GRAUPNER GmbH & Co. KG D
Changes reserved! No liability for printing errors! 8/2012
RC Electric Semi
A HoTT remote controller with 3 functions is needed
a HoTT GR
OPERATING INSTRUCTIONS
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scale Model for 3S LiPo approx. 800 mAh
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12 receiver is
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73230 KIRCHHEIM/TECK GERMANY
1
for Order no.
T-
28
Wingspan 650 mm
already installed in the model
9926.HOTT
GRAUPNER GmbH & Co. KG D-73230 KIRCHHEIM/TECK GERMANY
Changes reserved! No liability for printing errors! 8/2012
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Please be sure to observe the safety instructions in the appendix of these operating
instructions. If the model is given to another person then the complete operating
instructions must be included with the model as a reference.
General
The T-28 model is an easy-to-operate semiscale model with outstanding flight
characteristics. The model is delivered in a "ready for HoTT“ (RFH)" condition.
It is equipped by standard with a high-quality GR-12 HoTT receiver and a
GraupnerLiPo battery 3S 800 mAh 11.1 V.
Assembly notices
The figure shows the individual parts of the package. You do not need any
tools for the assembly. Only the adhesion of the rudder assembly (2) with fast
setting glue Ord. No. 5821 (not included) is required. The hook-and-loop strip
(4) has two parts and is provided to fix the Li-Po battery in place (5). Please
observe that the LiPo battery (5) is packed separately in another carton. After
fitting the cockpit (3), the center of gravity can be tested.
The center of gravity
The center of gravity is 50 mm from the separation line between the hull and
wing. The position of the center of gravity is tested by supporting the model
under wing in the center of gravity area using two fingers. The model should
GRAUPNER GmbH & Co. KG D-73230 KIRCHHEIM/TECK GERMANY
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stop rocking back and forth at a horizontal attitude. If necessary, shift the LiPo
battery accordingly.
The figure shows the marks for the center of gravity on the bottom of the hull.
Binding the GR-12S receiver to your HoTT transmitter
The "BIND" procedure depends on the HoTT COMPUTER SYSTEM to be
used. Please pay attention to the following notices as well as those notices in
your remote control unit's manual about "Binding" the transmitter and receiver.
First, fully charge the LiPo battery and the transmitter's battery. Move the right
joystick on your transmitter to the rear into its "Motor OFF" position. Now
switch the transmitter on and start the "BIND" process.
Please observe that the receiver system is switched on with the connection of
the BEC plug connector.
To press the SET button of the receiver GR-12 HoTT, it can be left in the
model as shown.
GRAUPNER GmbH & Co. KG D-73230 KIRCHHEIM/TECK GERMANY
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Perform a test of rudder functions after the "BIND" process has been
completed. The servos are to be plugged into the receiver
as follows: socket 1 speed regulator, socket 2 aileron servos, socket 3
elevator servo For mode 1 this means that motor speed regulation and
directional control are performed with the right joystick and that elevator
control is performed with the left joystick. Make any necessary corrections to
servo operating direction and to put flaps into their center positions (neutral
positions). Now perform a motor test by pushing the right joystick forward.
Please be sure to observe the safety instructions in the appendix of these
operating instructions.
Control surface throws
We recommend the following maximum throws (as measured at the respective
control surface end edges): aileron and elevator 4 mm each. Control surface
throw is adjusted by way of the transmitter. Pay attention to the respective
notices posted in your HoTT COMPUTER SYSTEM manual.
Flying
Test fly the prepared model when there is no wind or only a light wind. A level,
open area is an optimal location for flying. Never perform take-offs or landings
between buildings or trees because the model is difficult to control where the
air is swirling. With the motor running, thrust the model per hand-start into the
air against the wind. For the initial hand-start, a starting assistant is needed,
so that you can perform any quick control corrections as necessary. Start the
model with its nose pointed upward slightly (about a 15° angle). It is absolutely
necessary to trim the model, particularly after the first take-off. Make the
landing exactly into the wind with the motor switched off. Before setting the
model down, reduce its speed by gentle doses of elevator throw. Always land
the model against the direction of the wind.
Take the LiPo battery out of the model and recharge it right after a flight.
This prevents the battery from becoming deep discharged, which can
cause damage to the LiPo battery.
GRAUPNER Modellbau wishes you many pleasant flights with this new flying
model.
T-28
GRAUPNER GmbH & Co. KG D-73230 KIRCHHEIM/TECK GERMANY
Changes reserved! No liability for printing errors! 8/2012
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Replacement parts (not included)
Order No. 9926.12 Propeller with spinner
Order No. 9926.21 Propeller coupling
Order No. 7621.3BEC LiPo spare battery 11.1V 850mAh
Repair notices
For the replacement of the propeller with spinner and the propeller coupling,
the following tools are required. (not included)
Phillips screwdriver, SW 8 wrench and SW 2 Allen wrench
The replacement of the propeller is performed by unscrewing the two Ø 2x10
mm fastening screws for the spinner cap, then pulling the propeller off towards
the front.
