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3500 views: Differances between 'first' edition and 'improved' version
As featured in:
| model | 58016: Sand Scorcher [ click here for more Sand Scorchers ] |
| status | Extra info |
| date entered | 04/01/2009 14:08:50 |
| description | Here is an attempt to distinguish the differences between the first and improved version of the Sand Scorcher. I emphasize attempt, since consensus still remains to gather on some of these matters, like the front bumper (see http://www.tamiyaclub.com/forum/index.php?showtopic=43909&hl=black+bumper). It seems like Tamiya also gradually changed the parts, making it difficult to differentiate clear between a 1st and 2nd edition Sand Scorcher (see, for instance, http://www.tamiyaclub.com/forum/index.php?showtopic=42541&hl=bodypost*), hence the title above. Whether the differences also apply to the Rough Rider, I will not dare to even mention, although I have a suspicion 
The photos are divided. The first section shows the first generation whereas the second section shows the latter edition. Firstly, front arms are different (photo 1). The later edition arms are a little thicker. Secondly, the rear arms differ (see photo 2). The first edition had a two bearing slot. Thirdly, screws are fitted into the front axle mounts securing the springs opposed to later moulded fittings (photo 3). The bodyposts were also altered (photo 4). Until now it was believed that the first edition had a T-top, but according to Thelegos and Thanos it is possible that the T-top came later (see their comments below). This change is therefore open for discussion! Fiftly, the servo savers have been changed. The first version saver is quite tight around the servo saver spring while the other is larger in this area allowing the spring to fit more easily (see photo 5). This caused, however, the new servo saver to rub the front suspension cross bar. Therefore, the fixing hole for the body post and servo saver had to be put further back on the later chassis giving extra clearance. Photo 6 shows the first edition plate laying over the newer one. Also, two small holes were later drilled into the mechanism box lid (photo 7). People have also commented on the colour of the radio boxes, some very light and clear and others slightly more tinted. It is nearly impossible to say one is early, the other late. Most likely they are made from different manufacturers of parts, like some castings are very fine and smooth, others rougher finish and darker colour. Gearboxes were changed. The later version was stronger and had a long moulded point where the rear bumper attached. The earlier gearbox also had two lugs cast into the front recess where the chassis and rear tub mount are fixed, and the two idler shaft bosses on the 'motor' side have a link piece cast between them. In addition, the earlier box has the lower end of the semi-circular roll bar locations squared off but the latter box has the open semi-circular profile top and bottom. Photo 8 shows these changes. The gear box covers were changed (photo 9). The new cover was made a little larger, which means that the earlier cover did not fit the new gear box. Finally, the color of the bumper (photo 10) with or without buggy/bugy and text written on, see the link above. I was not aware of all these changes until Thelegos told me, see his comments below. He also provided me with lots of photos and good descriptions making this post easier to complete. Thank you mate for your dedicated help )
I hope this post can be to some help for you SRB fantasts out there. I have learned a lot at least
I have also made comparisons between the Mk1 and Mk2 Fox. |
| contact | Click here to email fritjofarnold |
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Excellent guide :L I have two 'one former owner' Scorchers - one is 'Mk.1' apart the servo saver & pivot position, the other is 'Mk.2' apart from the front body post ... I also think I might have found another difference for you: on my 'mk.1' the UJ's are brass, on the 'mk.2' they are black/green passivated & I suspect steel underneath?
Very interesting guide!
thanks for good info! lloks like I have MK1 gearbox on mine with double bearing rear arms. I wonder why they changed to single bearing rear arms?
Love the info, thanks a ton. One quickie: I'm guessing the later gearbox cover will fit the MK 1 gearbox I just picked up on e-Bay (sans cover)?
Nice worK Fritjof, Rodger and Thanos. The only part I changed on my MK1 rough rider was spring part of the servo saver as it was split. I have used a mk2 one. Now I can put the original back on
Wow Fritjof, you've been busy. The way you have cut the pictures together makes it very easy to compare. Nice work
Thank you again Thelegos
Spotted another difference in the gearboxes whilst looking at ebay toaday ! The MK 1 box has the lower end of the semi-circular roll bar locations squared off but the MK 2 box has the open semi-circular profile top and bottom.
Excellent information. If the front body post was moved, does that mean that the factory hole for the Scorcher body was moved a little too? Or is it such a small amount it doesn't really effect it too much?
Each steps gets us a little further, Thelegos and Thanos
Thanos is right, some later covers had a small hole directly over the pinion gear centre. Both my Super Champs do but only one Scorcher. It seems the list gets longer
I also have a MKI chassis with the front body post having only a hole.I also think its the first run since its very rare to find and not so easy to use as the T type.Also small holes were used to the later type gear covers also used in Super Champs.
The earlier gearbox also had two lugs cast into the front recess where the chassis and rear tub mount are fixed, and the two idler shaft bosses on the 'motor' side have a link piece cast between them. I agree there are cars with a mix of both, I've got known 'one-owner' cars with mixed styles. I have 10 Scorchers but have never had a body post with a hole, all are the T type. There is a maroon red SS in my showroom which is complete as built when new and has all the features people call 'MK 1' I have also noticed that early gear and motor covers have a 'matt' look to them and had MK 1 gear covers that will not fit a MK 2 gearbox, too tight over the cast bosses near the pinion.
I agree Thelegos. Since the chassis plate is different, I will take a photo of that too
I believe the early servo saver is the one with the tight loop, the later one had the bigger loop which allows the sping to fit more easily but extended right to the front of the moulded piece, because of this it will not fit the earlier chassis as it rubs the front suspension cross bar. If you compare the chassis you'll see that the fixing hole for the body post and saver is further back on the later chassis which gives extra clearance.