Hi -

The FS-30 is listed in several places to weigh 12.5oz, same as the FS-40. The FS-26 is listed as 9.5oz.

I would like to purchase a pair of OS-30's for a twin, but weight is a serious consideration. Can you tell me what the actual weight of the 26, 30 and 40 is?

Here is the spec from Tower:

http://www2.towerhobbies.com/cgi-bin...1&I=LXCNA5&P=0

Thanks,

..John..

Per http://www.singahobby.com/osm06.html#30S the FS-30 is only 9 grams (1/3 ounce) heavier than the 26. The 40 is 76 grams (2.67 ounces) heavier than the 30. Keep in mind that many twins come out tail heavy because the weight of the engines are so close to the CG and the nose is typically short.

HTH,
John

John,

According to O.S., here are the weights without muffler:

FS-26 Surpass: 268 gr. (9.45 oz) (this is discontinued)
FS-30 Surpass: 355 gr. (12.5 oz) (replaces the FS-26)
FS-40 surpass: 355 gr. (12.5 oz)

Since this information doesn't seem to make sense, I was wondering if you (or someone) can actually put these three engines on a scale and see what they get (with muff, if possible)

Thanks!