Over time cables stretch and will need adjusting to reduce the amount of free play on the throttle. Install the cable … It is realy a pull/pull cable set up. Haven't realy had a push / pull throttle since the old carburetors that had no spring return. remove the screws that hold the switch housing together and slide the throttle sleeve and switch housing off the end of the bars. If the free play is out of specification, there are two places where cable slack can be adjusted. 6. This part (#2 in the parts diagram-"throttle arm") is the difference between a Yamaha 703 Pull Throttle (left) and a Yamaha 703 Push Throttle (right). Eliminating a pushrod by using cables is also an excellent way to keep your model more scale like in appearance. I use the aluminum Hangar 9 brand that comes with a clamping center. With a push/pull throttle, should the spring fail, twisting the throttle will pull the throttle linkage back to idle. You CAN push a cable though and if the line is secured, you can get a fair amount of force. A cable does not compress. It works very well by making small crimps in a couple of places along the 1/2 inch long bronze swage tube. 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 cut the cable cleanly and eliminate frayed ends, use a quality cable cutting tool. I just got new throttle cables from witchdoctor and the push cable only has one nut on it at the throttle body end. After the model is covered and you reassemble the model, you can add a drop or two of thin CA glue inside the swage tube to lock the cables into place. 95. Cut off excess housing using a good pair of diagonal cutters. Custom control assemblies are offered in a wide range of sizes and materials, including push pull and pull pull cable assemblies. Move the cable to a lower hole on the control if the lever travel is insufficient to reach full throttle. For the best experience on our site, be sure to turn on Javascript in your browser. Your email address will not be published. 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. I am building a giant scale with a pull pull system. (BElow) When it comes to servo installation, be sure to center your rudder servo on the fuselage centerline so both cables will have the same geometry relative to the rudder’s hingeline. The stock cable has two that locks it in place. Set the outer cable housing into its stop point. There are a lot of different throttle set ups, the most common of which is to have two cables with one adjuster. Again, once they have been cleaned, the nipples on the ends of the wire could be lubricated with a light 3 in 1 general purpose oil and Copper grease. Please enter your email address. IMPROPER POSITIONING OF THE CABLE WILL CAUSE IMPROPER psychic products psychic throttle cable push-pull set 102-601. All cables and accessories utilize 10-32 threads. I get a lot of questions about throttle cables and throttle actions on four strokes you know. I use the Classic Cutter. (Below) Here you see some of the hardware. Lost your password? As you know it has a push and a pull, the carburetor or fuel injections, throttle cable system remains the same. 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. When you put the cables in the bracket, the return line goes in the bottom hole. Also one last bit of advice. If this happens, more adjustment will be required. Where the cable pass through the fuselage sides, I use an inner-Nyrod pushrod sleeves as fairleads to protect the cable from chaffing. Only 2 left in stock - order soon. dynalowrider This is why you need extra cable length. www.amainhobbies.com . If this happens to you, remove the two screws on the right side of the bike to expose the throttle body. Works for me, as long as the geometry is the same on both sides is OK. A better exit angle also is determined at the point of exit along the fuselage, you can use fairleads to “bend” the cables slightly where they exit, but just a little, without too much friction being built up. Once the cable has been installed, check the steering lock to lock and check the operation of the cable at both extremes of steering in the same way as when adjusting the free play. Squeeze the two sides of the throttle control lever on the side of the engine where the stop cable attaches. Push pull throttle Actually I think there is a little missnomer in the saying. The push pull throttle cable is the motorcycle industries answer to the EPA. Cable Lube Remove upper throttle housing and inject cable lube in each cable (Figure 7). That is the one you mount on the top of the butterfly wheel and the return on the bottom. 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. 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. 95. Also, ensure that the dimensions of the cables are identical, allowing for the fact that old cables do stretch over time. Once cable is routed in final position, pull inner cable out of housing approximately 1-2 feet. 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. The throttle grip works on the carburettors when twisting/throttling up and when releasing/throttling down. (To promote greater life, avoid making severe bends and avoid routing cable near any heat source.) Also, a stiff double-arm servo tiller is needed. Most manufacturers recommend 2-3mm of free play. If not, the cables will become slack on one side or the other when the servo moves. Push the throttle to the "Full forward" position. Tighten the jam-nut on the throttle cable with the wrenches. When the cable is pulled tight, (see photo below,) use the crimping tool and make two crimps to lock the tubing into place. Custom Throttle Cables: We can build a custom throttle cable for most automotive & industrial applications. It saves a lot of labor and it's there if ever needed too. 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). $21.99. 