SKY Engines SKY 100 Manuale utente

SKY 100

User’s Manual

INDEX

1.0 INTRODUCTION

•

1.1 General warnings

•

1.2 Recommendations for the prevention of accidents

2.0 DIRECTION FOR USE

•2.1 Fuel

•2.2 Running - in

•2.3 Starting the engine

3.0 TECHNICAL SPECIFICATIONS

•3.1 Engine illustration

•3.2 Technical specifications

•3.3 Assembly of secondary components

•3.3.1 Special assembly instructions

•3.3.2 Radiator

•3.3.3 Muffler

•3.3.4 Clutch

•3.3.5 Starter

•3.3.6 Rods and silent block

•3.3.7 Silencer

•3.3.8 Laminar bundle

•3.3.9 Carburetor

4.0 MAINTENANCE

•Cleaning

•Topping up liquids

•Adjustment

•Schedules and general recommendations

5.0 SPARE PARTS

6.0 WARRANTY

•Requirements

•Warranty Certificate

1.0 INTRODUCTION

Thank you for purchasing a SKY100 engine, developed and manufactured by SKY

ENGINES.

WE ADVISE YOU TO CAREFULLY READ THIS MANUAL AND FOLLOW ALL THE

MAINTENANCE INSTRUCTIONS GIVEN BELOW BEFORE USING THE ENGINE IN

ORDER TO AVOID SEVERELY DAMAGING IT.

If you require more information, have queries or need to purchase spare parts, please

We thank you for the attention, wish you the best of fun and hope you are satisfied

with yourpurchase.Best regards,

Sky Engines s.r.l.

1.1 GENERAL WARNINGS

• SKY ENGINES shall not be directly or indirectly liable for the use of the engine,

especially if it is altered or tampered with by third parties.

• MAINTENANCE IS ESSENTIAL to avoid severely damaging the engine.

Therefore, we advise you to CAREFULLY read Chapter 4.0 of this manual and

thoroughly follow all the instructions. For information on damaged spare parts,

see paragraph 3.3, which illustrates the assembly procedures for all the secondary

components that tend to deteriorate in time.

• SKY ENGINES shall not be liable for damages caused by an inaccurate

maintenance or incorrect assembly, except for the replacement of components

covered by the warranty.

• The engine has a maximum capacity of 90-100 Kg, which means that it is able to

transport a person with a maximum body weight within these parameters. The use of

the engine to transport heavier weights may cause problems to the trimming.

• It is advisable to perform all the inspections required in order to verify that the

engine is safe and in good working order before flying.

• Technical alterations made by the user, though permitted, are full responsibility of

the user. Spare parts used for said alterations shall not be covered by warranty.

• Alterations carried out by the user or the removal of original spare parts may

jeopardize the safety of the engine..

• SKY ENGINES reserves the right to change models and/or catalogues without

warning and without any whatsoever obligation. Further information is provided on

Web site www.skyengines.com

• Aircraft driven by this engine must be used in open spaces only and in areas

reserved for these activities. The user must be aware of all the hazards connected

with the use of this engine and be aware of the fact that it may accidentally switch off.

• For detailed information on the warranty terms, see Chapter 6.0 in this manual

1.2 RECOMMENDATIONS FOR THE PREVENTION OF ACCIDENTS

As the use of this engine can be very dangerous, it is important to adopt all the

necessary precautions both during, before and after the flight in order to avoid severe

accidents.

We advise you to follow the general precautions illustrated below in order to avoid

damages or accidents.

• As the engine does not solve all flying problems, it is important to avoid risky moves.

One of the most common mistakes is flying above areas that do not allow you to land

at very low heights. It is always important not to underestimate the possibility of faults

and the need of having to make an emergency landing.

• Always take into account that the lack of thrust of the engine may affect the flight

stability.

- Pay particular attention to swinging movements caused by the change of trimming

that cause falls of 4-5 meters.

- As the engine could switch off at any time, it is important to make sure you are able

to perform an emergency landing if required.

• ALWAYS avoid flying above water for your own safety and in order not to damage

the engine.

WARNING!!

This is not a certified engine!

It is intended to be used for experimental and not certified engines.

2.0 DIRECTIONS FOR USE

The directions for use provided in this manual refer to models available at the time of

print. Although the manufacturer is not obliged to provide updates on changes, users

may request specific information on the upgrade of single products. For more

information, visit Web site www.skyengines.com.

2.1 FUEL

SKY100 is a 2 stage engine that employs

a mixture of fuel and oil.

Always remember that a correct

carburetion and fuel mixing are essential

to prevent the seizure of pistons fitted on

2 stage engines, which are not covered by

warranty.

ATTENTION!!

MIX FUEL AND OIL WITH A 3% RATIO

USING PREMIUM QUALITY SYNTHETIC

OIL FOR 2 STAGE ENGINES.

Always check the amount and presence of

oil

as THE LACK OR EXCESSIVE

AMOUNTS

COULD DAMAGE THE ENGINE.

WARNINGS!!!

FUEL IS EXTREMELY

FLAMMABLE AND EXPLOSIVE.

ALWAYS PERFORM REFUELING

OPERATIONS OUTDOORS, IN AN

ADEQUATELY VENTILATED AREA AND

WHEN THE ENGINE IS NOT RUNNING.

DO NOT SMOKE CLOSE TO FUEL AND

DO NOT STORE IT IN AREAS WHERE

IT COULD BE EXPOSED TO SPARKS

OR FREE FLAMES. KEEP THE FUEL

OUT OF THE REACH OF CHILDREN.

ATTENTION!!

NEVER MIX DIFFERENT TYPES OF

OILS.

°Only use100% BARDAHL KTS synthetic

oil.

