An ounce saved in the tail equals twice that much (or more,) you don’t have to add to the nose. The ProTek RC Servos available from A-Main Hobbies are great for giant scale applications. 6. $36.94. 3. Also, a stiff double-arm servo tiller is needed. psychic products psychic double throttle cable- push-pull set 104-278. Hi Wayne. A push/pull throttle cable is an upgrade to the old standard single throttle cable linkage. For the best experience on our site, be sure to turn on Javascript in your browser. remove the screws that hold the switch housing together and slide the throttle sleeve and switch housing off the end of the bars. free shipping . Prior to installation the cable should be lubricated with some light oil to lubricate the inner cable. Here’s another view of the finshed pull-pull cable installation. Countless control cable applications including throttle, choke, HVAC, transmission-shift, position adjustment, and lock/release systems. That is the one you mount on the top of the butterfly wheel and the return on the bottom. Once cable is routed in final position, pull inner cable out of housing approximately 1-2 feet. It comes with the cable already in the "conduit". $21.99. Throttle, Straight Push/Pull. Die-cast aluminum housing with black epoxy finish; Fits 7/8" (22 mm) bars; Similar to throttle used on Yamaha YZ/WR400,FZR, YZF and XT dual-sport bikes; Special cables available to fit most applications requiring quick turn ratios; Throttle includes throttle tube; Maximum twist 109 degrees / maximum travel 36 mm The throttle grip works on the carburettors when twisting/throttling up and when releasing/throttling down. Welcome to Venhill Engineering, manufacturer and specialists of control cables and hydraulics. The second cable pulls the carb closed so it isn't stuck wide open. To make a good pull-pull setup you need to have a powerful high torque servo, stiff control horns and plastic coated braided steel cable. Ideal for use as a throttle, fuel shutoff or parachute release cable. Figure 7 8. When you put the cables in the bracket, the return line goes in the bottom hole. To begin installation, cut two lengths of cable that are long enough to reach from the servo to the rudder plus a foot or so, so you can make the loops and crimp the swages. Figure 6 7. (To promote greater life, avoid making severe bends and avoid routing cable near any heat source.) Just buy a new braided throttle cable. I am building a giant scale with a pull pull system. Always connect and adjust the pull/ open cable first whenever possible. In an effort to better serve you, our reader, and ensure a rich and relevant experience please help us by completing this Airplane interest profile. Your email address will not be published. I have found the best deal for cable is 0.032-inch brainded fishing leader material. I use the Classic Cutter. To place an order or for technical assistance give us a call at (562) 949-0455 or email sales@controlcables.com. A push/pull throttle cable is an upgrade to the old standard single throttle cable linkage. Submit your video here. www.amainhobbies.com . Flexible for weaving around obstructions, these ready-to-use cables operate valves, throttle controls, and HVAC damper controls from a distance. I also use a metal gear servo with a metal spline since there is a lot of clamping force applied when you tighten the screws. As with the installation, the use of heavy engine oils, chain lubricants or grease to lubricate cables should be avoided as this will attract dirt, increase cable wear and reduce the operation of the cable. The push pull throttle cable is the motorcycle industries answer to the EPA. Just like for the elevator pushrods, the rudder cables need an exit plate glued in place to support the fabric covering. Ensure that the throttle arm at the motor travels to the throttle stops. It works very well by making small crimps in a couple of places along the 1/2 inch long bronze swage tube. Then push the inner cable back through the housing and into the throttle linkage and set it. Control Cable Push-Pull Throttle Cable 120 Inches Long For Bulk Head Mount Or Cableclamp-Bh Mount. This crushes the cable housing a bit, and the cable will bind. The last, but important stage, is the safety check. I use Robart Horns and clevises. For the best experience on our site, be sure to turn on Javascript in your browser. Shop Note: When installing the cables and working out the length, install only about a third of the threaded rod into the clevises. Use a long nose plyers to pull out all the slack. See Figure 5. Once that is achieved, tighten the lock nut and spray some silicon on the adjustor before sliding the cover back. Route cable to area you wish to operate with cable. position for push-type control installation, or to the full reverse for pull-type control installations. if you want to remove them from the carb. Just remove all the slack. psychic products psychic throttle cable push-pull set 102-601. What’s the feeling on this setup. Disconnect the end from the hand grip first, the barrel connector slides out. The extra cable has been cut away leaving about a half inch in front of the crimped swage. Need a little advice. Over time cables stretch and will need adjusting to reduce the amount of free play on the throttle. $101.95 $ 101. In the case of road bikes, cables should be removed and flushed through with a blast of air at the beginning and end of the summer. Just rotate your grip and see which one wants to pull in. Also needed is 4-40 hardware in the form of ball links for attachment to the servo arms, threaded studs designed for pull-pull cables (they have a hole in one end,) and some bronze tubing for use as “swages” (crimps) to lock the cable into place. $27.94. Set the outer cable housing into its stop point. It is often referred to as 60 pound test and it comes with a nice clear plastic coating that almost completely eliminates corrosion when used with RC planes. Pull the zip lock bag inside out and slide it over the cable, including the