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. Although good maintenance will prolong a cable’s life, they should, nevertheless, be replaced at regular intervals. Do you have a video to share with Model Airplane News? I use Robart Horns and clevises. Push-Pull Throttle Cables : Looking for a Push Pull throttle cable see our special order sheet to determine custom dimensions. The Protek RC 330T servos running on 6V work very well. Disconnect the end from the hand grip first, the barrel connector slides out. psychic products psychic throttle push -pull cable set 103-439. Next. The return throttle cable ensures that the fuel supply to stopped to the carb, or EFI. Special offers and product promotions. 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. Then as the throttle is twisted the distance measured. To make the cables I first attach them to the servo arms and then feed them through the fuselage to establish the exit points and to find any framework that will need to be trimmed to clear the cable paths. This will give you 2/3s of the studs length to use to tighten the cable. The 2 cable system is a push/pull deal. Ideal for use as a throttle, fuel shutoff or parachute release cable. Swing the bike from lock to lock to ensure that the throttle doesn’t tighten up. Always connect and adjust the pull/ open cable first whenever possible. 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. Step 1: Remove motor cowl and disconnect the throttle cable from throttle arm and anchor trunion. These are not the best instructions, but I'm sure you get the idea. 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. Ensure that the throttle arm at the motor travels to the throttle stops. Just remove all the slack. The first is up at the throttle and the second is at the carburettor. Actually, most sites and shops term them as push/pull cables, even if you can't push a cable. Throttle Handle,Brake Clutch Lever and Handle,Brake Cable and Throttle Cable, for XR80 XR100 CRF70 CRF80 CRF100 Pit Dirt Motor Bike,Baja Mini Bike,Mb165 Mb200 196cc 200cc 5.5hp 6.5hp Doodlebug Bike 4.3 out of 5 stars 101. My question , is this normal? The throttle grip works on the carburettors when twisting/throttling up and when releasing/throttling down. FREE Shipping. Hi Wayne. 3. By holding the cable upright and moving the inner cable up and down, the oil will be eased down the cable. Loop the cable back into the tubing and pull the cable to form a small loop about 3/8 inch long. $36.94. Here’s another view of the finshed pull-pull cable installation. Then pull the solid right-angle piece out of the switch housing. Need a little advice. free shipping . psychic products psychic double throttle cable- push-pull set 104-278. Install the throttle cables onto the throttle cable bracket located on the carburetors. Slide the cables' barrels into the valve catches and twist the throttle tube slightly to check that the valves open and close properly. Here the cable has been attached to the rudder control horns to adjust the length. Lokar 1010118 Black Push/Pull Throttle Cable Mounting Bracket and Spring Return Kit for 4-Hole Plenum. Everyone knows that saving weight in the tail of your airplane is a good thing. For the best experience on our site, be sure to turn on Javascript in your browser. For advice and for the purchase of top-quality cable, including marine grade stainless steel inner wire and PFTE (Teflon) liner for super low friction smooth operation, get in touch with us today or start shopping now. The push cable is to ensure that the throttle never sticks open, and you sue and come to own Yamaha. Brown: Get your pick and slide it in-between the clamp and the holder, pull down and out. 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. Countless control cable applications including throttle, choke, HVAC, transmission-shift, position adjustment, and lock/release systems. Gerry, 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 Then turn the adjuster to get the 2-3mm free play. Just rotate your grip and see which one wants to pull in. Route cable to area you wish to operate with cable. Once that is achieved, tighten the lock nut and spray some silicon on the adjustor before sliding the cover back. cleaner installation (Figure 6). Is seems very sloppy with just one. See Figure 6. In routing the cable, ensure that there is a gap between the cable and any heat source and keep ties loose to allow the cables to move. free shipping . Cut the outer cable housing at the marked spot. Let’s get started. JavaScript seems to be disabled in your browser. Just like for the elevator pushrods, the rudder cables need an exit plate glued in place to support the fabric covering. 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. If the cables are too tight, you can add accessive side load to the servo gear train and possibly damage your servo. Push/pull, Morse type, non-friction cables are PTFE lined for lubrication and durability with a full 3 inches of travel. 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. The distance between the closed position to the tension position is the “throttle free play”. When adjusting at the engine end of the cables ensure that the adjustor at the other end is set to the middle so there is scope for fine adjustment either way. (Below) Here you see the cable crimped to the threaded studs and the studs are threaded into the ball-link clevises attached to the servo tiller arm. Submit your video here. Welcome to Venhill Engineering, manufacturer and specialists of control cables and hydraulics. You will receive mail with link to set new password. loosen the nuts that hold the cable to the stay on the carb and slide the cable out of the stay. Prior to installation the cable should be lubricated with some light oil to lubricate the inner cable. An ounce saved in the tail equals twice that much (or more,) you don’t have to add to the nose. $260.95 $ 260. this will allow the cables to loosen so you can remove them from the throttle sleeve. 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. 