Model C versus D Drag factor/Resistance range

GeicoTalkingLizard · Post by **GeicoTalkingLizard** » May 12th, 2006, 3:37 pm

Hi everyone,
I would like to know how the resistance/drag factor range generally compares between model C and model D rowers? I've read on some posts here on this board and the UK board mentioning that the model D rowers have a lower drag factor range than on the C, which makes them feel lighter and you have to raise the damper to a higher number to get the same drag as a C, that the maximum drag is lower on the D and also that you can get a lower drag on the D than the lowest possible with the C. Also have read some online reviews comparing the C and D that say the same thing. I never used a D so I don't know personally myself if this is true or not .Would like to know from those who have used both the C and D if this has been your experience. Thanks

johnlvs2run · Post by **johnlvs2run** » May 12th, 2006, 4:25 pm

My model C starts from 93 to 97 and up to around 220 depending on what part of the room it is in.

However sometimes I tape a piece of plastic to the side to get the drag factor down to 65 or so.

PaulS · Post by **PaulS** » May 12th, 2006, 4:32 pm

Approximate (because that's all that is possible) Figures for new machines, without any accessories or modifications.

Mod C: DF Range = 100 - 223
Pretty quiet

Mod D: DF Range = 85 - 223
Very quiet

Possible modifications and accessories:
Adding a CBreeze reduces the highest DF to about 170.
Replacing the Stainless grate on the D with "gutter guard" increases the Max DF to about 240.

The flywheels for both the model C and D are functionally identical, and the cog has 14 teeth on both. The D has a new dampened cog system to reduce overall noise and this creates an interesting perceptual difference that some people iterpret as being "easier" and some as "harder", though there is no actual difference in the input required to produce a given pace on the PM.

Hope that helps. You basically had good information to begin with, so I tried to at least offer something slightly fresh. Otherwise I would have simply typed "Yes.", and likely been misinterpretted (as has happened before)

Cheers.