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Everything posted by dtomsen
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It appears that BlueBrixx paid for the injection moulds themselves ?
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Very impressive...and massive ?
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I want as many niceties as possible but turn it on, set a speed and let it run by itself for a couple of hours is non-negotiable for events
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I'm almost certain now that the power off also happens with the BB RC Remote without any new signals
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1st test run: 1h 45m (maximum speed) The total weight of the load was 444g. I'm now pretty sure it's 500 mAh The speed was almost constant to the end. Approx. 15 min without an active signal to the SBrick or PFx Brick and the battery box powers off.
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Testing with the locomotive from set 7939, 1 x PF Train motor and 1 x IR Receiver: Approx 13 1/2 min without an active signal and the battery box powers off by itself. Oh crud
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Probably the first Photo found online of the insides of the very similar looking battery box from CaDa:
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Now it gets interesting The cardboard box: Parts - "Don't eat it" The battery box and included micro-USB cable: The battery box itself: Weight: 58g or 2 ou Insides - 2 cell with apparently 500 mAh capacity each or probably both However I can already confirm that the battery box works with the LEGO IR Receiver out of the gate without the BlueBrixx RC Remote but for how long without an active signal remains to be seen during the duration tests later today
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As far as I understand it, LEGO holds few to no copyrights or patents for most parts anymore except a fiercely enforced so-called 3D trademark for anything resembling a minifig even slightly. The building brick market is wide open whether one likes it or not. And BlueBrixx did get smacked very hard for selling Chinese original sets with minifigs. They had to remove each and every one of those from all sets, Boy oh boy did they whine...
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I plan to use the battery boxes as just that, battery boxes. They have PF connections and should be able to transmit power to any PF motor through either an IR Receiver, SBrick or PFx Brick and thus be controlled by them. The big show-stopper would be if they have a poorly implemented auto power off outside their own closed control system, shutting down after a set time without an active signal from the RF remote. If so, they would be worthless to me anyway but I'll find out for sure when I get them ? If they are anything like the CaDa ones it should work, 3:26 ?
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I'll run an extended endurance test when I get my battery boxes, hopefully before the weekend I didn't order the RF remote, so they better work with either the IR Receiver, SBrick or PFx Brick. Any other suggestions besides opening them up to look inside which I won't do?
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The Bluebrixx battery box looks very similar to the recent CaDa rechargeable one (and is in all likelyhood made by them or at least the same factory). Pictures of the inside of the latter one show it's a 2 cell, just like the LEGO rechargeable battery box was. The older 5 bricks high CaDa one had a total capacity of 900 mAh, also with 2 cells. My best guess would be around 750-900 mAh but maybe we should just ask Bluebrixx for more transparency
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LEGO Rechargeable Battery Box 8878: Internal current limitation: 750mA Capacity: ~1100 mAh Norminal voltage:: ~7,4V Souce: https://philohome.com/batteries/bat.htm No way does the Bluebrixx battery box have 10 times as much capacity but neither half as much. Either way, with a micro-usb charger one can always add a powerbank and prolong the running time several times over if necessary And the price is 1/5th of the LEGO one (not in production anymore), 1/10th of the BuWizz one and a little less than the current AAA PUP one. It's like comparing apples and oranges but for most of us it surely still beats homemade solutions
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If not, they will be in a lot of trouble as they are based in Germany and operate under EU law
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Maybe this rechargeable battery box with built-in RF and mico-USB charger just released from Bluebrixx could work as the alternative?https://www.bluebrixx.com/de/assortments/401171/RC-Empfaenger-mit-Akku-Box-2.4-GHz-BlueBrixx-Special
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[MOC] DSB Litra MZ I & III (8-wide locomotives)
dtomsen replied to dtomsen's topic in LEGO Train Tech
Getting the hang of how luminous colors and intensity work in Stud.io. Night time. -
[MOC] DSB Litra MZ I & III (8-wide locomotives)
dtomsen replied to dtomsen's topic in LEGO Train Tech
A bit more testing... The Litra B passenger wagon do handle R40 curves and R40 switches.....but Houston, we got a problem with the lever Another test video: 2 x PF L-motors, 20:12 upgearing2 x BuWizz 2.0 Maximum normal speed (7,2v), forward The weight of the locomotive alone is approx. 1.040g and each wagon is approx. 900g, so the total weight of the train set in the video is close to 5 kg. -
Fx Bricks (Michael Gale) announces Fx Track system
dtomsen replied to HoMa's topic in LEGO Train Tech