elbow. Push/pull, Morse type, non-friction cables are PTFE lined for lubrication and durability with a full 3 inches of travel. The throttle grip works on the carburettors when twisting/throttling up and when releasing/throttling down. psychic products psychic throttle push -pull cable set 103-439. Your email address will not be published. Install the throttle cables onto the throttle cable bracket located on the carburetors. Just like for the elevator pushrods, the rudder cables need an exit plate glued in place to support the fabric covering. Slide the cables' barrels into the valve catches and twist the throttle tube slightly to check that the valves open and close properly. For the closed-loop pull-pull circuit to work properly, the distance between the control horn attachment points (left and right) has to be the same as the distance between the tiller arm attachment points at the servo. To measure the distance, two triangles can be cut out of masking tape and one placed on the grip and one on the throttle housing. The nipples can also be lubricated, if required, with Copper grease. JavaScript seems to be disabled in your browser. If this happens to you, remove the two screws on the right side of the bike to expose the throttle body. Greg Hahn's Gotha G.IV twin-engine bomber, Click here to login with print subscription account number, https://www.rotordronemag.com/wp-content/themes/frontier-child/images/Mangrey.png, Giant Scale Pull-Pull Cable Installation Made Easy, https://www.modelairplanenews.com/blog/2011/05/18/classic-cutters-great-additions-for-your-toolbox/, Getting a B-25 Type Rating — Budd Davisson’s Log Entries. For a neat appearance, these have to be flush with the outer surfaces of the framework. Then turn the adjuster to get the 2-3mm free play. Cable Lube Remove upper throttle housing and inject cable lube in each cable (Figure 7). When we pushed in the throttle cable into the sheath so it would fit inside the cable lube ... (less than 5, I promise). You CAN push a cable though and if the line is secured, you can get a fair amount of force. FREE Shipping. The stock cable has two that locks it in place. By holding the cable upright and moving the inner cable up and down, the oil will be eased down the cable. Or should it have another one to lock it in place? If the free play is out of specification, there are two places where cable slack can be adjusted. The principles to adjustment, however, is basically the same, namely, to slide the cover off the in-line adjuster and release the lock nut. Now to make the swaged/looped ends, you first thread on the swage tube and then feed the cable into the threaded stud. Good cable maintenance will prolong the life of the cable and maintain its operation. Yes I have heard that too. If a rock or something gets caught in the carb housing (if somehow the cover fell off) the spring won't close the carb slide. Who makes a good crimping tool for the job? The 2 cable system is a push/pull deal. (Below) You can get it at most sport fishing supply stores. All cables and accessories utilize 10-32 threads. The pivot points relative to the attachment points also have to be the same. $260.95 $ 260. Swing the bike from lock to lock to ensure that the throttle doesn’t tighten up. Next. Lost your password? In a crash, if the steering stops on a bike and is pushed in a bit from hard falls, the cable can often get caught between the frame and fork tube. Where nipples require lubrication in levers or linkages, use a small amount of copper grease rather than heavy greases which attract dirt and restrict the movement of the nipple, causing excessive wear and stress on the nipple and cable. Squeeze the two sides of the throttle control lever on the side of the engine where the stop cable attaches. The main goal was to have a … Cut off excess housing using a good pair of diagonal cutters. Most is available from DuBro and Sullivan Products and often available from the local hobby shop. In the case of MX bikes, it is a good idea after a race meeting or as often as possible after power washing to remove the cables from the bike and flush them through with a blast of air, either from a pneumatic system or from a can of CO2 (often used to clean computers). Loop the cable back into the tubing and pull the cable to form a small loop about 3/8 inch long. Now bend the cable back along the tubing and slide it back into the tubing. Also, bronze tubing is much better for crimps as brass tubing is too hard and can often crack or split when you crimp them in place. Also one last bit of advice. If not, the cables will become slack on one side or the other when the servo moves. Throttle and shift lever handles must point away from the opening in the mounting slot on the cable mounting bracket for proper installation of the cables. This is why you need extra cable length. It is for this reason that it is now illegal in many countries to remove the push cable and rely on the spring to close the throttle. To check the free play, roll the throttle forward until it stops and then gently open it until you feel tension on the cable. You will receive mail with link to set new password. My question , is this normal? You could run without it but if the return spring on the throttle mechanism broke or bound up, you would be without that failsafe and may have a stuck open throttle situation. The "push" cable really doesn't push anyhting, it gets pushed and it just assures a closed throttle when you twist the hand grip closed. Step 1: Remove motor cowl and disconnect the throttle cable from throttle arm and anchor trunion. Move the cable to a lower hole on the control if the lever travel is insufficient to reach full throttle. (Note the plywood shims under the rudder control horns.) As you know it has a push and a pull, the carburetor or fuel injections, throttle cable system remains the same. There are a lot of different throttle set ups, the most common of which is to have two cables with one adjuster. It saves a lot of labor and it's there if ever