Very small movement forward (of the aircraft empty CG-----about 0.2 inch, if I remember correctly.)
Have crunched numbers to the point that I'm blue in the face.....have decided to move the engine...
Type: Posts; User: Marlhalbrook
Very small movement forward (of the aircraft empty CG-----about 0.2 inch, if I remember correctly.)
Have crunched numbers to the point that I'm blue in the face.....have decided to move the engine...
CG of the engine sans prop --- you are very close to spot on. It balances almost exactly between cylinders 1 and 2----actually somewhat closer to the leading edge of 1. (this includes the dizzy, oil...
Know what you mean.....I'm old school....don't trust the plans dimensions. Dropped plumb-bobs with plane level---have centerline, datum, CL of mains and tailwheel drawn on my shop floor. (actually...
Steve...
That's a simplification of the formula w/W=d/D where "w" is weight to shift, "W" is total weight of aircraft, "d" is change in CG, and "D" is distance the weight is moved.
Look at...
Marty----
No. Built a tower of concrete blocks--then used thin pieces of ply to shim the scale to level the plane with the tailwheel directly on the scale---no tare involved. Took 5 weights and...
cwilliamrose......
Plane is a restoration-----has about 300hrs TT. All we're doing is replacing the engine that was separated from the airframe by the previous owner (actually the guy before the...
Frank----Yep-----
I'm really starting to doubt our weights..........I weighed the plane myself--saw the numbers on the scale--but I'm REALLLY starting to think that there is a bad apple in the numbers somewhere.
I...
OK-----I need some help...
I'm restoring a VP-1. Have it basically finished (just need to install "new" engine and prop, make cowling and take to hangar....).
Decided to temporarily mount the...
Absolutely agree!
Is there a calendar time limit on completing Phase 1 flight testing of a homebuilt? I seem to remember that there was a requirement to complete the "40 hours" within 12 months......???
Sorry.....was unable to post in format that is easily readable........it's a poem...Can go to http://www.biplaneforum.com/showthread.php?t=5790#lastpost to read in proper format....
Not to cause any more argument-----but who's practical???
Just one opinion---not that of everyone involved in Sport Aviation.
I'm not trying to ruffle feathers anymore than they already...
Found this interesting----quote from the very 1st "Sport Aviation" magazine (well, actually, the 1st Experimenter that was published from Paul's typewriter in 1953)
" This association has been in...