INTERVAL OF

TIME OIL PERCENTAGE

BREAK - IN

SUBSEQUENT

PERIOD

2,5 %

A good breaking-in ensures a long life of the engine and enhances the performance

of its components.

Use the engine very carefully during the first 3 hours of flight.

Do not use the engine at maximum power for extended intervals of time.

Do not keep the accelerator in the same position for several seconds; in this case it is

preferable to open and close the accelerator without increasing the elevation in order

not to force the engine

Use the engine for 10 minutes at a time, then allow it to cool.

Repeat the same operations every time you check the engine.

THE BREAK-IN PERIOD CAN BE CONSIDERED COMPLETED AFTER 3 HOURS

OF FLIGHT OR THE USE OF 10 LITERS OF FUEL!

2.3 STARTING THE ENGINE

SKY100 engine is started by a manual starter. It must strongly pull the rope and

avoid to flooding the engine.

2.2 RUNNING - IN

WARNINGS!

• The exhaust gases of the engine

contain carbon monoxide, which can cause

death. DO NOT START THE ENGINE

INDOORS. ALWAYS VERIFY THAT THIS

OPERATION IS PERFORMED OUTDOORS IN

ADEQUATELY VENTILATED AREAS.

• Always start the engine after it has

been completely assembled as the lack of

some components could cause severe

damage.

• Always handle the propeller with

utmost care at it may reach very high

speeds to the point of becoming hardly

visible. Always maintain a safety

distance.

If the engine is cold, always wait

a few minutes after start-up to

heat the engine and accelerate

at regular intervals to avoid

damaging it.

3.1 FIGURE OF THE ENGINE

1: CYLINDER SK006 11: IGNITION COIL SK033

2: RADIATOR CAP SK013 12: MUFFLER SK040

3: RADIATOR SK010 13: RADIATOR’S HOSES SK011/012

4: LAMINAR BUNDLE SK021/24/26 14: DRAIN RESERVOIR SK014

5: MUFFLER SEAL SK043 15: RADIATOR RODS SK017

6: HEAD + COVER SK007/08 16: GUARD SK001

7: WALBRO CARBURETOR SK019 17: SPIDER SK032

8: MUFFLER MAINFOLD SK045 18: MANUAL STARTER SK036

9: REDUCTION GEAR SK031 19: SILENT BLOCK SK015/016

10: SILENCER SK041

3.2 TECHNICAL SPECIFICATION

TYPE SINGLE-CYLINDER 2 STAGE ENGINE WITH LIQUID

COOLING

SWEPT VOLUME:

102 CC

MAX POWER 18 HP @ 10200 RPM

MAX. RATED

SPEED: 10600 RPM

BORE 55 mm

STROKE 43 mm

REDUCTION MECHANICAL 1:4 OIL LUBRICATED

THRUST: 60 Kg WITH THREE 220 cm VANES @10400 RPM

CARBURETOR WALBRO WG8

TOTAL WEIGHT: WITH LIQUIDS 13 Kg

EGT: 700 °C

CHT: 170°C

MAX COOLANT

TEMPERATURE: 95°C

MAXIMUM

CAPACITY: MAXIMUM WEIGHT OF USER: 90-100 Kg

CLUTCH DRY CENTRIFUGAL

WARNINGS!

The general recommendations included in the Technical Specifications sections are

very important to prevent severe damage to the engine and for the safety of users.

ALWAYS FOLLOW THE INSTRUCTIONS GIVEN ABOVE AND DO NOT EXCEED

THE MAXIMUM VALUES SPECIFIED.

SKY ENGINES SHALL NOT BE LIABLE FOR INJURIES TO PEOPLE OR

DAMAGES TO PROPERTY ARISING FROM THE FAILURE TO FOLLOW THE

AFOREMENTIONED TECHNICAL SPECIFICATIONS.

3.3 ASSEMBLY OF SECONDARY COMPONENTS

3.3.1 SPECIAL ASSEMBLY INSTRUCTIONS

Engine SKY100 is more complex than other models and a greater experience is

therefore required to assemble its components and specifically its internal ones. As

the engine is liquid cooled, the assembly of the components that use the radiator's

coolant requires the implementation of specific tasks that only a skilled mechanics is

able to carry out.

Therefore, all users who are not specifically skilled or trained to perform these

operations SHOULD NOT TOUCH THE ENGINE EXCEPT FOR ORDINARY

MAINTENANCE OPERATIONS, WHICH SHOULD BE PERFORMED FOLLOWING

THE DETAILED INSTRUCTIONS SPECIFIED BELOW. DO NOT IMPROVISE OR

ATTEMPT TO MAKE UNAUTHORIZED CHANGES THAT COULD DAMAGE THE

ENGINES NOT COVERED BY WARRANTY.

• Unauthorized changes could make the engine highly unstable!

• Replace the components of the engine with original SKY ENGINES spare parts to

guarantee a reliable operation.

3.3.2 RADIATOR

Assemble the silent

blocks on the radiator,

then fit the whole

assembly on the radiator

rods.

Threads tubes 1, 2, and 3 in the

corresponding inlets a, b, c of the

radiators. Carefully check the position of the fittings

on the tube clamps straps and make sure

that they have been applied as shown in the

photo.

3.3.3 MUFFLER

Apply sealant glue to the manifold of the

muffler, then position the muffler on the

manifold close to the glue layer, firmly

pushing the pipe union on the manifold.

Firmly tighten the fittings of the muffler with the

silent blocks of the engine frame using two M8 TCCE

screws and washers.

Insert the springs between the

hooks of the muffler and those of the

manifold.

Thread the steel cable between the

hooks that keep the springs in place,

insert it between the springs and fix

them on the side of the manifold, as

shown in the photo.

Indice

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