With an SW 2 mm Allen key, unscrew the fastening screws of the propeller
coupling and then it can be replaced.
Adhesive for adhering the rudder assembly as well as any repairs (not
included)
Order No. 5821 Fast setting glue
Order No. 953,150 Activator for fast setting glue
GRAUPNER GmbH & Co. KG D-73230 KIRCHHEIM/TECK GERMANY
Changes reserved! No liability for printing errors! 8/2012
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Important disposal notice for batteries:
Some countries have laws requiring that all used batteries be turned over to
an authorized collection center.
Disposing of batteries along with common household garbage is forbidden.
Old batteries can be turned into communal collection centers for disposal at no
charge or they can be returned to one of our dealerships or anywhere else
where batteries of that given type are sold.
Batteries which we have delivered can be returned to us, postage prepaid,
through the mail for disposal. Please use the address shown below for this
purpose. You make a significant contribution to environmental protection by
doing this!
Graupner GmbH & Co. KG
Service: Used batteries
Henriettenstr. 94-96
73230 KirchheimunterTeck, Germany
Batteries containing hazardous materials are marked with one of the symbols
shown below in order to call attention to the ban on their disposal with
household waste. Beneath each symbol is the chemical abbreviation for the
metal substance contained.
Cd Hg Pb
Battery or cell contains: 1) Li-Po: lithium-polymer 2) Cd: cadmium, 3) Hg:
mercury, 4) Pb: lead
Instructions and warning notices for use of the LiPo battery
Incorrect handling can lead to explosions, fire, smoke and poisoning hazards.
Furthermore, disregard for these instructions and warnings can lead to
reduced performance and other defects.
The LiPo battery's capacity is reduced by every charge/discharge cycle.
Storing the battery at temperatures which are too high or too low can also lead
to a gradual reduction in capacity.
The LiPo battery may only be charged with the charger included in the
package. Any manipulation to the charger can lead to severe damage. The
charger station must be placed on a non-combustible, heat resistant, nonconducting surface during the charging process. Combustible or readily ignited
objects are to be kept away from the charging configuration. Batteries may
only be charged under supervision.
GRAUPNER GmbH & Co. KG D-73230 KIRCHHEIM/TECK GERMANY
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Avoid a short circuit condition
Never short-circuit the battery. A short-circuit allows very high current to flow
and this heats up the cells. This will lead to loss of electrolyte, the production
of gases and perhaps even explosions. Avoid having electrically conducting
surfaces in the vicinity of, or while handling, GraupnerLiPo batteries because
of the danger of creating a short-circuit condition.
Housing foil stability
The aluminum-laminate film foil that makes up the outer surface of the battery
can easily be damaged by sharp objects like needles, knives, nails, etc.
Damage to this outer foil makes the battery useless. A short-circuit condition
can cause the battery to burn.
Temperatures above 70 °C will also damage the housi ng and destroy its seal.
This will cause loss of electrolyte, the battery becomes useless and its
disposal is necessary.
Mechanical shock
A LiPo battery is not as mechanically stable as batteries in metal housings.
Therefore avoid mechanical shocks caused by dropping, impacts or bending,
cutting, tearing and deforming. Never drill into the battery housing foil or bend
or twist the LiPo battery.
If the LiPo battery is damaged, it may never be used or returned to service
again. The characteristics of damaged battery cells include: damaged housing
packaging, deformed battery cells, the odor of electrolyte or leaking
electrolyte. Damaged or useless cells are hazardous waste items and must be
disposed of accordingly.
General warning notices
A LiPo battery must never be burned under any circumstances.
The battery must not be submerged in liquids, such as water, seawater or
beverages. Any contact with liquids, of whatever nature, is to be avoided.
AnLiPo battery is not a toy and must therefore not get into the hands of
children. Store LiPo batteries out of the reach
of children. The LiPo battery must not get into the vicinity of babies or small
children. If a battery is swallowed, immediately go to a doctor or emergency
medical facility.
The LiPo battery must not be put in a microwave oven or put under pressure.
Smoke, fire and more can be the consequences.
Never dismantle a LiPo battery. Dismantling a battery can cause internal
short-circuits. Gas, fire, explosions and other problems can result.
The electrolyte and electrolytic vapors in the LiPo battery are harmful. Be sure
to avoid all direct contact with electrolyte. If electrolyte comes into contact with
GRAUPNER GmbH & Co. KG D-73230 KIRCHHEIM/TECK GERMANY
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skin, eyes or other body parts, immediately wash or rinse it out with generous
amounts of fresh water then be sure to consult a doctor.
General safety notices
The RC aircraft is suitable for youths of 14 years or older, however it is not
suitable for beginners.
