Instructions
and
Maintenance Manual
Issue 2.6
Hoverfly
1
Page 1: ...Instructions and Maintenance Manual Issue 2 6 Hoverfly 1 ...
Page 2: ...ht but also allows you to gain valuable insight into the Hoverfly s unique features behaviour and capabilities In the majority of cases some sections of the Manual can be skipped and set up will be completed in just a few minutes The Hoverfly is different to all previous model helicopters and a little time spent getting well acquainted with it now will be amply rewarded Have fun Please note Hoverf...
Page 3: ...match for the three propellers fitted to the Hoverfly Its packaging carries a single digit thrust number Two lightweight tubes to attach to the skids whilst learning to fly Hook for threading the tail drive belt during maintenance For convenient safe storage of the Hoverfly s command line For you to customise your Hoverfly 13 Overview of the Hoverfly 14 Maintenance 15 Fitting the Window and Decals...
Page 4: ...Control Processor ECP and the transmitter itself have to be set up correctly For simplicity of setting up we recommend using one of the following Standard types of transmitter FUTABA HITEC JR SANWA This is because these popular types can be set up according to the simple tables in this manual Other types can be used but it will be necessary to use a special procedure to determine the correct set u...
Page 5: ...dge shaped pieces of plastic which are screwed to part of the gimbal mechanism By carefully comparing the left and right stick mechanisms the culprits can generally be spotted Because this involves opening the transmitter it may affect the manufacturer s warranty but it is normally only necessary on inexpensive transmitters without endpoint adjustments The stops can usually be put back later if ne...
Page 6: ... E 4 R 1 C 2 A 3 E 4 R MODE 2 PATCH LINKS FUTABA HITEC JR SANWA VANGUARD SANWA RD6000 Mode 1 Operation The majority of pilots wishing to fly in Mode 1 throttle on the right format either use a transmitter which has been specifically supplied as a Mode 1 unit or one which has a Mode 1 option built in In such cases the Hoverfly set ups will be the same as for Mode 2 On occasions however the owner ma...
Page 7: ...re we suggest is given below You will need a pen and paper i Begin by connecting everything up as in Fig 5 1 with the exception of the Hoverfly itself which should not be connected yet Switch everything on and check that the green Signal light illuminates on the ECP Now switch off the power to the ECP but leave the transmitter on ii Remove all four link wires from the Patch Socket iii Connect Chan...
Page 8: ...ng lies in the path of the propellers and be prepared for them to start up suddenly iii Switch on the mains The gyro will now automatically calibrate itself The process takes about 3 seconds and during this period the Hoverfly should not be moved In normal use this is easy since it will generally be standing on the floor but right now it is held in the hand Therefore try to keep still just after s...
Page 9: ...trol stick movements While the helicopter is resting on the ground or held in the hand it will try to roll to the left when the control stick is pushed forwards or pitch forwards when the stick is pushed to the right etc This is deceiving when trying to test the controls after set up since it appears that the elevator and aileron channels are mixed up THIS IS NOT A MISTAKE and the controls will op...
Page 10: ... to move the grommets you crash Even experienced helicopter pilots do this Unfortu nately because the Hoverfly is so small it is much harder to control when this low because of ground effect It will tend to skitter across the floor at high speed until it bumps into something Be bolder and give the collective a burst at take off to get the aircraft into the air quickly to a height of at least 12 in...
Page 11: ...haft In order to make the rotor turn the engine has to push against its mountings This means that the engine is actually trying to turn the helicopter fuselage just as hard as it is turning the rotor itself This unwanted turning force is referred to as a torque reaction In order to prevent the fuselage from spinning a helicopter is fitted with a tail rotor which is simply a propeller mounted sidew...
Page 12: ...rom the mainframe To do this carefully prise the three limbed elec trical connector 16 off the pins under the main shaft Photo 7 Prise up the limbs progressively so as not to bend the pins DO NOT pull on the wire or plug stem 17 B REASSEMBLY This is basically steps 1 to 8 above in reverse order Pay attention to the following Step 8 One limb of the command line plug 16 has a flat end This carries a...
Page 13: ... otherwise the downward force of fitting can dislodge the lower motor bearing damaging the motor s plastic back plate Propellers are supplied as matched sets of three because it is important that they give equal thrust The packaging carries a single digit thrust number and all three propellers fitted to the Hoverfly should bear the same number to prevent flight wobble WARNING THE MOTORS MAY BE HOT...
Page 14: ...ll ball of Blu Tac 5 6 mm in diameter Stick it to the outer edge of motor 1 Photo 13 4 Fly the Hoverfly again Note if the wobble has improved or worsened 5 If the wobble has worsened try moving the Blu Tac to motor 2 and try again etc 6 If adding weight to any one motor doesn t seem to work then try weighting pairs of motors in turn This gives three more possible solutions 7 Once you have found th...
Page 15: ...tarting from the Hoverfly end so that twists can fall out Alternatively make a really large spool 30cms or more to keep twists to a minimum 3 Be careful to avoid letting the line drag over sharp metal corners such as electrical equipment cases This can scrape the insulation from the wires 4 If the strands separate twist them together again 5 Take care to keep the command line from catching in the ...
Page 16: ... can be rotated into view in turn and a careful eye can spot any difference in arm slant A bent arm can often be straightened again by bending it from the root where it leaves the hub moulding The rotor arms are made from very elastic spruce and extreme care must therefore be taken since the wood must be forced close to breaking point in order to create a permanent bend The process will be easier ...
Page 17: ...here are several different proprietary systems anyway but will be fooled into starting because a signal is present When no signal at all is received the ECP shuts down The transmitter MUST be set to PPM mode ii Incorrect throttle servo reverse switch setting in the transmitter When the stick is set to zero the power is really on maximum Refer to Sections 6 and 7 for the set up procedure iii Incorr...
Page 18: ...hover 250 rpm Tip propeller speed at hover 22 000 rpm Power consumption at hover 25W ECP supply voltage 34V Signalling system 4 channel PPM Pulse Position Modulation 1 52ms centre These ratings are approximate slowly in the normal clockwise direction and gradually build up a bit of speed Put in about 100 turns of twist This will take three or four seconds at medium speed DO NOT LET THE LINE GO SLA...
Page 19: ...Fig 18 1 19 ...
Page 20: ...ercarriage 3001 26 Helicopter command line 3 5 mtr 3001 6 Helicopter command line 6mtr 3002 Signal lead JR Sanwa 3 5mm jack 3003 Signal lead Futaba Hitec 6 way DIN 3005 Signal lead Sanwa 6 way DIN 3007 Signal lead Sanwa RD6000 5 way DIN 5003 13 Dome cap 1004 11 15 Mainframe with commutator 5125 12 Canopy with brace 5128 Window 6303 2 14 Spring collar rotor retainer 2 DECALKIT Red white stripes and...
