You will need to use the Taylormade wrench that you got with the driver. You simply unscrew them and put them in the configuration that you want.
For a draw, put the two heaviest weights on the heel side.
For a fade, put the two heaviest weights on the toe side.
For a low flight, put the two heaviest weights at the front of the club.
For a high flight, put the two heaviest weights at the back of the club.
All these are for the strongest option, if you want the weaker ones, use one heavy weight and one of the light weights.
If you don't have the wrench you will need to buy one, it is the same as was used for the old r7 and any other Taylormade club which had the moveable weight technology. Do not use a standard tool because it will ruin the weights.
Interesting question. It is hard to say, it probably comes down to personal preference. The Taylormade r7 425 has mobvable weight technology and a really nice traditional shaped head. But the r9 has movable weight technology and adjustable shaft technology. You can actually buy the shaft sleeves which means you could stick any shaft you want in your driver and change it as often as you want very easily. I do not like how the r9 has almost pointy head on it, not the greatest look I think. You can try them both and see what you think, obviously the r9 is more expensive but perhaps worth it.
The owners manual has a section that explains how to do that.
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A cup of flour is about 125 grams. 400 grams is therefore about 3.1 cups. 425 grams is about 3.4 cups. You might be ok with about 3 and a quarter cups. But adjust as needed.
425 times. 425/1 = 425
percentage of 425 = 42500%425= 425 * 100%= 42500%
If I'm honest very, very little. The r7 425 and the r7 superquad are virtually the same driver. The superquad has a black head where the r7 425 is just metallic.
N - 425 = 9 n - 425 + 425 = 9 + 425 n = 434
30% of 425 = 30% * 425 = 0.3 * 425 = 127.5
425 ÷ 1 = 425
425 MEANS 425 diamonds
425