Liability insurance which is in force is required to operate model aircraft. This
is required by legal statute.
The entire operating instructions must be carefully read before attempting to
put the model into operation for the first time. You are solely responsible for
the safe operation of your RC model aircraft. Youths who operate the model
must be responsibly supervised by an adult who is familiar with the
circumstances and potential hazards involved with RC model aircraft.
From a legal point of view, a model aircraft is an aircraft and, as such, subject
to respective laws that must absolutely be observed. The pamphlet »Model
aviation law"«, order no. 8034.02, presents a summary of these laws. This
pamphlet can also be reviewed at dealerships.
Only those parts included in the kit as well as those replacement parts which
we expressly recommend may be used. If a component in the drive unit is
changed, safe operation is no longer warranted and all rights under the
guarantee are voided.
Always keep the necessary safe distance between the flying model and
persons or obstacles; never fly over or toward other persons!
Model flying activity may only be pursued when outdoor temperatures are
between -5 C and +35 C. Extreme temperatures lead to degrading changes
in battery capacity and material characteristics.
Every model pilot is to behave such that public safety, in particular other
persons and property, are neither endangered nor disturbed.
Never fly the model aircraft in the vicinity of high-voltage transmission lines,
industrial premises, residential areas, public streets, school yards or
playgrounds and the like.
If you are a novice to model flying, it is advantageous to have an experienced
helper at your side during the checks and the first few flights.
Motor-driven propellers present a constant injury hazard. They may never
come into contact with any body part! A rapidly turning aircraft propeller can,
for example, sever a finger!
A blockage of the propeller by any kind of part must be precluded.
The model's flying attitude must always be explicitly recognizable during the
entire flight in order to ensure secure control and maneuvers. If functional
impairments or disturbances become evident during a flight, a landing must be
initiated immediately for reasons of safety. You must always avoid other
GRAUPNER GmbH & Co. KG D-73230 KIRCHHEIM/TECK GERMANY
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aircraft. The take-off/landing strip must be free of persons and other obstacles.
Always ensure the batteries are fully charged or new as otherwise the flawless
operation of the RC system cannot be assured.
Graupner GmbH & Co KG manufacturer's declaration
Content of the manufacturer declaration
If there should be an evident material or processing defect in one of the
objects marketed in the Federal Republic of Germany and purchased by a
consumer (§ 13 BGB) we, the company Graupner GmbH & Co KG,
Kirchheim/Teck, accept responsibility for eliminating the object's defect within
the scope as specified below.
The rights acquired through this manufacturer declaration cannot be asserted
by the consumer when the object's usage impairment is due to natural wear,
use under competitive conditions, improper usage (including improper
installation), or external causes.
This manufacturer declaration leaves the legal or contractual provisions for
defect claims and the consumer's rights in the purchase contract with respect
to the seller (dealer) unaffected.
Scope of guarantee performance
In the event of a guarantee claim, we reserve the right to choose between a
repair or the replacement of defective goods. Further reaching claims, in
particular claims for compensation of costs in conjunction with the defect
(e.g. assembly/disassembly costs) and remuneration for consequential
damages – when legally permitted – are excluded. Claims based on legal
regulations, in particular those associated with product liability law, are
unaffected by this.
Prerequisite to guarantee performance
The purchaser must assert claim for guarantee performance in writing, which
is to be accompanied by the original purchase receipt (e.g. invoice, receipt,
delivery note) and this guarantee card. The purchaser must also return the
defective goods to the following address at his/her own cost.
Fa.Graupner GmbH & CO KG, Service Department,
Henriettenstr. 94 -96, 73230 Kirchheim/Teck, Germany
The purchaser is to state in the claim the nature of the material or processing
defect or the defect's symptoms specifically enough that a review of our
guarantee obligation is possible.
The transportation of the object from purchaser to us as well as return
transportation is at the risk of the purchaser.
GRAUPNER GmbH & Co. KG D-73230 KIRCHHEIM/TECK GERMANY
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Period of validity
This declaration is only valid during the entitlement period for making claims
as stipulated by this declaration. The entitlement period is 24 months from the
item's date of purchase by the consumer from a dealer in the Federal Republic
of Germany (purchase date). If claims are made for defects after expiration of
the entitlement period or the defects in the claim are not substantiated as
required by this declaration or documents are only submitted after expiration
of the entitlement period, then the purchaser is not entitled to rights or claims
under this declaration.
Limitation period
To the extent we do not acknowledge liability for a properly submitted claim as
specified by this declaration within the entitlement period, all rights of this
declaration have a 6 month period of limitation from the point in time of claim
submission but not earlier than the end of the entitlement period.
Applicable law
This declaration and all claims, rights and obligations arising therefrom are
governed exclusively by German substantive law without the norms of
international private law and under exclusion of applicability for the UN
Convention on the International Sales of Goods.
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