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Author Topic:   Scaling in 3dmax ?
Laika 801
Pilot
posted 01-11- 07:57 AM     Click Here to See the Profile for Laika 801   Click Here to Email Laika 801     Edit/Delete Message   Reply w/Quote
OK - I find a way to work with 3d Max but didnt got the time to find out how it works and here is the problem:

When I build up the 3D model of the I-16 I dont mind the right scaling thing - now I got a huge plane in OPS.

I want to do this in 3dmax:

- build a simple box wich is exactly as wide as the wingspan of the I-16 and as thick as the I-16 is heigh

- scale the whole model that it fits to that box

- finaly got a right scaled plane to export...

I dont know how to set up the units and stuff in Max to get a correct scaled model...

tailslide ?
bryan?

t h a n k s !

BTW - Spend half of the day with searching for books (still need data for the FM) in the uni-library and it was nearly as hard as the modelling thing

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Laika 801
Pilot
posted 01-11- 12:28 PM     Click Here to See the Profile for Laika 801   Click Here to Email Laika 801     Edit/Delete Message   Reply w/Quote
figured it out alone and it seems to work...

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Bryan Russell
Pilot
posted 01-11- 05:58 PM     Click Here to See the Profile for Bryan Russell   Click Here to Email Bryan Russell     Edit/Delete Message   Reply w/Quote
I just use the native units and treat them as decimalised feet. i.e. whole feet and 1/10ths of feet. You can also set it up for feet and inches but I find it easier to do 1.5 feet rather than 1 foot 6 inches.

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JT
Pilot
posted 01-11- 06:21 PM     Click Here to See the Profile for JT   Click Here to Email JT     Edit/Delete Message   Reply w/Quote
When I import the Spit into Max, I set the vertex scale to 1.0 on the .OBJ import dialogue. Now, when measure the length using the tape measure helper and with units set to feet, I see that the plane is only 8 feet long. What is up with that?

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Bryan Russell
Pilot
posted 01-11- 06:35 PM     Click Here to See the Profile for Bryan Russell   Click Here to Email Bryan Russell     Edit/Delete Message   Reply w/Quote
I've done the same thing and its the right size, but I only use the generic units. It could be something to do with the units setup. I think you could for example set it up so that 24 units might equal 8 feet. For SDOE 1 generic unit should equal 1 foot.


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Tailslide
Pilot
posted 01-12- 03:23 AM     Click Here to See the Profile for Tailslide   Click Here to Email Tailslide     Edit/Delete Message   Reply w/Quote
I did the rather roundabout approach of tracing all my outlines in AC3D with the scale set correctly then importing them into 3dsmax. I like the tracing features of ac3D better. Result was everything's to scale when I import into opstudio. The tape measure read the correct number of units but I didn't have it set to inches/feet.

Good luck researching the Ishak FM I bet that will be a tough one.

TS


[This message has been edited by Tailslide (edited 01-12-2000).]

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Laika 801
Pilot
posted 01-12- 07:17 AM     Click Here to See the Profile for Laika 801   Click Here to Email Laika 801     Edit/Delete Message   Reply w/Quote
Tailslide your´re right again - FM research for soviet planes is a science on its own (I bet this is not correct english )

I actually got this:

Wing Area
Maximum Speed (ground)
Maximum Speed (3000 m)
Landing Speed
Empty weight (?)
Loaded weight (?)
Wing load (?)
Power load (?)
Turn time
Range
Flight Endurance
Ceiling
Climb (time to climb to 5000 m) (?)
M62/M63 Engine (1*800/920hp , 1*930/1100hp)
V-22 two bladed prob - no data
TsAGI R-II 16% Airfoil - ?

Tomorrow I will try to get a Ishak-relatet book in the library - time will tell...

out

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