Alfaccc

Réédition du scorpion

37 posts in this topic

bonjour,

apres Tamiya et Associated,il semble que Kyosho se lance aussi dans la reedition d'anciens chassis:

Coming-soon-Kyosho-Scorpion-Re-Release.jpg

laurent

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un chassis magnifique qui me fait rêver

une réédition est une bonne idée vu le prix d'un original sur la bay

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Behold, the unboxening! Our next Online Build gets underway as we crack open the 2014 Kyosho Scorpion, the much-anticipated re-release of the groundbreaking 1982 machine that would go on to be the first ROAR National Off-Road champion.

Box1.jpg

Kyosho emulates the original 1982 box art for the 2014 model.

box_open_21.jpg

Lift the lid, and you’re greeted by neatly arranged display trays of blister-packed parts. That’s not a blister over the chassis tub, though; that’s the lexan body.

Castings_box_23.jpg

Beautiful suspension castings, gear differential, dogbones and assembled shocks are found on the left tray, with the parts bags tucked beneath them.

Tires_trans_box1.jpg

The right tray captures the mounted wheels and tires, and the mostly-assembled transmission.

Parts_bags1.jpg

The Scorpion looks like it will be a quick build, based on the number of parts.

Decals1.jpg

No paint is required to get the box-art look, you can do it all with the included decals. There are even decals to black out the cockpit around the molded-in driver torso.

Cast_parts.jpg

Here’s where the Scorpion literally shines. The suspension components are like bits of jewelery.

Differential.jpg

The gear differential is assembled for you. It’s greased from the factory, but is sealed via a gasket and o-rings to hold oil.

Gearbox_angles.jpg

The transmission arrives just like this, shown here from the left and right sides. The unusual (by today’s standards) design has a single mesh within the gearbox, with most of the action happening on the motor plate. A slipper clutch is a new addition for the 2014 model, and the gears are now 48 pitch.

Shocks.jpg

The aluminum shocks are assembled and look just like the ’82 dampers, but the plastic parts are improved. The shocks fill from the bottom (oil is supplied) and Kyosho includes a wrench for the knurled seal catridges.

Wheels_tires.jpg

The Scorpion’s plastic rims are dead ringers for machined aluminum and look great with their screen-printed Goodyear logos. The rear tires are very soft and supported by foam inserts, while the front tires are very hard.

Chassis_body.jpg

The lexan upper body fits snugly over the chassis tub. The tub is more of a container for the battery and electronics than a structural part; the real heavy lifting is done by the Scorpion’s aluminum chassis rails, which we’ll see coming together next!

Box_2.jpg

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Here’s a link to the Scorpionunboxing, in case you missed it. With unpacking the kit out of the way, I’m ready to start spinning wrenches. The fun starts with a bunch of aluminum bits…

Chassis_rails.jpg

The chassis rails and steering bellcrank are assembled first, with hex hardware used throughout. The chassis rails are stout, solid-aluminum extrusions that are drilled and tapped to accept the front shock towers and rear suspension arm mounts. The steel rod clamped to the chassis is the “Front Arm Shaft.” It’s essentially a massive hingepin.

Alignment_marks.jpg

Kyosho has thoughtfully etched alignment marks into the Front Arm Shaft so it’s easy to properly center it between the chassis rails. The shaft can also be rotated to alter the caster angle. To help visualize adjustments, the pillow block has a ridge that aligns with setting marks on the shaft.

Servo_saver_bk.jpg

Here’s the servo-saver. You have to work against the spring to snap an e-clip into place and hold the assembly together, but it’s an easy job because the spring is very soft. This makes for a very active servo-saver, which was definitely the way to go with the fragile plastic-geared servos of the original Scorpion’s era.

Diff_installed.jpg

Next, the factory-built gear differential is slipped into the transmission and secured via a cap plate. The bearings slide in easily yet the fit is very precise, which is appreciated when pressing bearings into metal.

Goof1.jpg

The shock tower is attached next. When the motor is installed, it will butt up against the curved plastic piece. This will help prevent a blow to the motor from bending the motor plate.

Update: I put it on backwards, the curved bit should extend away from the transmission, not go behind it.

Shock_tower_gearbox_21.jpg

Same assembly viewed from the front. Not the plate that caps the top of the transmission.