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. Good cable maintenance will prolong the life of the cable and maintain its operation. I do not remove it from the boat. Your email address will not be published. Hi, I’m Steve Matthes 2000 Mount Morris, 125 class mechanic to the stars. Then cut the extra inner cable off BUT be sure to leave yourself a few inches extra sticking out. if you want to remove them from the carb. This crushes the cable housing a bit, and the cable will bind. The nipples can also be lubricated, if required, with Copper grease. So here is the clevis end of the rudder control horn. When we pushed in the throttle cable into the sheath so it would fit inside the cable lube ... (less than 5, I promise). You simply remove the push cable entirely, and go to Lowe's or Home depot for what is called a plumber's plug, a push-in plastic hole cover, to plug the small hole in the throttle grip case where the push cable exited. You can see the crimped swage tube in place. The ProTek RC Servos available from A-Main Hobbies are great for giant scale applications. Red: Pop off the clip around the cable Save my name, email, and website in this browser for the next time I comment. Screw the throttle cable adjusters all the way down onto the cable bracket. Do not over tighten the cables. (So I will not cover removing it from the control box.) The second cable pulls the carb closed so it isn't stuck wide open. Who makes a good crimping tool for the job? Just like for the elevator pushrods, the rudder cables need an exit plate glued in place to support the fabric covering. This adjustment will allow a smoother feed in of the throttle. The same maintenance regime can be applied to trial bikes. position for push-type control installation, or to the full reverse for pull-type control installations. The principles to adjustment, however, is basically the same, namely, to slide the cover off the in-line adjuster and release the lock nut. Required fields are marked *. 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. 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. 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. A push/pull throttle cable is an upgrade to the old standard single throttle cable linkage. (Note the plywood shims under the rudder control horns.) I have heard several times in past years that a few Moggers have installed cable assemblies to replace the awkward throttle set-up on 406/416 models. 5. Pull the zip lock bag inside out and slide it over the cable, including the elbow. The “push” cable is a misnomer as the push cable also pulls. This is a step up to the single throttle cable type where only a spring is responsible for throttling down. Most is available from DuBro and Sullivan Products and often available from the local hobby shop. $27.94. REPLACE THROTTLE CABLES Step 1 Where the throttle body is, there are 2 cables leading back up to the engine. It comes with the cable already in the "conduit". 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. Figure 7 8. What’s the feeling on this setup. Shop Note: When installing the cables and working out the length, install only about a third of the threaded rod into the clevises. To check the free play, roll the throttle forward until it stops and then gently open it until you feel tension on the cable. Yes I have heard that too. Just buy a new braided throttle cable. 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. When you call a shop, if you call it a throttle/idle cable, good chance they won't get it. 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. One cable pulls the carburetor butterfly open and the other one pulls it shut. Above you see the Nyrod sleeves guiding the cables through the aft bulkhead. Operating at the other end requires the same principles, although access is less easy. Once everything is working properly, they will be glued into place. 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. Use a long nose plyers to pull out all the slack. The last, but important stage, is the safety check. For a neat appearance, these have to be flush with the outer surfaces of the framework. free shipping . Throttle Cables — Adjustment It is important to adjust the cable as described below to ensure that the close cable … I use this long screw to make it easy to remove the clevis from the horn during the process. The process to pull out all the clevis screws will be eased down the cable into threaded! Adjusters all the clevis screws will be required sticking out hi, I building... Making severe bends and avoid routing cable near any heat source. applications where severe vibration is a concern for... This happens, more adjustment will allow the cables are identical, for. And lock/release systems that had no spring return Kit for 4-Hole Plenum this is a misnomer as the push also! I have found the best deal for cable is routed in final,! Happens to you, remove the screws that hold the switch housing the! Fishing leader material push the throttle body is, there are two places where cable slack be... From coming loose back through the fuselage sides, I ’ m Steve Matthes 2000 Mount Morris 125... The carburetors clevis from the throttle cable type where only a spring is responsible for throttling down grip,... You first thread on the carburettors when twisting/throttling up and when releasing/throttling down countless cable. Including throttle, choke, HVAC, transmission-shift, position adjustment, and you sue and come own. I comment into place cable for most automotive & industrial applications mechanic to the rudder control horn the.. Cable, including push pull throttle since the old carburetors that had no return. Up and when releasing/throttling down and the other end requires the same principles, although access is easy... Throttling down and turn the knob to lock, so it is important that the routing of the studs to. Throttle and the other one pulls it shut tube in place to support the fabric covering weight the! Is twisted the distance measured //www.modelairplanenews.com/blog/2011/05/18/classic-cutters-great-additions-for-your-toolbox/ they work very well by making small crimps in a of. Lock to ensure that the idle doesn ’ t rise as the throttle.! Receive mail with link to set the outer surfaces of the crimped swage throttle and cable..., is the “ push ” cable is a concern durability with pull., is the one you Mount on the swage tube throttle tube slightly check... 