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choc-ice last won the day on April 1 2012

choc-ice had the most liked content!

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About choc-ice

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    Kart Driver

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  1. choc-ice


    I've got 3 Pontiacs. A 1977 TransAm because the Carrera ones are too expensive to drive and crash. A 1977 LeMans sedan, because what we're dealing with here is a complete lack of respect for the law. And a 1976 Firebird Esprit. This took a lot of work to change from the usual TransAm to Jim Rockford's Esprit model, but what can you do on $200 a day, plus expenses?
  2. Good point, well made. I use PTC Creo for the modelling as it's what I use for my day job. I'll make a limited number of kits, but you'll need to sit down before checking the price of the coach. AUS$515 is not cheap, but it makes the Mini look good value at AUS$43
  3. Not a raid truck, but these are cheap right now. And you can turn it into a slot car with a motor pod and steering
  4. This was a much bigger task than I first imagined. Here's the idea: build the Harrington Legionnaire coach from the 1969 Italian Job film, sounds straightforward? What this actually translated into was: 1. Design the coach with its opening rear doors, floor to let the Minis drive inside, steering and everything else to make such a huge vehicle work on a regular Scalextric track. 2. Agonise over how to manufacture a few copies. Slush cast? Pressure cast? 3D print? A mixture of a 3D printed front, slush cast roof and fabricated floor? Revisit this several times over the course of its development. 3. Source some Mini Coopers and almost fall over in horror as I realise they are far too rare and expensive to mess about with. 4. Make a resin Mini bodyshell. 5. Come up with a completely new chassis to fit under the Mini with its tiny overhang, the main problem being a rear axle contrate gear that's smaller diameter than the tiny wheels and tyres. Yeah, yeah, stop the moaning and get on with the pictures, will you? As usual, the coach started with a 3D model Make sure the Minis will fit inside, design a steering system which is a modification of my normal system being wider and linked together. The torque to move all of this comes from the same 2 stage gear reduction system used on the truck I built last year. Not especially speedy but plenty of go to deal with all the weight. Hinged doors and ramp came next. And they were printed. it's 340mm long, 13½ inches! Paint, graphics and we're done! For the Minis I made a resin bodyshell based on a mixture of Scalextric and Airfix parts The chassis uses motor and rear axle from the Carrera Go cars. It doesn't need suspension like my other slot cars as Minis don't lean in corners, but it does need steering so I used the front end from my PCS32 steering. Get the graphics done and build it up. And this is how they look together. When I've got a little more time I'll do a video for these, but the Minis seem to work well on the track. And so does the coach. Don't be a wimp with the power, kick the tail out and get it sliding so the inside rear wheel doesn't drop off the inside curve.
  5. Holy thread resurrection, Batman! This came up on a Google search as I was looking for images of Petty's '72 Charger - I'm trying to create the graphics sheet for my 1:32 version. I hope mine ends up as good as yours.
  6. There weren't many people who looked at the VW in the early '60s and thought "yeah, that's a racing car right there" especially against a Mini which has a reputation for good handling. But in 1963 at Mount Panorama this race was going on for dozens of laps. And you've got to say they look good in those colours. The Volkswagen won by the way! Over in America at the Nassau Speed Week there were VW saloons racing against the Formula Vee single seaters. In fact there were VWs racing all over the place, sometimes without too much care for their condition by the end of the race. Below it looks like the earlier qualifying heats were "enthusiastic". In early 1968 this little car was at Riverside, California. This one was had the engine and brakes from a Porsche 356 which must have made for an exciting drive, but as the driver was Carey Loftin it was nothing he couldn't cope with. Unlike the Scalextric car which is based on the large window Beetle (>1965 in Europe and America but >1968 in Australia), this is a small window Volkswagen. It does have the Deluxe "towel rail" bumpers moulded in, so if you want to replicate a Standard bug you'll need to get busy with the scalpel. This kit also comes with resin wheel inserts for 5 stud wheels so it's as accurate as can be. Full (yes, really full) assembly instructions are here and if you want the full chase-cars experience of some body lean and steering you'll need one of the new 012-604 chassis suitable for narrow cars. While my usual American cars are set up to lean as much as possible, you can adjust the suspension travel to give just the right amount of lean for a VW at speed. And here's how the finished car looks. If you need a companion to this car, this will be coming soon, an Intermeccanica Apollo Or you might know it better as the Thorndyke Special Let me know if you want one
  7. Even the best quality 3D print takes a few coats of paint, sanding back in between. So not much difference, maybe twice as many? The cost of the body is the first advantage, the second is that the SLS process makes a bodyshell that's tough enough to race if you only want to make 1. That's not possible with an SLA or 3D printed part.
  8. To make new bodyshells for my cars I make a master, a silicone mould and then resin casts. Even when you add in some vacformed windows and interior it's still a lot cheaper than the £50,000+ that the major manufacturers use for injection moulds. And with the cars I make, the break even point would be hundreds of years... I now work with a local company to do the silicone moulding and resin casting but the biggest cost has always been making the master for the silicone mould. I've used various types of 3D printing, SLA, and FDM but even though my chassis are made with SLS process (selective laser sintering), I've never tried it for a master bodyshell. However I recently got in touch with a place in London and they said they could make a much higher resolution part than I'd had before. Could this combine the low cost of SLS with the accurate surface finish of the better 3D prints? The next candidate for a bodyshell was the AMC Matador, probably the most common TV and film police car until the 1977 Dodge Monaco came along. I got the 3D surface data for a 1971 model Then got a bureau service to stitch the surfaces together so it could be made. Most 3D models have holes in the surfaces where the edges don't quite meet; it's not a huge problem when the car is used in a computer game but it can't be 3D printed like that, the mesh has to be complete. I uploaded the file, paid about 30% of what an SLA would cost and waited, nervously, for two weeks. Then this arrived! It looked fantastic, the powdery surface was still there but it was much tighter than the SLS usually is, certainly much finer than my SLS chassis. I tried it out for size on a chassis, although I'd done all the checks on the computer before so I wasn't too worried about it fitting properly I then washed it, dried it and put some primer on. Then sanded it down and primered again. It took about 5 coats, sanding down between each one, before I was satisfied that the surface was good. Then I got busy with the silicone mould as usual. Today, the first resin casting came out of the mould and it looks great. The window apertures need a little more cleaning up but the surface quality is excellent. It still needs windows, but I'm hoping one of my existing interiors will fit, and the wheel centres are similar to the later Dodge I already have. I see lots of this, in the car's future
  9. Time to bring this up to date! I've used the Sheriff's car as police car in most of my videos at some point And as most people buy them to use with an orange car, I thought I'd do the same. No video yet, but I took some photos. When I can think of a storyboard for the video I'll shoot one Fitted with Scalextric digital chips and SureChange guide to never miss a lane change, even with the tail out and leaning over. The chassis is much simpler to build if you compare the photo below with the original at the top of this page. And it's easier to adapt to other bodyshells.
  10. Whenever you want, I just sent a parcel to Australia last week. People who watch old films late at night are all over the world
  11. A car like this needs something to chase it, so I made this And made some graphics I modified the chassis too, so it's easier to build. It fits all my cars but it's about 30% quicker to assemble And it works really well! I made the body posts on the police car a little longer so it sits higher, all the better for leaning through corners. Now I just need to make 60 more police cars
  12. That looks great! I love the bull bar on the front, it's on my list of things to do....
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