Gearbox_guard.jpg

Moving along…three screws hold the transmission to the chassis, and a three-piece plastic cage wraps the rear of the car. The instructions call for the motor to be installed by this step, but I’m going to do it later in the build.

Shock_tool_2.jpg

From the chassis and transmission assembly, the manual moves to filling the shocks. First they must be opened up, which Kyosho makes easy with the supplied wrench and shock tools.

Shock_explode.jpg

Each shock is sealed by a single o-ring on the shaft and a thin, transparent plastic gasket (not shown) that fits over the seal cartridge. The gasket is a pain to push past the threads–I wish it were an o-ring. Filling the shocks properly for smooth action takes a few tries, as the volume of oil in each shock is very small. One drop makes a difference!

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Ahh…back to the bench for the Scorpion build. Here are links to Part 1 and the unoboxing if you haven’t been following along. All caught up? Good, because we’re about to dig into the rear suspension…

Rear_arm.jpg

Each of the semi-trailing rear arms gets a stub axle and a ball stud before installation on the chassis. The axle spins on a pair of sealed ball bearings, and like the transmission bearings, the fit in the suspension arm is very precise. Note that there’s no drive hex; instead, the “drive washer” is serrated so the wheel won’t slip against it. An upgrade to a hex would be welcome, but we’ll see how it holds up. Gotta keep those wheel nuts tight…

Rear_arm_installed1.jpg

Arm installed. It’s not apparent in this photo, but the standoffs that hold the arm’s hingepin are two different heights, which gives the hingepin a few degrees of anti-squat.

Rear_suspension.jpg

The shocks snap easily into place. Pay attention when you install the shocks, as the front and rears are different lengths and have different spring rates. If you strip off all the springs and open up all the shocks at the same time to fill them, it’s easy to accidentally mis-match the shafts, bodies, and springs–so double check!

Front_arms1.jpg<br> On to the front suspension. A cast-in boss accepts a ball stud for the lower shock end (which I forgot to thread in before snapping this pic), and the elbow-shaped piece combines the hingepin and kingpin. The manual calls for the ball studs to be set at specific heights, which I measured using a set of digital calipers. I have a nice Mitutoyo that I got years ago, but now it’s easy to get cheap digital calipers that are fine for RC work–like these. Very handy.

Tool.jpg

Front suspension assembly continues with the tie rods and upper links. The shock tools also fit the suspension links’ rod ends, which makes it easy to spin the ends into place. Every kit should include tools like these, thanks Kyosho!

Front_suspension_2.jpg

Here’s the completed suspension. If you took time to measure the suspension links precisely, you’ll be rewarded with a properly aligned front end.

Roller.jpg

It’s not actually time to install the wheels and tires, but I couldn’t resist seeing the Scorpion as a roller. Looking good…

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We’re in the home stretch on the 1982 Kyosho Scorpion re-release build. If you’re just joining us, follow these links to the Unboxing, Part1, and Part 2 to catch up. Otherwise, it’s back to the bench…

Chassis_tub1.jpg

With the rolling chassis completed in the last session, attention turns to the tub and electronics installation. The steering servo is installed in the tub’s “cheek,” and if this were 1982 there’d be another servo installed on the opposite side to operate a mechanical speed control. Thankfully, it’s 2014 and there’s an Orion speed control taped to the tub instead. The switch is installed on a pad that elevates it for access with the body on. I installed the Kyosho Synchro radio system and Orion brushless power system from my Kyosho Rage VE to complete the Scorpion.

Gears1.jpg

Here’s the motor installation. The motor mounting holes are not slotted, so gear mesh is fixed. To allow gear ratio changes, Kyosho supplies two sets of pinion and counter gears for a 6.9:1 ratio (the stock setup, which I installed) or a 8.3:1 ratio for hot motors.

Battery_tray.jpg

The battery installs from beneath, and is held in place by a body-clipped door (not shown). The battery tray will hold square-edged LiPos as well as sub-C packs.

Chassis_complete2.jpg

With the tub bolted into place, this build is almost done. Note the large boxed area above the battery compartment, which provides wire clearance for LiPo packs and gives the balance plug a place to go. If you’re using a LiPo with plug-in terminals, you’ll fine cutouts in the opposite end of the tray that will allow the wires to pass through.

Wing1.jpg

Wing installation comes next. The wing wire is pre-bent, and attaches to the wing via a 3-piece bracket.

