, 26.05.2008 I have a 1992 Scorpion II with a 152 engine. 100 hrs TTAF. Dual controls, exec 90 elastomeric rotor system and blades, AP heliproducts hydraulic clutch, tail rotor slider and pitch pin mod. ICOM hand-held radio (IC-A4) and magellan 315 GPS included. Ready to fly. Located southern Ontario, Canada. $27,000 OBO | | Mike Sublett, scouter941a(@)hotmail.com, 07.05.2008 I have a Scorpion 2 160 hp turbo helicopter kit that I will sell. $16,000. Located in Sanford, NC USA scouter941a@hotmail.com | | Mike Sublett, scouter941a(@)hotmail.com, 07.05.2008 My email address is scouter941a@hotmail.com | | Mike Sublett, scouter941a(@)hotmail.com, 07.05.2008 I have a Scorpion 2 160 hp turbo helicopter kit that I will sell. $16,000. Located in Sanford, NC USA | | luiz, lgcs3110(@)gmail.com, 06.05.2008 jim parham, where did you get your Scorpion plans? Please email me: lgcs3110 {at} gmail.com
Thanks | | luiz, lgcs3110(@)gmail.com, 06.05.2008 I want to buy a Rotorway Scorpion Too or 133. Please email me: lgcs3110 {at} gmail.com
Thanks | | Japie, jspret8104(@)gmail.com, 27.04.2008 I have the Scorpion 2 and is in a running condition. I do have all the plans and sizes. | | A. Benda, embafly357(@)hotmail.com, 31.03.2008 I have a Scorpion II available for purchase. If you are interested, please email me for contact information. | | Joseph, JosephTodirash(@)yahoo.com, 11.03.2008 Hi im Joseph and im looking for Rotorway "Scorpion Too to buy does anybody know where i could find one with a decent price please Email me at JosephTodirash@yahoo.com
Thank you. | | jim parham, jimparham7(@)aol.com, 16.02.2008 i too have a rotorway scorpion,been working on it for 1 year,the good thing is i have the correct manuals,and prints,be very careful,who you buy the prints from,a lot of bogus ones are for sale, good luck | | Jan Glock, doc.glock(@)us.army.mil, 29.08.2007 The single best resource for these interesting aircraft can be found at Vortech. their website is: http://www.vortechonline.com/ | | FARDIN, engfardin(@)yahoo.com, 23.07.2007 I am from IRAN.
Is there a plans available , how much?
my email is engfardin@yahoo.com
tanks.
FARDIN | | Granville E. Lovell, GeoBible(@)msn.com, 08.03.2007 I saw the scorpion 1 and from what I saw it looked like a womans high heal and it is around two feet wide and the two is somewhere around four feet wide I think. Did you just get one? does it have the old two cycle engine in it? They had a big problem with them so they started building their own engine. So that means you could only get parts from them so they may cost alot? Look into if you could put another engine on it. | | Timmy Lee, trustno1(@)martineer.net, 10.02.2007 Is there any place to obtain info & pic on the Scorpion 1. The cabin style of the Scorpion 1 is the same as the Scorpion 2. Any info would be greatly appreciated.
Timmy Lee |
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