Well, at home R40 looks too small for my trains and R104 is too large, so R72 fits right into what I need and want. R56 and maybe R88 too. R104 or larger is for events only and how many do we need for that, truth be told ? LGMS can stipulate whatever they want, lots of different standards out there outside that grouping, both at home and for larger collaboratory train layouts at events ??? -
Fx Bricks (Michael Gale) announces Fx Track system
dtomsen replied to HoMa's topic in LEGO Train Tech
Great news ? I especially noticed the reference to a power pickup on the package....done right this can be a potential game changer imo. -
[MOC] DSB Litra MZ I & III (8-wide locomotives)
dtomsen replied to dtomsen's topic in LEGO Train Tech
Thanks and since you mentioned them...my DSB passenger wagons: DSB Litra B Litra B was the most common passenger wagon for several decades and built by Scandia in Denmark. A total of 291 were built from 1964-1983. Though modernized once, all were out of service by 1997. A few became museums pieces, others were repurposed but most were sold to Iran in 1998. My model: DSB red & black livery used in the 1980s. Scale: 1:48 Length: 62 studs from buffer to buffer Width: 8 studs Bricks: 1.169 Wheels: Ball bearing type Designed: 2020 Updated: 2022 Technical drawing: All renders are done on the very high setting in Stud.io with custom decals added in the PartDesigner tool. The doors can be removed and repositioned as open: The roof can be removed providing access to the interior: Toilet Rear with rubber diaphragms: DSB Litra A Litra A was the first class version of the much more common Litra B and also built by Scandia in Denmark. A total of 25 were built. The first batch of 15 in 1966. The second batch of 10 in 1974. All were taken out of service in 1997-1998. One survived as a museum piece, a few were repurposed but most were sold to Iran in 1998. My model: DSB red & black with the yellow stribe (signaling first class) livery used in the 1980s. Scale: 1:48 Length: 62 studs from buffer to buffer Width: 8 studs Bricks: 1.243 Wheels: Ball bearing type Designed: 2020 Updated : 2022 Bogie: Train wheels with ball bearings.: DSB Litra BcA total of 7 sleeping wagons were rebuilt from the older and much more numerous DSB Litra B passenger wagons and re-entered service from 1993.All were taken out of service in 2001. One survived as a museum piece. The rest were scraped in 2001.My model:Scale: 1:48Length: 62 studs from buffer to bufferWidth: 8 studsBricks: 1.211Wheels: Ball bearing typeDesigned: 2020 Updated: 2022 DSB Litra Bk The kiosk wagons were rebuilt from the older and much more numerous Litra B and BD passenger wagons. A total of 35 wagons were rebuilt. 26 Litra Bs from 1972-1974. 9 Litra BDs in 1977. Most were taken out of service in 1993 and the rest in 1998.One survived as a museum piece, a handful were scrapped, most were sold to Iran in 1993 and the rest in 1998. My model: DSB red & black livery used in the 1980s with the vertical white catering stripes added in 1983. Scale: 1:48 Length: 62 studs from buffer to buffer Width: 8 studs Bricks: 1.164 Wheels: Ball bearing type Designed: 2021 Updated: 2022 DSB Litra B (older livery)DSB Litra B was the most common passenger wagon for several decades and built by Scandia in Denmark.A total of 125 were built in the maroon livery from 1964-1966 and repainted red & black in 1967.Though modernized once, all were out of service by 1997.A few became museums pieces, others were repurposed but most were sold to Iran in 1998.My model:DSB maroon livery with the highly recognizable crown logo typical of the 1960/70s.Scale: 1:48Length: 62 studs from buffer to bufferWidth: 8 studsBricks: 1.218Wheels: Ball bearing typeDesigned: 2020 Updated: 2022 Complete set (with my old roof design): -
[MOC] DSB Litra MZ I & III (8-wide locomotives)
dtomsen replied to dtomsen's topic in LEGO Train Tech
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[MOC] DSB Litra MZ I & III (8-wide locomotives)
dtomsen replied to dtomsen's topic in LEGO Train Tech
Testing... 2 x BuWizz battery boxes with 2 x PF L-motors at fast speed through switches on a straight oval track: 2 x BuWizz battery boxes with 2 x PF L-motors powering the locomotive only at ludicrous speed on a straight oval track -
[MOC] DSB Litra MZ I & III (8-wide locomotives)
dtomsen replied to dtomsen's topic in LEGO Train Tech
All renders updated with the Dark Red 1 x 2 Brick with Grille which I would have used in the first place had I known the part had become available in that color -
[MOC] DSB Litra MZ I & III (8-wide locomotives)
dtomsen replied to dtomsen's topic in LEGO Train Tech
Thanks, Laura If you do visit Denmark, please find time to visit The Danish Railway Museum in the city of Odense. The museum is well worth a lengthy visit The former Odense Banegård is right next door to the roundhouse housing the museum -
[MOC] DSB Litra MZ I & III (8-wide locomotives)
dtomsen replied to dtomsen's topic in LEGO Train Tech
Thanks The slant wasn't that big of a challenge as I had already tried numerous approaches during the evolution of my older 6-wide version The two main challenges for me were: 1) The curvature along the side edges on the front. Hard edges were neither correct nor looked good (too boxy), curved slopes sideways were too flat and placed the curvature in the wrong places (either on the front itself or too far back on the sides) and curved bricks sideways alone gave the appearance of fat chubby cheeks with too much of a gap between them and the 6-wide train windscreen. Cam (one of the Brick Train Depot guys) helped with different suggestions and everything quickly fell into place after that. 2) The bogies. In particular the front proved rather difficult with the continuously lower front part and the slanted brick-built plow which both had to move together with the turning bogie necessary for navigation curves. This took some time (and several failures) to figure out how to do reasonable solid and look both good and correct.