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Showing results for tags '7720'.
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Hi all, some days ago I was watching some videos of LGB G-Gauge trains running in the garden. They're big and very well done...and really out of budget for me. So I wondered if I could replicate such a big locomotive using Lego. And trying to be cheap!!! A big train like that needs: an XXL PF Motor; a simple PF battery box; a PF receiver; a PF remote control. All in all we're at about 50 Euros from Lego Shop. 4 large flanged wheels from Lego or BBB (3 Euros each - 12 Euros) - our total increases to, let's say, 65 euros. Then, it's time to think about a body - it must be as simple as possible, sturdy, and without too many special parts. Since I was not particularly inspired (in these days I'm playing a lot with the new Lego Boost set) , I used a well known Lego model. Yes, it is what is seems - a 7720 multiplied by 2 - 32 studs long, 12 studs wide. Even the Voltage is doubled . This was painted blue, otherwise the two red "lights" would disappear. Since track is now quite small - I chose to draw only one central buffer, suggesting this is a narrow gauge model. As you can see it is simple as it can be. I think I can try to stay below the 100 euros limit. Then, this weekend I began to prepare the mock-up to test how heavy it could be, if everything fits inside and so on. Here below you can see the yet unfinished 7720 on steroids . In this photo I used a 45mm track from G-gauge - it is actually a part of LGB track. This big girl will be able to travel on both tracks. Reasoning in studs, the L-gauge puts 4 studs between the wheels, while the G-gauge requires exactly 5 studs. Since wheels will be mounted internally respect to the fake suspensions, both gauges can be achieved by adding or removing two half Technic bushes between the wheels (one per side, so 4 studs + 0.5 stud + 0.5 stud =5 studs). But we want to be cheap - and LGB track are not - so we'll keep the standard Lego track. You cannot see it from the photos, but the black part is all made by 3x2 and 4x2 parts - too small - but I had only those around. Inter-axle is 15 studs - BBB wheels can handle the R40 radius, but this is an heavy locomotive, so I think I'll shorten the inter-axle to 13 studs. Now I'm studying how to transmit power to the wheels - I was tempted to use a chain-driven system based on lego 3711 parts, but it costs a lot and I'm not sure how much weight and torque it can handle. I'll end using the Lego 32702 gears - they seem right and are cheap enough. Let's see how this develops!!! I personally am very curious to see it in action! Ciao! Davide
Hi all, I'd like to show you a little thing I made 6 years ago for my daughter...and then became unused on the shelf since it was "retired" by Duplo trains. It was a sort of DB E69, used to transport frogs and penguins (all made with Lego Basic sets instructions). After she saw the real 7720 she liked the whole set. So I created a newer "clone" of the 7720 locomotive. This weekend I decided to revamp it a bit to make it work again. So I modified the roof, the handrails, the pantograph (which now is very similar to swiss ones) and made it a bit more "studless". The battery car is now blue instead of Yellow. It was - and still is - powered by a Medium PF motor, since it was not Infrared controlled and the standard PF train motor was too fast. Instead of IR receiver, it kept a "vintage" solution to be started. I used the PF lever the same way the 7720 used the red lever on battery box car. The IR receiver can be put inside the battery car if needed. As you can see, I have the same 7720 inverters placed on PF track...and the result is the following (sorry for the video quality, the phone cannot do better than this). The cat likes this "reversing" feature a lot! Next steps: two long two axles wagons resembling the 7720 ones, and the white doors on blue wagon created in SNOT mode (or a simple sticker, if I fail ) It is a silly train, but I hope you like it!
Blah, blah, blah, blah, blah from Kitchener Ontario . . . . . Canada. Till someone shows me something more substantial, home of the biggest most complex 12V lego train layout in the nation. There's only one 12V set that I can recall being sold here and it was the 7857 crossover track to my knowledge. Everything else had to find it's way here via a number of different countries world-wide. My interest was primarily spurned on wanting and then receiving lego train set #7715 one Christmas in the 1980's. I was young and thought that it would be much cooler to have 7715 plus the stupid battery set, over 7722 which had the battery operation more "integrated" let's say. But what got my interest going in the 12 volt stuff was seeing the mini-catalogue that came with the 7715 set and displayed 7745, 7866 and other great late sets in the 1980's grey track collection. It might seem funny, but I always thought that set # 7860 was stupid, because as a child I just assumed that it was like the illuminating bricks, look, the light is changing, I didn't know that it actually could stop and start the train remotely. So . . . here I am today, and most of this layout has been in the basement like this for a while now. There's three 12V engines and in this layout - both ends of 7745 are equipped and one in the 727 train. Even though it looks pretty integrated, it's not there's two completely different circuits and then two completely different transformers with them. Long story short,I was moving a bed into the room (it's in pieces) you can see the mattress and boxspring on the wall there, and invited my now 7-year-old nephew over to play with the big train just one last time and then had some friends over (adult friends) and we went nuts playing with it, and I'm thinking that the bedroom in the basement can wait. Proof that I'm Canadian lies in the outlets and the hockey puck collection on the wall. Just some shots of the honest beginnings. The end goal is something more city-like and visually appealing, a Youtube video and then probably a tear down to be honest or move so that I can get that double-bed in there. I'm looking at a local opportunity to acquire another 7745 train, along with some more track components (honestly, i have absolutely no idea what another one of these is doing here??) Some pics to enjoy, I've been looking through this thread and trying to see similar and not many layouts. To be very honest, this layout is Very space efficient! Hoping to update weekly and we'll see if I can't turn this into something to be proud of.