Ken Powell wrote:
Finn,
Thank you for sharing your W&B figures. Did you keep [a list of] your
firewall forward weights? That is always a subject of interest to
this group.
Ken P.
Finn Lassen wrote:
All I have are some old numbers, subject to the inaccuracies of my bathroom
scales.
Finn
RV 3 Weight & Balance data
Engine mount 10
Engine mount plate 5.5
Engine mount&plate 15.5?
L main gear spring 10
R main gear spring 10
Wheel/brake (ea) 10
Right wing 52
Left wing 54
Engine: w/counterweight, w/o flywheel, w/o waterpump housing, w/o manifolds,
w/o
any accessories, w/o oil pan.
170 (c.g. at intermediate housing)
Waterpump w/housing 7
Water radiators (ea) 5 (7? with water)
Ref: Firewall, prop flange is 35" forward firewall.
Engine mount/plate 16 6"? 96
Engine w/redrive 229 16" 3664
Alternator 9 7" 63
Starter 9 26" 234
Crankangle sensor 2 ? 6" 12
Oil filter 1 6" 6
Oil cooler 7 15" 105
Oil pan 6 14" 84
Carbs 5 15" 45
Intake manifold 6 15" 90
Exhaust 6 ? 14" ? 84
Ig Coils 5 6" ? 30
Radiators 10 25" 250
Coolant 14 20" ? 280
Oil 12 16" 192
------
Total 337 15.53" 5235
CG of engine installation 35 - 15.5 = 19.5" aft prop flange,
or 23" forward wing leading edge.
-----------------------
Airplane weighed on 24 May 99:
Left wheel: 334
Right wheel: 339
Tail wheel: 29
All parts except:
Prop crush plate, 2 lbs
Spinner kit, 2 lbs
Re-drive shaft, 4 lbs
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