Wing_installed.jpg

A pair of screws hold the wing onto the chassis via the motor cage.

Unpainted_body_cage.jpg

The upper roll cage is comprised of three pieces that plug together and are secured by the aluminum roof plate. The assembly then bolts to the body. I mocked it up here for a photo but took the cage off for the next step: painting.

Film_masked1.jpg

After spraying the shell with Pactra Racing Finish (RIP) Bright Yellow, I removed the overspray film from the driver figure and shot him in white on the outside of the body–much easier than brush-painting, and it leaves a nice, crisp outline.

Decaled_figure_21.jpg

A blast of red paint wraps up the helmet, and the supplied visor decal allowed me to skip the finicky work of painting the driver’s face. The shoulder straps and black areas are all decals.

Studio_1.jpg

Add a few more decals, and this build is done. Now that’s a sharp-looking car! Read the full review in the October issue of RC Car Action–which sounds far off, but actually goes on sale at the end of the month. Magazine dates are weird…

Static_outdoor_22.jpg

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Magnifique...

j'en ai eu un (l'original), ça fait plaisir de voir ces rééditions.

Si ils avaient la bonne idée de refaire aussi un Javelin !!!! ce serait vraiment super.

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tu as eu l'info ou ? si effectivement,il le reedite,il m'en faut un:in-love:

Mr Blandin,des infos ?

laurent

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un pote fan de vintage m'en a parlé a la dernière course de béthune

mais je n'ai pas encore vérifié l'info

ca ne serait pas étonnant, vu la demande énorme sur ce modele sur la bay

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c'est clair la demande est au plus haut et les prix aussi :cwm23:

laurent

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un pote fan de vintage m'en a parlé a la dernière course de béthune

mais je n'ai pas encore vérifié l'info

ca ne serait pas étonnant, vu la demande énorme sur ce modele sur la bay

C'est clair, avec l'Avante de Tamiya, c'est un des modèles les plus recherché en vintage.

D'ou les prix de folie au quels ils se vendent sur ebay ou autre...

Il n'y a plus qu'a attendre de voir si effectivement Kyosho ce décide a faire une réédition de ce modèle, comme pour le Scorpion.

:=):

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perso celui que j'attend aussi le tamiya big wig avec sa carro sublime

j'en ai vu un sur la bay, 500€ .........

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Jolies photos... ca serait quand meme pas mal de citer la source... mais bon... je sais, :je sonne comme un disque raye"

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Magnifique...

j'en ai eu un (l'original), ça fait plaisir de voir ces rééditions.

Si ils avaient la bonne idée de refaire aussi un Javelin !!!! ce serait vraiment super.

est-ce que les amortos étaient les mêmes bouses que sur l'Ultima??? En gros, tu mets l'huile c'est une pompe a velo, tu fais un pack... ils se sont vidés sur les triangles...

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tu as eu l'info ou ? si effectivement,il le reedite,il m'en faut un

Mr Blandin,des infos ?

laurent

J'ai interrogé l'importateur, réponse à suivre

J'en mets un de coté à la parution

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merci,je n'ose y croire,mais au cas ou,il me le faut avec les quatres amortos option house qui vont bien:grin: ,

laurent

Edited by Alfaccc

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Il faut y croire, arrivent semaine prochaine, un de coté donc

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je ne suis pas sur que l'on parle de la meme chose,je parlais du Javelin,pas du scorpion,on est d'accord,apres si le javelin arrive effectivement la semaine prochaine.....alors oui,il m'en faut un.

laurent

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Argh!!! ,bon c'est de ma faute,ma demande n'etait pas tres claire:TT-TT:

laurent

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Voilà j'ai craqué, le miens est en commande.

j'ai eu un temps un kyosho Scorpion (original), ça va me faire plaisir d'en retrouver un neuf avec cette réédition.

:=):

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Mon Scorpion est bien arrivé a la maison (Merci Christophe)

La je parts quelques jours (eh oui c'est les vacances), je le monterais la semaine prochaine.

:=):

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Voilà le montage de mon Scorpion 2014 est presque terminé.

J'ai juste un petit soucis avec l'arceau principal pour pouvoir le finir et ensuite peinture, montage de l'électronique et je pourrais l'essayer.

IMG_1330.jpg

:=):

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