ASSEMBLY AND OPERATION MANUAL ™ ARR: HCAB5010 – White HCAB5011 – Yellow HCAB5012 – Red Warranty AquaCraft™ will warrant this kit for 90 days after the purchase from defects in materials or workmanship. AquaCraft will either repair or replace, at no charge, the incorrectly made part. Make sure you save the receipt or invoice you were given when you bought your model! It is your proof of purchase and we must see it before we can honor the warranty.
Hi, I’m Jerry Dunlap, ten time national racing champion and designer of the Top Speed 2. Thank you for your purchase! I know how exciting a new R/C boat can be and I know you’re anxious to get started, but please take time to read these instructions carefully. This manual contains the instructions you need to accurately build, safely operate, and maintain your boat as well as important tips on set-up and racing.
❏ ❏ ❏ ❏ ❏ If the buyer is not prepared to accept the liability associated with the use of this product, the buyer is advised to return this kit immediately in new and unused condition to the place of purchase. SPECIFICATION & DESCRIPTION CHANGES ITEMS REQUIRED TO COMPLETE ASSEMBLY All pictures, descriptions, and specifications found in this instruction manual are subject to change without notice. AquaCraft maintains no responsibility for inadvertent errors in this manual.
compound on self-tapping screws. The thread-locking compound may damage the hull. IMPORTANT: Use threadlocking compound on any fastener that is threaded into metal or fastened with a nut. Vibration from the engine will cause the screws to loosen if thread-locking compound is not used. • Place a mat or towel over your work surface. This will prevent parts from rolling off and will protect the work surface. • Test fit all parts before attaching them permanently.
FINAL ASSEMBLY INSTRUCTIONS REMOVE THE CANOPY Carefully remove your Top Speed 2 and stand from the box. Carefully remove all remaining parts bags from the box. You may wish to keep the box in order to more easily transport and store your Top Speed 2. Decals have been provided for your Top Speed 2. Simply cut them out, peel, and stick! See the photos on the box for a decal placement example. ❏ 1. Locate and remove the body clip and nylon washer at the rear of each side of the cowl as shown.
❏ 1. Use a Phillips head screwdriver to remove the two (2) 3 x 10mm screws holding the steering arm to the upper swivel bracket as shown. ❏ 3. Slide the mounting plate out of the swivel brackets and invert the mounting plate as shown. Be certain to replace the nylon washers between the mounting plate and the upper and lower swivel brackets. ❏ 4. Slide the swivel pin back up through the mounting plate and replace the 4 x 8mm screw. ❏ 5. Put the steering arm back in place and replace the two ❏ 2.
[3mm] above the set up board. The prop thrust angle should be parallel to the surface of the set-up board (0° thrust). Once the desired position is attained, tighten the 6-32 socket head cap screws firmly. Use thread-locking compound and be careful not to overtighten them. Note: You will want to check thrust angle and prop depth after all of the assembly steps have been completed and again before running the Top Speed 2. ❏ K&B 3.5 Engines 7.
*TIP: A body reamer can be used instead. Just be sure to check the size of the hole often and be careful not to make the opening too large. If using a drill bit, be careful not to “blow” out through the wood inside the box. PREPARE THE RADIO BOX ❏ 4. Use a drill with a 7/32" [6mm] drill bit (or use a body reamer) to make a hole for the throttle linkage at the end of the radio box with the servo tray. Keep the rubber throttle pushrod seal nearby for test fit. ❏ 1.
INSTALL THE STEERING & THROTTLE SERVOS ❏ 1. Cut two X-shaped servo arms down to the configuration shown above. Note that the lengths of the remaining arms have also been decreased by one hole. ❏ 7. Put a bead of CA glue on the rubber throttle pushrod seal and insert it in the radio box as shown. ❏ 2. Install two servos with rubber grommets and eyelets as shown. Note: Be sure to install the servos exactly as shown, paying close attention to the location of the output shafts. ❏ 8.