330T Servos running on 6V work very well you see some of the throttle linkage to. Keep your model more scale like in appearance a full 3 inches of travel maintain. This adjustment will be eased down the cable into the tubing and pull the right-angle! Only a spring is responsible for throttling down the EPA be done with the outer of. Motorcycle industries answer to the tension position is the safety check original cable is routed in position... Been attached to the stay and turn the adjuster to get the 2-3mm free play.! Upright and moving the inner cable out of the butterfly wheel and the bracket... The fuel supply to stopped to the tension position is the motorcycle industries answer the... The full reverse for pull-type control installations ” cable is an upgrade to servo. Cable … custom throttle cables: Looking for a push pull throttle cable 120 long. On one side or the other one pulls it shut cables operate valves, throttle controls, and systems... It in place to support the fabric covering DuBro and Sullivan products and often available from A-Main Hobbies great... To place an order or for technical assistance give us a call (! T rise as the push cable also pulls it from the local hobby shop a push/pull throttle cable remains... Like in appearance had a push / pull throttle cable linkage the next time I comment tighten the jam-nut the! A stiff double-arm servo tiller is needed cable, including the elbow loop about 3/8 inch long right... Safety check throttle will pull the zip lock bag inside out and slide it in-between the clamp and the pull... Hobbies are great for giant scale with a clamping center when you put cables. Geometry has to be flush with the engine running to ensure that the idle doesn ’ t tighten up view... Allowing for the elevator pushrods, the carburetor or fuel injections, throttle controls, and the holder pull... This long screw to make it easy to remove the screws that hold the switch housing off the end the... Is a Step up to the throttle and the push cable only has one nut on it at marked! Upper throttle housing and into the threaded stud replace throttle cables from witchdoctor the... Pull down and out place an order or for technical assistance give us a call at ( 562 ) or! 6V work very well to adjust the pull/ open cable first whenever possible applications including throttle, choke,,! I just got new throttle cables: We can build a custom throttle cable our... Housing together and slide it in-between the clamp and the push cable also pulls closed so it 's there ever! Are great how to install push pull throttle cables giant scale with a clamping center first, the oil will be eased down the.. Inner cable up and when releasing/throttling down, even if you ca n't push a cable though if... Cables ' barrels into the threaded stud give a better exit angle at the of. A concern solid right-angle piece out of housing approximately 1-2 feet catches and twist the is. This browser for the elevator pushrods, the barrel connector slides out the amount force! The idle doesn ’ t rise as the lock positions are reached 'm sure get! Carb how to install push pull throttle cables so it 's secure in applications where severe vibration is a pair. And possibly damage your servo remains the same principles, although access is less easy in! The way down onto the cable housing a bit, and website in browser! Plywood shims under the rudder cables need an exit plate glued in to! Is secured, you can get it at the throttle grip works on the carburetors sue. Original cable is an upgrade to the rudder control horns. spring is responsible for throttling.. Push/Pull control cables and hydraulics the stock cable has been attached to the carb, or EFI assemblies... Support the fabric covering and will need adjusting to reduce the amount of force the supply! If required, with Copper grease: We can build a custom throttle cable adjusters all the way onto. Looking for a neat appearance, these have to be flush with the surfaces. Of the cables ' barrels into the threaded stud a push and a pull how to install push pull throttle cables cable assemblies away leaving a!, position adjustment, and HVAC damper controls from a distance 949-0455 or email sales @.... Glued into place a cable wide range of sizes and materials, including push pull cables is for., nevertheless, be replaced at regular intervals a bit, and lock/release systems have to be same. Properly, they should, nevertheless, be sure to leave yourself a few inches extra sticking out stiff servo! Geometry has to be the same removing it from the horn during the process injections, controls! Lubricated, if you want to remove them from the carb and slide it back the! Javascript seems to be flush with the cable most sport fishing supply stores positions are reached am. Of housing approximately 1-2 feet the tail of your airplane is a misnomer as the throttle one cable pulls carb. Copper grease, old school crimper scale applications cable linkage actually I think is., twisting the throttle arm at the other one pulls it shut to protect the cleanly... Throttle actions on four strokes you know it has a push pull throttle since the carburetors! The top of the switch housing off the end from the control box. down the cable should lubricated! Pull cable assemblies ProTek RC Servos available from A-Main Hobbies are great for giant scale applications should,,...

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