Leonardo attended European Rotors presenting its contribution to the Swiss Innovation Day illustrating a possible roadmap from the first Swiss helicopter to the first Swiss hybrid helicopter
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European Rotors - Contributing to the Swiss Innovation Day
1. Kopter Group AG makes no representation or warranty as to the completeness of this information
and shall not be held liable for any representations (expressed or implied) regarding information contained in this document or any other written or oral communications.
Kopter – a Leonardo Company
Kopter – a Leonardo Company
From the 1st Swiss Helicopter to the 1st Swiss
Hybrid Helicopter
Cologne
November, 17th, 2021
Michele Riccobono
Kopter CTO
2. Kopter Group AG makes no representation or warranty as to the completeness of this information
and shall not be held liable for any representations (expressed or implied) regarding information contained in this document or any other written or oral communications.
Kopter – a Leonardo Company
The «new generation» single...
FADEC
turboshaft engine
with outstanding
hot and high
performance
Shrouded
low noise
and high
safety
tail rotor
High
tail-boom
clearance
Superior
cargo-hold
with rear
access
Latest
generation
Garmin G3000H
IFR-compatible
flight deck with
and NVG friendly
glass cockpit
and touchscreen
control
Advanced rotor system
with 5 blades in
full composites
for low vibration
and low noise
Up to 1+8
Passengers
on individual
crashworthy
seats
6.5 m3 modular cabin
with equivalent size
compared to a
twin-engine helicopter
Crashworthy
composite
airframe
Dual hydraulic
and
dual electrical
systems
All images for reference only
Apr 2021 |
Kopter Group AG | Company Presentation 2
3. Kopter Group AG makes no representation or warranty as to the completeness of this information
and shall not be held liable for any representations (expressed or implied) regarding information contained in this document or any other written or oral communications.
Kopter – a Leonardo Company
…with first-in-class cabin and flexibility
Apr 2021 |
Kopter Group AG | Company Presentation 3
All images for reference only
Comfortable rear access through clamshell doors and high tail boom
Equipment, stretcher or cargo easy loading
Passenger sliding doors and pilot hinge doors on both sides
Unobstructed side accessibility, without structural
elements between cockpit and cabin area
A truly multipurpose vertical platform
4. Kopter Group AG makes no representation or warranty as to the completeness of this information
and shall not be held liable for any representations (expressed or implied) regarding information contained in this document or any other written or oral communications.
Kopter – a Leonardo Company
• Are eVTOLs going to replace helicopters?
Kopter Group AG I Title Feb 2021 I 4
• Can we develop a fully electric helicopter?
The two questions behind the Kopter Roadmap
5. Kopter Group AG makes no representation or warranty as to the completeness of this information
and shall not be held liable for any representations (expressed or implied) regarding information contained in this document or any other written or oral communications.
Kopter – a Leonardo Company
Kopter Group AG I Title Feb 2021 I 5
Can we develop a fully electric helicopter?
Cell energy density evolution scenarios
Lithium-sulfur batteries commercialize,
offering gravimetric cell energy density
of up to ~2,510 Wh/kg, pushing base
case CAGR levels by 2.5%
Targets from Innolith are met
with prior cell density growth
rates of 7% CAGR (2020-2025)
and their batteries are
commercialized at scale
Traditional Lithium-ion
batteries continue to progress
up to 350 Wh/kg and solid-
state batteries are scaled
- Best case
- Base case
Even after density develops sufficiently, there will be a 5+ year delay for
wider adoption (certification, production timeline, adaption for aviation usage)
Good confidence,
current investment
focus mainly driven by
automotive industry
Low confidence,
enabling technologies
still in early stage and
any investments for
industrialization could
probably not be driven
by automotive industry
Note: LHS: Assumes that targets from Tesla, QuantumScape, Innolith etc. will be met and that solid state batteries commercialize; RHS: Assumes all else equal; 1) Next to battery cell density, battery degradation
improvement critical is to secure sufficient energy capture;
Source: Expert interviews
Battery cells energy density is the main hurdle to achieve full electric flight
2030+ evolution remains uncertain due to lower automotive investment appetite
Battery Evolution Scenarios
6. Kopter Group AG makes no representation or warranty as to the completeness of this information
and shall not be held liable for any representations (expressed or implied) regarding information contained in this document or any other written or oral communications.
Kopter – a Leonardo Company
Kopter Group AG I Title Feb 2021 I 6
Trade-off between Range and Payload generates different operating scenarios
Operational Scenarios
Long Light Single Helicopter* Range & Payload: Full Electric vs Turbine
Increase in Battery capacity
(both Energy & Power)
Take Off
Power
Limit
Key Evidences
Payload reduction in favour of
Battery Capacity allows to
increase flight Range
Power needed to take off requires
a minimum battery size to allow
the Helicopter to take-off
Despite battery density expected
growth, Full Electric Helicopter
does not guarantee the same
Payload and Range as of a
Turbine HC
Balance between Range and
Payload set new potential
operating scenarios once
battery technology to reach
maturity in 2040+
Today
Range
Note: (*) considering a conventional Architecture; Main Assumptions: Fixed MTOW, Turbine efficiency ~25%, cell-to-module ratio 1,1, volumes analysis not considered
Details in the next slides
Details in next slides
Lower
Range
Lower Payload Higher Payload
Today nominal
performance
Higher
Range
Range: 100%
Payload: 40%
Range: 50%
Payload: ~130%
Electric vs. Turbine Helicopter
7. Kopter Group AG makes no representation or warranty as to the completeness of this information
and shall not be held liable for any representations (expressed or implied) regarding information contained in this document or any other written or oral communications.