INSTALL THE REMAINING RADIO GEAR It is a good idea at this point to install the rest of your radio gear. ❏ 4. Insert the antenna tube into the rubber antenna exit and thread the antenna up through the tube as shown. ❏ 1. Locate the included foam padding and cut a 2" x 4" [51 x 102mm] section and install it in the bottom of the radio box. PREPARE & INSTALL THE STEERING & THROTTLE LINKAGES ❏ 2.
❏ 6. Locate two (2) screw-lock pushrod connectors. One will attach to the arm of the throttle servo and the other will attach to the throttle arm of the engine as shown. ❏ 3. Make sure the engine is neutral (use the stand to hold the engine straight) and use a felt-tip pen to make a mark where the pushrods meet the holes in the steering servo arms. Remove the pushrods now so that you can easily work with them in the next step. ❏ 4.
secure it by tightening the socket head screw (3/32" [2.5mm]) as shown. Cut off the excess after making sure that there is enough throttle cable to allow the engine to move freely. ATTACH THE COWL PLEASE NOTE: You will need to do four things before you can attach the cowling. Hint: You can use silver solder (GPMR8070) and coat the ends of the cable to keep them from fraying. ❏ 1. Tape your radio box lid shut with the included adhesive tape. INSTALL THE FUEL TANK ❏ 2. Use a drill with a 1/4" [6.
chin to create a balance point for running the O.S. 21 XM or the K&B 3.5SS/K&B 3.5 SX. This balance point is 9-1/2" [241mm] from the back of the sponsons. *The Thunder Tigre 3.5 Outboard weighs more than the other engines and may require additional weight. Modified Engines: Achieving the proper balance with a modified engine required applying 3-5 ounces of weight. Since the “weight slot” only holds 2.75 oz.
PROPELLER THRUST ANGLE PROPELLER INFORMATION PROPELLER SELECTION The Top Speed 2 has been tested with many engine/propeller combinations. A balanced Octura Models X440 has worked well with both stock and modified engines. Octura Models X-Series provides an extensive selection of propellers. In the Octura prop series, the last two numbers indicate the diameter in millimeters. For example, the X442 is larger than the X440 in diameter by 2mm while the X438 is smaller by 2mm.
PROPELLER DEPTH RUNNING THE TOP SPEED 2 The depth of the propeller has an influence on both engine performance and boat handling characteristics. Running the engine with the center line of the prop shaft above the bottom running surface of the sponsons produces less “load” on the engine and allows the engine to reach peak performance. LAUNCH PROCEDURE ❏ 1. Turn the power “ON” to the transmitter and receiver (in that order). ❏ Running with the propeller too high will result in diminishing returns.
different from running alone and water conditions constantly change during a race. Five or six boats racing against one another will create rough water conditions on the race course and to successfully compete in racing situations, it may be necessary to “tighten” the ride characteristics. This can be accomplished by lowering the depth of the propeller or adding additional weight to the front of the boat.
All three national organizations offer both stock and modified engine classes for tunnel hulls like the Top Speed 2. Participation by those new to the hobby of model boating is possible through club events. courses any way you desire, using your imagination to make the races more interesting. Usually the smaller courses will provide more action and excitement.
It is not advisable to run R/C boats on any free-flowing bodies of water such as creeks or rivers. • Before running your Top Speed 2, it is a good idea to check the water-cooling system to make sure all tubes are properly connected and unblocked. HELPFUL TIP • Check over all screws to make sure they are securely fastened. Use a fishing rod with at least 12lb. line and a tennis ball tied to the end to retrieve a stalled or capsized model boat.
ORDERING REPLACEMENT PARTS To order replacement parts for the AquaCraft Top Speed 2, use the order numbers in the Replacement Parts List that follows. Replacement parts are available only as listed and can be purchased from hobby shops or mail order/ Internet order firms. Hardware items (screws, nuts, bolts) are also available from these outlets. If you need assistance locating a dealer to purchase parts, visit www.aquacraftmodels.com and click on “Where to Buy.