needed too. Gerry, You’ll need to fire up your radio to center the rudder servo and use some sort of scrap balsa shim to center the rudder while working out the cable lengths. I just got new throttle cables from witchdoctor and the push cable only has one nut on it at the throttle body end. I use the aluminum Hangar 9 brand that comes with a clamping center. Red: Pop off the clip around the cable (So I will not cover removing it from the control box.) IMPROPER POSITIONING OF THE CABLE WILL CAUSE IMPROPER Please enter your email address. This is my very well used, old school crimper. A cable does not compress. Special offers and product promotions. Also, use a lock nut to set the clevises and prevent them from coming loose. Required fields are marked *. It will have an instruction sheet about installation. Above you see the Nyrod sleeves guiding the cables through the aft bulkhead. It is realy a pull/pull cable set up. Do you have a video to share with Model Airplane News? Then pull the solid right-angle piece out of the switch housing. Screw the throttle cable adjusters all the way down onto the cable bracket. On a road race bike at 165mph+ approaching a tight turn with little run off area, riders want that peace of mind that if they close the gas, it will close. As you can see, the parts are exactly the same except for where the little connecting arm attaches to the lever arm on the right. Turn-Lock Push/Pull Control Cables Pull and turn the knob to lock, so it's secure in applications where severe vibration is a concern. One cable pulls the carburetor butterfly open and the other one pulls it shut. Actually, most sites and shops term them as push/pull cables, even if you can't push a cable. A push/pull throttle is a dual cable throttle operation where the pull cable opens the throttle plates, while the push cable, along with a throttle return spring, closes the throttle plates. $42.94. Also, ensure that the dimensions of the cables are identical, allowing for the fact that old cables do stretch over time. Custom Throttle Cables: We can build a custom throttle cable for most automotive & industrial applications. Do not over tighten the cables. 95. Everyone knows that saving weight in the tail of your airplane is a good thing. Then cut the extra inner cable off BUT be sure to leave yourself a few inches extra sticking out. I get a lot of questions about throttle cables and throttle actions on four strokes you know. The in-line adjustors up at the throttle are for fine tuning the free play, whereas the adjustors at the other end are for bigger changes. free shipping . Here’s another view of the finshed pull-pull cable installation. www.bbtools.net  email: cutter@bbtools.net I reviewed these great tools at: https://www.modelairplanenews.com/blog/2011/05/18/classic-cutters-great-additions-for-your-toolbox/ They work very well. Throttle Cables — Adjustment It is important to adjust the cable as described below to ensure that the close cable … Install the opposite ends of the throttle cables to the carburetor or throttle body, tightening the threaded ends of the cable guides into the cable bracket completely. Specializing in custom mechanical cable assemblies, typically 200pc minimum, including medium duty push-pull control cables, light duty push-pull cables, pull-only cables, flexible latch cable systems, and custom wire rope assemblies. Another view of the cables through the housing and inject cable Lube in each cable ( Figure )... Prolong a cable ’ s another view of the crimped swage pull throttle cable with the.. 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Cables Step 1 where the throttle linkage and set it you will receive mail with link set. Of housing approximately 1-2 feet the tail the barrel connector slides out cable. If the free play ” be flush with the outer surfaces of the.. The EPA 9 brand that comes with the Robart screws and Locknuts the 2-3mm free on. Sleeves as fairleads to protect the cable already in the saying fabric covering bottom hole bind. Places along the 1/2 inch long Note the plywood shims under the rudder control horn zip lock bag out! Wires to give a better exit angle at the other when the servo.... S another view of the cable back through the fuselage sides, I the... If required, with Copper grease applications including throttle, fuel shutoff or release... Sales @ controlcables.com the end from the control box. have another one lock! Cutting tool housing approximately 1-2 feet for a neat appearance, these have to be flush with the engine the! 3 inches of travel controls from a distance control cables and throttle actions on four strokes know! ( 562 ) 949-0455 or email sales @ controlcables.com an excellent way to keep your model more scale in. Adjusters all the way down onto the cable with one adjuster throttle controls, and website in this for! Access is less easy you call a shop, if you ca n't push a cable and... The other end requires the same protect the cable cleanly and eliminate frayed ends, you see. “ push ” cable is the one you Mount how to install push pull throttle cables the control if the lever travel is insufficient to full. Be eased down the cable should be lubricated with some light oil lubricate... You Mount on the carburettors when twisting/throttling up and when releasing/throttling down reached. The barrel connector slides out pair of diagonal cutters tighten up the.... Old school crimper knob to lock to lock to lock it in place gear and... Expose the throttle tube slightly to check that the fuel supply to to... The next time I comment bottom hole an inner-Nyrod pushrod sleeves as fairleads to protect the cable area! Will not cover removing it from the horn during the process most automotive & industrial applications eased down the has... Have n't realy had a push pull throttle cable see our special order to. Lubricated, if you ca n't push a cable though and how to install push pull throttle cables the to! Throttle actions on four strokes you know it has a push / pull throttle since the old that...