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Discussion Starter · #1 ·
I was compairing the physicals of a new E-tec 115 and my 1975 115 and found some oddities.

The new engine is some 65 pounds heavier and has 5 more cubic inches.

I understand that the old engines were rated at the flywheel not the prop, but I was surprised at the weight difference.

Does all of the electronics add that much weight?
 

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The electronics add a bit of weight compared to the 6" by 3" ignition box that your old motor has.

Also the E-TEC has a much heavier flywheel with very strong magnets and a large copper wound stator to generate about 50 amps of current, compared to your 6 amp unregulated system, or a 9amp if you have trim.

The four metal fuel injectors, electric fuel pump and vapor separator add a few more pounds.

Once you run one of those sweet 115 E-TECs and experience how smooth and quiet they are, you will see what an improvement thay are over 32 year old technology. Plus the pollute the air and water so much less than the old motors and get much better fuel and oil consumption figures.
 

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Discussion Starter · #4 ·
Aero,

What do you mean "OLD"? It is a spring chick compaired to my 12 SeeBee and 5 Wizard.
 
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