Kopter – a Leonardo Company
Kopter Group AG I Title Feb 2021 I 7
The Hybrid Helicopter
Why add electric propulsion?
• New operational scenarios
(e.g., congested hostile areas)
• Mitigate operational risks
• Simplify training procedures
• Improve public acceptance
• Higher efficiency propulsion
lower operating cost
• Lower CO2 output
environmental benefits
8. Kopter Group AG makes no representation or warranty as to the completeness of this information
and shall not be held liable for any representations (expressed or implied) regarding information contained in this document or any other written or oral communications.
Kopter – a Leonardo Company
Kopter Group AG I Title Feb 2021 I 8
Additional safety
Extra power during critical operations
The Roadmap: from Hybrid for Safety to Hybrid for Performance
Single Engine Hybrid
9. Kopter Group AG makes no representation or warranty as to the completeness of this information
and shall not be held liable for any representations (expressed or implied) regarding information contained in this document or any other written or oral communications.
Kopter – a Leonardo Company
Kopter Group AG I Title Feb 2021 I 9
Use Case Scenarios
Engine Failure inside the H-V Curve
1. Engine failure immediately counteracted by the
electrical propulsion system
Single
Hybrid
100
4. Energy
reserve for
a safe,
controlled
landing.
2. Continuous safe flight
out of the avoid zone
State of
Charge
3. Descent – reduced electric
power consumption
10. Kopter Group AG makes no representation or warranty as to the completeness of this information
and shall not be held liable for any representations (expressed or implied) regarding information contained in this document or any other written or oral communications.
Kopter – a Leonardo Company
Kopter Group AG I Title Feb 2021 I 10
Hybrid Mission Enhancement
Power, Endurance and Weight: The trade-off
Depending on required capabilities and available battery capacity a trade-off is
possible between power available, battery weight and endurance
Single engine with twin engine capability and safety
Endurance
11. Kopter Group AG makes no representation or warranty as to the completeness of this information
and shall not be held liable for any representations (expressed or implied) regarding information contained in this document or any other written or oral communications.
Kopter – a Leonardo Company
Kopter Group AG I Title Feb 2021 I 11
Hybrid versus current Rotorcraft Categories
Safety benefits
Installed Elec Power Battery Weight Benefit in the event of engine IFSD
Low Low Autorotation Support
Medium Low to Medium «Cat-A like» procedures
High Medium to High «Uneventful» emergency handling
Training benefits
Installed Elec Power Battery Weight Benefit in the event of engine IFSD
Low Low Risk reduction in Autorotation training
Medium Low to Medium No need for full autorotation landing training
High Medium to High No need for specific Engine Failure training
12. Kopter Group AG makes no representation or warranty as to the completeness of this information
and shall not be held liable for any representations (expressed or implied) regarding information contained in this document or any other written or oral communications.
Kopter – a Leonardo Company
Kopter Group AG I Title Feb 2021 I 12
A Class of its Own
Finding a Path Toward Extended Operating Capabilities
Single Turbine
Performance Class 3
Upon engine failure at any time during the
flight, a forced landing will be required
Certified in
Category B
The Hybrid architecture may
offer at low altitude a safety
level superior to Category A
rotorcrafts.
Perfo
Class
Engine Failure
Before TDP After TDP
1
2
3
“H”
Rejected
Take-Off +
“AEO” Obstacle
Clearance &
Safe Landing
Forced
Landing
OEI Obstacle
Clearance
Rejected
Take-Off
TDP
TDP: Take-off Decision Point
13. Kopter Group AG makes no representation or warranty as to the completeness of this information
and shall not be held liable for any representations (expressed or implied) regarding information contained in this document or any other written or oral communications.
Kopter – a Leonardo Company
Kopter Group AG I Title Feb 2021 I 13
Hybrid versus current Rotorcraft Categories
Extension of the Safety Continuum
PERFORMANCE CLASS 3
Non-hostile environments
Non-congested hostile environments without a safe forced landing capability under specific
approval
Take-off and landing phases to/from an aerodrome or operating site located outside a
congested hostile environment without an assured safe forced landing capability
PERFORMANCE CLASS 2
Operations without an assured safe forced landing capability during the take-off and landing
phases only with approval by the competent authority
PROPOSED PERFORMANCE CLASS “H” - additional operations:
• Take-off and landing to/from an operating site (HEMS included) in hostile environment
• Flights over congested areas within “electric flight” distance of a safe landing capability
14. Kopter Group AG makes no representation or warranty as to the completeness of this information
and shall not be held liable for any representations (expressed or implied) regarding information contained in this document or any other written or oral communications.
Kopter – a Leonardo Company
Kopter Group AG
Binzstrasse 31
8620 Wetzikon
Switzerland
Registered Office
Flugplatzareal 10
8753 Mollis
Switzerland
E contact@koptergroup.com
T +41 44 552 33 33
koptergroup.com
Kopter – a Leonardo Company