Robinson Helicopter Company (RHC), the world's leading manufacturer of civilian helicopters, has received FAA...
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FAA Approval to Double the Life of Select Robinson R66 Components
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50th Anniversary of Robinson Helicopter Company06/20/2023
Today, June 20, 2023, marks 50 years since Robinson Helicopter...
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Can the oil in an aircraft piston engine be refilled with another brand of oil?11/21/2022
Very often pilots ask us if they can use another brand of oil, e.g. for a top-up.The answer is...
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Is the Robinson R66 helicopter safer than the R44?05/13/2022
Is the Robinson R66 helicopter safer than the R44?
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FAA approves stick guard11/15/2021
The safety-enhancing stick guard is FAA approved for...
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Robinson R44 Service Bulletin SB-108 also became an Airworthiness Directive (FAA AD 2021-19-8)09/09/2021
Robinson R44 Service Bulletin SB-108 is now an FAA AD!
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How to properly clean plastic windows in a helicopter or plane04/11/2021
With the summer season approaching, it is worth taking care of aircraft windows.As we know, the summer season is a...
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World record with Robinson R2202/15/2021
On September 22, 1990, in Red Bluff, California (USA) the "speed challenge" took place - an attempt to set a speed...
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Robinson R22 / R44 / R66 On-Board Camera02/11/2021
Robinson's cockpit video camera debuted at last year's Heli Expo 2020 - it is now an optional extra on R22/R44...
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Lithium-ion battery available for Robinson R4402/03/2021
Robinson Helicopter Company recently added the TB17 lithium-ion battery to the R44 option...
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WHAT IF I EXCEED THE MANIFOLD PRESSURE LIMIT?
Some time ago, our client contacted us, concerned that he had exceeded the manifold pressure limit.
He then explained that he had previously tried to keep a close eye on the gauge, but this time the situation required pulling the lever, which caused the limit to be exceeded.
What now??? Is an inspection needed??
No, there is no need to call a mechanic, but it is important to remember that there may be problems due to material fatigue.
This additional power is not available so that we can exceed the limits by taking full tanks of fuel and our heavy colleague, but only to save us in critical situations.
We have noticed that many novice R22 pilots try to keep a close eye on the manifold pressure gauge to the point that they could even crash due to not using the additional power, hoping to get out of trouble without exceeding the limits.
It is best to fly in such a way as not to create critical situations. However, if we find ourselves in such a situation, do not be afraid to exceed the limit! This additional power is there for it!
For example:
R22 Beta II = Lycoming O-360-J2A, carbureted, naturally aspirated engine that can produce 180 BHP at 2700 RPM
The power of this engine has been reduced by Lycoming to 145 BHP due to weight.
Lycoming installs lighter cylinders for the RHC to reduce the weight of the engine and this is why the power is reduced.
The RHC further reduces the power of these engines to 124 BHP and 131 BHP for 5 minutes at takeoff.
By reducing the power the engine does not work hard so Lycoming has extended the time between overhauls.
The engine is more reliable, gives better altitude capabilities and a power reserve if we need it.
Of course this reserve does not mean that we can burden the helicopter and exceed the weight limits..
The reserve is there to get us out of trouble if we get into trouble!
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