MSHappyCampers Posted May 16, 2021 Share Posted May 16, 2021 The 2002 Monaco sales brochure says the chassis is a RM8H. I have been told it's a RR8S. What is the difference? Link to comment Share on other sites More sharing options...
JDCrow Posted May 16, 2021 Share Posted May 16, 2021 I’ve read through this before to help. I’m no expert https://www.irv2.com/forums/f24/which-roadmaster-chassis-do-i-have-129117.html Link to comment Share on other sites More sharing options...
Dr4Film Posted May 16, 2021 Share Posted May 16, 2021 Joe, You are lucky in that your 02 Windsor chassis is the RM8H and not the RR8S. Plus it is also called the S- Series Chassis which is the Semi-Monocoque Chassis that is described here - https://docplayer.net/22482555-Roadmaster-s-series-semi-monocoque-chassis.html The RM8H simply stands for Roadmaster 8 Bag (H-??) Don't know what the H stands for though. The RR8S Chassis is a Raised Rail 8 bag with a side Radiator. Whereas the RR8R is the Raised Rail 8 Bag Rear Radiator. Hope this helps! Link to comment Share on other sites More sharing options...
eddie4ne Posted May 17, 2021 Share Posted May 17, 2021 13 hours ago, Dr4Film said: Joe, You are lucky in that your 02 Windsor chassis is the RM8H and not the RR8S. Plus it is also called the S- Series Chassis which is the Semi-Monocoque Chassis that is described here - https://docplayer.net/22482555-Roadmaster-s-series-semi-monocoque-chassis.html The RM8H simply stands for Roadmaster 8 Bag (H-??) Don't know what the H stands for though. The RR8S Chassis is a Raised Rail 8 bag with a side Radiator. Whereas the RR8R is the Raised Rail 8 Bag Rear Radiator. Hope this helps! I was confused, we have a 2002 Windsor PWD and we have a side radiator, so I referred to a pdf I have saved (see below). It say our Windsors have a RM8H chassis as stated. This is the Windsor specs. https://documentcloud.adobe.com/link/review?uri=urn:aaid:scds:US:862c7bae-3432-4db1-ac77-1f20c13248b6 This site is invaluable! Link to comment Share on other sites More sharing options...
MSHappyCampers Posted May 17, 2021 Author Share Posted May 17, 2021 18 hours ago, Dr4Film said: Joe, You are lucky in that your 02 Windsor chassis is the RM8H and not the RR8S. Plus it is also called the S- Series Chassis which is the Semi-Monocoque Chassis that is described here - https://docplayer.net/22482555-Roadmaster-s-series-semi-monocoque-chassis.html The RM8H simply stands for Roadmaster 8 Bag (H-??) Don't know what the H stands for though. The RR8S Chassis is a Raised Rail 8 bag with a side Radiator. Whereas the RR8R is the Raised Rail 8 Bag Rear Radiator. Hope this helps! I read that the "H" is for H frame. I think that must be what is called an "I" beam in the construction trades. Link to comment Share on other sites More sharing options...
JDCrow Posted May 17, 2021 Share Posted May 17, 2021 (edited) The axles are attached to the “H” frame (it’s the shape) At each corner of the the “H” is an air bag and a shock, and these are attached to the main rail frame. (In a raised rail, or other structure in a mono coach) This is why there is lots of play/sway in the system it seems. The H frames are up to 6’ in length with a squishy air bag packing all the body with its inertia rolling around. Edited May 17, 2021 by JDCrow Link to comment Share on other sites More sharing options...
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