TRX250R.ORG

FAQ's & Technical Articles => Techincal Section => General 2 Stroke => Topic started by: rsss396 on July 08, 2013, 12:31:41 AM

Title: calculator links
Post by: rsss396 on July 08, 2013, 12:31:41 AM

Engine size

http://users.erols.com/srweiss/calcci.htm

http://www.everything2stroke.com/content/36-Engine-Displacement-Calculator

http://www.nightrider.com/biketech/calc_displacement.htm

http://www.mk5cortinaestate.co.uk/calculator2.php



compression ratio

http://www.torqsoft.net/compression-ratio.html

http://users.erols.com/srweiss/calccr.htm


Squish Velocity
http://www.torqsoft.net/squish-velocity.html



piston position / crank angle

http://www.torqsoft.net/piston-position.html


Piston speed

http://www.csgnetwork.com/pistonspeedcalc.html


calculate speed

http://users.erols.com/srweiss/calcmph.htm


engine building formulas

http://www.macdizzy.com/formulas.htm

Port Timing Calculator

http://www.modelenginenews.org/design/tcalc/TCalcForm.php

help with using the port timing calculator
http://www.arboristsite.com/chainsaw/85786.htm

http://lambretta-images.com/archive/porttiming.php

2-STROKE_TUNING_PORTING_DESIGN Program

http://www.330.dk/


Tube notcher calculator

http://cobratorch.net/ttn_dxf/


Engineering Calculators - lots of them

http://www.calculatoredge.com/english.htm


Tube Size vs. Strength

http://www.rorty-design.com/content/tube_size_vs._strength.htm

Title: calculator links
Post by: udontknowme on July 08, 2013, 02:18:20 AM

gearcommander. doesnt have 250r specific but just choose 450r then input your gears and and tire size etc.  or input it all manual  http://gearingcommander.com/

Title: calculator links
Post by: rsss396 on July 12, 2013, 12:37:27 PM

Octane Calculator
 
for mixing differant octane fuels  

http://www.bazellracefuels.com/Calcs/OC1.htm


http://www.wallaceracing.com/octane-mix-calc.php



Convert  HP-TQ-RPM Calculator
if you 2 of the 3 inputs you can fiquire the 3rd   http://www.wallaceracing.com/HP-TQ-RPM%20Calc.php



Calculate Inertia force of piston
see the effect of what a different rod length will have on the rotating inertia  http://www.wallaceracing.com/Calculate-Inertia-Force-of-Piston.php

Title: calculator links
Post by: Langbolt on July 12, 2013, 08:06:46 PM

Here's a link to my Port timing calculator I wrote using the Formulas from Gordon Jennings Book.

http://www.two-stroke-addicts.freeserve.co.uk/downloads.htm

Or would it be better for me to attach the ZIP ? (Can't......it's 1.45MB)

Just let me know so we can keep these pages clean

You ROCK rsss396 for adding all this great info!!!!

:)

Title: calculator links
Post by: rsss396 on July 13, 2013, 10:32:47 AM

Thanks Langbolt!

hey guys there is some nice calculators on Langbolts link follow it and download them

Title: calculator links
Post by: rsss396 on July 14, 2013, 11:28:52 PM

Optimum Intake Runner Calculation By Bowling

http://www.bgsoflex.com/intakeln.html