JDY928 Posted December 13, 2023 Share Posted December 13, 2023 Hello All, My first post. I am looking at modelling the Tamiya 1/35 Challenger 1 mk3 in desert scheme on a Scammell Commander transporter. I understand that the Tamiya suspension is too low if the tank on the move. Is it at the correct height if the tank is tied down on the transport trailer? Regards, Jed in Australia Link to comment Share on other sites More sharing options...
Widow 65 Posted December 13, 2023 Share Posted December 13, 2023 It probably is. The suspension "warms-up" with movement. its called "hydrogas" suspension, because the units contain hydrogen gas. From experience, each vehicle would be at a different "height" once the suspension had heated up. So it could be a big stretch to climb aboard or not so much. Same jumping off again. If you look at stock pics too you can notice the vehicle "leaning" one way or the other. That was a good indication that a "unit" was broken or needed recharged again. Useful I hope? I spent 22 years on CR1 and CR2 for info. Cheers Nick 1 Link to comment Share on other sites More sharing options...
pigsty Posted December 13, 2023 Share Posted December 13, 2023 4 minutes ago, Widow 65 said: its called "hydrogas" suspension, because the units contain hydrogen gas Really? A flammable gas in the suspension units? I could have sworn the name comes from a combination of hydraulic + gas, and the gas is nitrogen because it's inert. 1 Link to comment Share on other sites More sharing options...
Widow 65 Posted December 13, 2023 Share Posted December 13, 2023 Apologies, you're correct, Nitrogen not hydrogen. For obvious reasons... My excuse, been out 13 years. 1 Link to comment Share on other sites More sharing options...
RichG Posted December 13, 2023 Share Posted December 13, 2023 (edited) The hydro-pneumatic suspension uses high-pressure nitrogen gas and an integral oil damper. Hydrogas was developed by Horstman in the 1980s for a range of vehicles, designed to replace torsion bars and provided an increase in cross-country mobility. It also allowed designers to overcome the internal packaging constraints, vulnerability to mine blast and crew exposure to the fragmentation that all result from torsion bars. Proven in Challenger MBT, CrARRV, AS90, Terrier, AS90, K9/K10 Rich PS sorry - this crossed with @Widow 65 message clarifying the use of nitrogen, rather than hydrogen, in the units. Edited December 13, 2023 by RichG 1 Link to comment Share on other sites More sharing options...
Meter rat Posted December 13, 2023 Share Posted December 13, 2023 1 hour ago, RichG said: The hydro-pneumatic suspension uses high-pressure nitrogen gas and an integral oil damper. Hydrogas was developed by Horstman in the 1980s for a range of vehicles, designed to replace torsion bars and provided an increase in cross-country mobility. It also allowed designers to overcome the internal packaging constraints, vulnerability to mine blast and crew exposure to the fragmentation that all result from torsion bars. Proven in Challenger MBT, CrARRV, AS90, Terrier, AS90, K9/K10 Rich PS sorry - this crossed with @Widow 65 message clarifying the use of nitrogen, rather than hydrogen, in the units. Hydro gas suspension was developed by Citroen, and improved and licensed for use by the same company. It was developed by Horstman for used in military vehicles. Link to comment Share on other sites More sharing options...
RichG Posted December 14, 2023 Share Posted December 14, 2023 (edited) O 12 hours ago, Meter rat said: Hydro gas suspension was developed by Citroen, and improved and licensed for use by the same company. It was developed by Horstman for used in military vehicles. Quite possibly, but the point was about Hydrogas® itself rather than who invented it. And as I think we both said developed by Horstman for use in military vehicles... 🤫 Edited December 14, 2023 by RichG 1 Link to comment Share on other sites More sharing options...
JDY928 Posted December 15, 2023 Author Share Posted December 15, 2023 Thanks all that have commented. I am also curious if anyone has experience with the Scorpion Miniature Models replacement up-armour add on, vs the Tamiya version that comes with the kit. Regards, Jed Link to comment Share on other sites More sharing options...
ivan-o Posted December 19, 2023 Share Posted December 19, 2023 On 12/15/2023 at 8:47 AM, JDY928 said: Thanks all that have commented. I am also curious if anyone has experience with the Scorpion Miniature Models replacement up-armour add on, vs the Tamiya version that comes with the kit. Regards, Jed Having used SSM products although not this one you will probably find it is more detailed etc,worth the price?that is down to you mate👍😄 Link to comment Share on other sites More sharing options...
DaiBuckler Posted December 20, 2023 Share Posted December 20, 2023 Sure I saw a post on another forum that mentioned the TAMIYA kit ride height, using a jig to set it a 14mm, hull to deck without the tracks installed. Also using Mike Shackleton's SSM CRI add-ons myself on a GW1 build, all seems to have cleaned up well, little over casting and only one air bubble I've noted. Will do some progress pics over the festive season. Link to comment Share on other sites More sharing options...
PeteH1969 Posted December 20, 2023 Share Posted December 20, 2023 Please note the rear road wheel is in a compressed state on the front of the trailers arch and that would need to be replicated on the Tamiya model. Pete Link to comment Share on other sites More sharing options...
DaiBuckler Posted December 21, 2023 Share Posted December 21, 2023 Found a few I took at Split Northport and accumulated pics from GW 1, see https://www.facebook.com/groups/chally/media/albums Link to comment Share on other sites More sharing options...
PeteH1969 Posted December 21, 2023 Share Posted December 21, 2023 1 hour ago, DaiBuckler said: Found a few I took at Split Northport and accumulated pics from GW 1, see https://www.facebook.com/groups/chally/media/albums Not much use to those who don't use Facebook. Link to comment Share on other sites More sharing options...
DaiBuckler Posted December 21, 2023 Share Posted December 21, 2023 Good point any suggestions on where they would be better placed happily considered. Link to comment Share on other sites More sharing options...
PeteH1969 Posted December 21, 2023 Share Posted December 21, 2023 12 hours ago, DaiBuckler said: Good point any suggestions on where they would be better placed happily considered. In this thread where else? Link to comment Share on other sites More sharing options...
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