Becs Posted March 31, 2013 Posted March 31, 2013 The idea of building a large semi truck has been in my head for a long time, but I haven't had enough parts to realize it until recently. When Sheepo posted his Peterbilt, it finally spurred me to gather the parts needed to go ahead and build it. I've always liked Volvo and Scania trucks because they are Swedish and are most common here I chose to make a Scania because they have lots of reference material on their homepage. I don't have the skills to fill it with gearboxes, brakes and air suspension, like Sheepo, so I had to make it more exiting in another way. I made a steered rear axle and a fairly accurate steering linkage like on a real Scania. But still it didn't feel enough, something was missing. A trailer was required. But then I thought, why be satisfied with one trailer? Why not make two and make it a b-train It is IR-controlled, not only driving and steering, but also fifth wheel on the truck and the first trailer and support legs on both trailers. The fifth wheel i got from Sheepo's Peterbilt. Let's go ahead with the pictures: Front view Rear view Here you can see the twinsteer in action And the required underside view Truck and trailers parked next to each other All connected Lastly a picture of the truck with my black 8070 just for size reference. Some dimesions Truck: Length: 63cm, Width: 26cm, Height: 26cm (33cm with roof spoiler), Wheelbase: 41cm, Weight: 4,1kg Link-trailer: Length: 100cm, Width: 25cm, Height ~36cm, Cargo area: Length 74cm, Width: 25cm, Height: 21cm Semi-trailer: Length: 122cm, Width: 26cm, Height ~37cm Total rig length: 233cm Lots of space needed to drive it around I've made some LDD-files of the truck and trailers, you can find them and all pictures in my brickshelf folder (once it's moderated). I hope to make a video tomorrow, got too dark to make it tonight. Comments and criticism are welcome. Becs Quote
Alasdair Ryan Posted March 31, 2013 Posted March 31, 2013 Very nice truck. I see you have also added suspension which is nice to see. Quote
legomuppet9 Posted March 31, 2013 Posted March 31, 2013 That is absolutely frickin' massive Good job Quote
bb15080 Posted March 31, 2013 Posted March 31, 2013 I like the way you just the batterybox as fueltank good job Quote
Becs Posted March 31, 2013 Author Posted March 31, 2013 Thanks for the comments, I'm glad you like it. With this scale I felt it had to have full suspension, though the front suspension is pretty stiff and move less than a half stud partly About the batteryboxes, my first thought was to hide them in the cab, but then I saw that empty space between the axles. The two outermost BBs are empty and the inner are split, one for drive and steer, the other got fifth wheel and lights. Quote
Lakop Posted March 31, 2013 Posted March 31, 2013 A very nice build. You say you don't have the skills to fill it with gear boxes and air suspension but it looks like you are well on the way to developing them. I must make one myself. H Quote
Milan Posted March 31, 2013 Posted March 31, 2013 I like Scanias, too. Very well built truck! Front is also very nice. Twin steer is great addition. Only criticism is a somehow messed proportions of the truck, it is a little bit wide for that (daily) cab. Quote
Bricksonwheels Posted April 1, 2013 Posted April 1, 2013 (edited) Cool work, especially the functionality. I also have to agree with the proportions, the truck is too wide. A Scania cabin of this series is under 2.50 mtrs. I have attached a drawing so you can see the exact dimensions: Your truck being 1:10 scaled, should not be 26 cm, but 25 cm at the side of the wheels. This would also include some smaller fenders and a wider chassis. For a version II that would be a great step forward in accuracy. Edited April 1, 2013 by Bricksonwheels Quote
efferman Posted April 1, 2013 Posted April 1, 2013 the problem are the tires. in 1:10 they are in real only 948mm in diameter. so every semi tractor looks to wide in 1:10. a tire with 104mm in in diameter and 33mm in width woudt fit much better for 1:10. the solution would be a smaller scale and a super single setup instead a dual tire setup. Quote
Becs Posted April 1, 2013 Author Posted April 1, 2013 Just to clear it up a bit, the rear fenders are 26cm, the cab is 25cm. Which is about right at the back of the cab, but the problem is I built it square where the real cab is narrower in the front. I agree with it looking slightly out of proportion, I think it's partly because of above reason, and partly because of the low roof. I modeled it after the P-low sleeper cab instead of the more common P-normal. Quote
jorgeopesi Posted April 1, 2013 Posted April 1, 2013 It is a great idea to use the unimog hubs, they support the weight of the truck better than a single axle. When I see the Peterbilt I suggested to him that solution for the front axle but refused to remove the brakes, I can not wait to see how it manages. Quote
Becs Posted April 1, 2013 Author Posted April 1, 2013 The hubs work well with the weight, but the mounting is not as great. I used a similar solution like yours with the 42000 hubs, so sometimes the bottom mount jumps loose. Regarding the video, unfortunately the only space I got which is camera friendly is not drivable As you can see in the pictures, the floor is covered with carpets. Too lumpy and soft for this heavy truck Not much to show anyway, the truck drives slowly and it can turn, the trailers got support legs and can be coupled and decoupled remotely. Quote
timslegos Posted April 1, 2013 Posted April 1, 2013 That is one massive truck! I would love to see a video of it running. tim Quote
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