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## 3.7.1 Combining Known and Estimated Weights |

Estimating Weight and CoG > Using the Remainder Group in Estimation

It is possible to estimate weight groups consisting of sums of sub-weights. This is particularly useful when some of the weights are known while others must be estimated. If an estimate is carried out on a weight group containing data in any of its subgroups, the difference between the estimated value and the values of the subgroups automatically will be added to the Remainder-subgroup.

For example: you are to estimate the weight group M1 (Machinery), but already know the weight of some of its subgroups e.g. M1.1 (Diesel-engine for propulsion). Make sure to enter the known weights of the subgroups. Then estimate the weight group M1. The difference between the estimated weight for the group and the weight of the subgroups is added to M1.R (Remainder machinery).