Glad you brought the proprietary issue up Fred. As a matter of fact Mr.
Wheat bought all of that data and has it. I have talked to him about
several aspects of the coach. He has a web site.
>Thomas G. Warner"
>
>One thing that concerns me is the idea of many to change the design of some
>parts of the GMC thinking that it is designed incorrectly. As an engineer I
>have faced this problem many times before on other products and
>witnessed first hand the disasters that can happen when self taught
>engineers attempt to redesign a product thinking that they know more than
>the designers. Maybe they do and maybe they don't. People do not understand
>the many design compromises, and complicated mathematical calculations that
>are involved in designing for instance the rear bogie wheels. No design is
>perfect and of course can be made better in one area at the detriment of
>something else.
>
>Bottom line in my opinion is that if you do not have access to the original
>design criteria for critical areas like the suspension and wheels, and in
>addition do not have the engineering background to evaluate this data and
>take it into consideration before making these changes I would leave it
>alone. Remember any change in the bogie geometry changes the front end also
>and hence the drivability etc. In the case of the offset front wheels, I
>would not touch it with a 10' pole. Be cautious, remember your life and the
>lives of your passengers are at stake. this is not a 4,000# car we are
>dealing with but a 12,000 motorhome.>>
>
>..............................................................................
>...........................................
>
>Tom,
>
>And I might add that it is a 12,000 pound motorhome often traveling at 70+ MPH
>on a public highway!!
>
>In my "rookie" days as an engineer before moving to administration, I remember
>that we never made a change in one sector of a high pressure (up 15,000 PSIG)
>natural gas injection plant without defining the impact the change would have
>everywhere else in the plant. To have done otherwise would have been to risk
>death or injury to our employees and the maybe the public. In our case, we
>had the original design criteria and calculations. With them, we had some
>insight into the minds of the engineers who designed the system originally.
>NOT SO WITH THE GMCMh as that is proprietary to General Motors!!
>
>Your comments are right on.
>
>Fred Hudspeth
>'78 Royale
>
>
>
>
>
>
Tom & Marg Warner
Vernon Center NY
1976 palmbeach
Wheat bought all of that data and has it. I have talked to him about
several aspects of the coach. He has a web site.
>Thomas G. Warner"
>
>One thing that concerns me is the idea of many to change the design of some
>parts of the GMC thinking that it is designed incorrectly. As an engineer I
>have faced this problem many times before on other products and
>witnessed first hand the disasters that can happen when self taught
>engineers attempt to redesign a product thinking that they know more than
>the designers. Maybe they do and maybe they don't. People do not understand
>the many design compromises, and complicated mathematical calculations that
>are involved in designing for instance the rear bogie wheels. No design is
>perfect and of course can be made better in one area at the detriment of
>something else.
>
>Bottom line in my opinion is that if you do not have access to the original
>design criteria for critical areas like the suspension and wheels, and in
>addition do not have the engineering background to evaluate this data and
>take it into consideration before making these changes I would leave it
>alone. Remember any change in the bogie geometry changes the front end also
>and hence the drivability etc. In the case of the offset front wheels, I
>would not touch it with a 10' pole. Be cautious, remember your life and the
>lives of your passengers are at stake. this is not a 4,000# car we are
>dealing with but a 12,000 motorhome.>>
>
>..............................................................................
>...........................................
>
>Tom,
>
>And I might add that it is a 12,000 pound motorhome often traveling at 70+ MPH
>on a public highway!!
>
>In my "rookie" days as an engineer before moving to administration, I remember
>that we never made a change in one sector of a high pressure (up 15,000 PSIG)
>natural gas injection plant without defining the impact the change would have
>everywhere else in the plant. To have done otherwise would have been to risk
>death or injury to our employees and the maybe the public. In our case, we
>had the original design criteria and calculations. With them, we had some
>insight into the minds of the engineers who designed the system originally.
>NOT SO WITH THE GMCMh as that is proprietary to General Motors!!
>
>Your comments are right on.
>
>Fred Hudspeth
>'78 Royale
>
>
>
>
>
>
Tom & Marg Warner
Vernon Center NY
1976 palmbeach
