-------------- Original message --------------
From: "Ed Anderson" <eanderson@carolina.rr.com>

> Don't beat yourself up about 400 lbs. While we all would like to see our
> installations weigh in at 300 lbs - I have not yet seen any credible figures
> showing that having happened. I think probably that Perry Mick would come
> the closest when he was flying with no PSRU - just direct drive.
>
> While my early inexperence with aircraft design led me to the flawed "...if
> in doubt, make it stout."" philosphy - I just never realized how quickly an
> ounce here and an ounce there would quickly add up to 170 lbs overweight -
> did have 44 lbs of battery, but still heavy.
>
> In any case, to make you feel a bit better, here is the breakout of my FWF
> installation 377 lbs dry and 406 wet.
>
>
> Ed
>
> Engine Data
>
> Manufacture: Mazda Model: Rotary 13B(6 Port) Serial No:
>
> Displacement: 80 CID Oil Pressure Max: 85 Psi Min: 20 Psi
>
> Rated H.P: 160 at 6500 RPM
>
> Weight:
>
> Dry
>
> Engine (core) 190 Lbs (Mazda 13B)
>
> Starter: 10 Lbs (Toyota Geared)
>
> Alternator: 9 Lbs (Mazda 70A)
>
> Ignition Coils Assembl: 7 Lbs (Mazda)
>
> Evaporator Cores (2): 7 Lbs (Fitted with AN-16 Threaded fittings)
>
> Oil Cooler: 4 Lbs (Earl's)
>
> Intake Manifold: 15 Lbs (Machined)
>
> Fule Injector Body: 3 Lbs (TWM)
>
> Air Box: 1 Lb (Made out of 0.032 2034 Alum)
>
> Oil Filter Remote: 3 Lbs (Wolfs)
>
> Misc. Brakets, Hose (etc): 25 Lbs (Mostly Earl's Stainless Steel
> Braid/Fittings)
>
> Exhaust 5 Lbs (Stainless Steel, D oes not include Muffler)
>
> Mufflers 16 Lbs (Stainless Stell 3 1/2" Dia Borlo 32" Length, 2 Required, 8
> lbs each)
>
> PSRU RWS 2.85:1 42 lbs
>
> Propeller 18 lbs
>
> Motor mount 19 lbs
>
> Total (Dry): 377 Lbs
>
> Wet
>
> Coolant (8 Qts) 16 Lbs
>
> Oil ( 6 Qts) 13 Lbs
>
> Total: 406 Lbs
>
> ----- Original Message -----
> From: "Scott"
> To: "Rotary motors in aircraft"
> Sent: Tuesday, October 23, 2007 6:31 PM
> Subject: [FlyRotary] 350 lbs dry
>
>
> I finally reached a point when everything was mounted on the engine and
> wanted to know the dry weight. It came in at around 350 pounds.
>
> Add in a 3 blade IVO prop, oil, and coolant and I am at 400 pounds...
>
> Needless to say that is not what I was hop ing for as Zenith lists their FWF
> for a wet O360 with a 2 blade metal prop at 400 pounds.
>
> What have others come it at for a dry weight for their 13b setups?
>
>
>
>
>
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