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ALL:  

The radio receiver and receiver battery pack should be located in the same 

compartment as the servo.  
Ideally, the antenna should exit the hull at a reinforced area.  It is recommended that a 
piece of 1/8” ply 1” x 1” with rounded corners be added inside the deck at the place you 
wish to locate the antenna exit.  This reinforcement provides the strength needed to hold 

an antenna tube upright in racing conditions, and distributes the stress of possible impact 
across a larger area to help minimize any damage. 
 
 
We did some experimenting with this, mounting the antenna in several locations.  The 
most convenient turned out to be drilling a hole in the deck, in the flat area behind the 
cowling.  This area was not reinforced, and it worked fine most of the time.  In racing 
conditions, it could conceivably cause problems, but we have experienced none to date. 
 
If you are using a removable antenna (such as Deans), it is recommended that the antenna 
be located as high on the boat as possible.  There is no need to make it particularly 
accessible, in that case. 
 
The ESC and batteries should be located in the forward compartment.  The battery packs 
should be held in place with Velcro or similar hook-and- loop fasteners in order to allow 
positioning for best balance and performance. We recommend the Xipp 12-cell boat ESC 
available from Xipp Inc (www.xipp.com) for competition, or an Astro 212D for sport 
models. 
 

FIBERGLASS: 

 We recommend using a glueless Velcro from the local sewing store, 

which is then epoxied into the bottom of the hull, to hold the batteries. 

 

Battery Pack

ESC

Receiver

Receiver

Battery

Rudder
Servo

Battery Pack

Motor

Summary of Contents for UL-10 Wiggins

Page 1: ...h Street Phillipsburg NJ 08865 FAX 908 454 7882 http www rc hydros com support rc hydros com UL1AB and UL1FG ABS and Fiberglass Assembly Instructions UL 72 Pocket Mechanic UL 10 Wiggins UL 125 Wild Fi...

Page 2: ...of the boat or the spinning propeller may cause irreparable damage to flesh DO NOT put your fingers near the propeller while the batteries are in the boat Serious injury may result DO NOT swim to retr...

Page 3: ...nal IMPBA 1615 Halley Street 5855 S State Road 9 San Diego CA 92154 Fountaintown IN 46130 619 424 6380 www namba com www impba com In Europe contact Electra at either of the following addresses or on...

Page 4: ...l as others Hardware GR1157 Hardware Package Club Racing Recommendations Motor Graupner 700BB Graupner 770 Cobalt or Astro 25 Cobalt Propeller Octura X438 X450 depends on motor requires adapter with G...

Page 5: ...andle the model For ABS be aware that the cut edges of the plastic can be quite sharp Ventilation many glues paints etc have harmful vapors Make sure your building area is properly ventilated Cyanoacr...

Page 6: ...he hobby shop or auto body filler from the auto store to fill the holes Another method which is sometimes used on the glass hulls is to mix epoxy with micro balloons using this as a filler Also it is...

Page 7: ...call this Area B Whether you are racing or not Area B does not change If you intend to use an Astro Flight motor you will need to devise your own motor mount as the Graupner mount does not accept the...

Page 8: ...d that you work on the wing parts as you have time during the remainder of the assembly The recommended method for finishing the wood surfaces is to use a good quality sanding sealer and balsa filler...

Page 9: ...700 BB which comes with the GR1157 you should set the driveshaft at a lower angle Our racing hulls using custom hardware are set so the end of the driveshaft the center of the driveshaft is 1 16 below...

Page 10: ...t is in the water 14 Locate the rudder bracket on the transom to the left of the propeller situated such that the mounting holes will be drilled about 9 16 from the outside edge of the transom see fig...

Page 11: ...as not reinforced and it worked fine most of the time In racing conditions it could conceivably cause problems but we have experienced none to date If you are using a removable antenna such as Deans i...

Page 12: ...cal wings should be flush with the rearmost edge of the sponson ALL The rear uprights are attached to the deck with a 5 outward cant see photo Use 5 minute epoxy for this on the fiberglass hull or JB...

Page 13: ...ish and painting of your model FINISHING The fiberglass UL1FG is made using standard epoxy resin and is compatible with most modern finishing products and techniques You will need to sand fill use aut...

Page 14: ...vinyl decals for this scheme are available from RC Hydros com Our prototype Pocket Mechanic was finished using Model Masters brand enamel in the Guards Red color Two coats were applied over a base co...

Page 15: ...l travel right and 1 3 travel left This gave adequate turn response for left maneuvers but to prevent hooking at full speed the right travel was limited to about 50 when racing with the Cordite motor...

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