In this video I flow test my transfer ducts and ports in my 100mph 2 stroke 100 mph speed challenge moped. I also look at the scavenging flow direction and how this affects power. Cheers.
Rhys Stevenson #23, please help support Rhys here:
https://www.facebook.com/RocketRhys
https://www.instagram.com/rhysstephensonracing?igsh=MTh2MndmeDVzc3hseQ==
Fire Power Two Stokes: https://youtube.com/@john63397?si=pzg5WkyKofhvAnuE
Torqsoft flow test software: https://www.torqsoft.xyz/
EngMod2T: https://vannik.co.za/EngMod2T.htm
Mota: https://www.iwt.com.au/mota-software/overview/
Frits Overmars' leaning tower of Pisa article is here:
https://bucketracing.blogspot.com/2017/01/transfer-theory-by-frits-overmars-aka.html?m=1
cheers :)
Chapters:
1:18 - Rhys Stevenson - Fast racer
2:05 - Fire Power Two Strokes - KX85 engine swap into an AR 50 check plus Kawasaki AR tuning
2:23 - Transfer Flow Test - 3D printing the adaptor and setting up for the test
8:24 - Torqsoft Flow Time area test procedure
10:38 - Specific Time Area (STA) - where it came from - Dr Gordon Blair, QUB
19:46 - TorqSoft Flow-Time Area - a move on from STA
21:00 - Scavenging flow direction - how it affects power
21:55 - Mota 7 two dimensional two stroke scavenge flow simulation
29:21 - Flow-Time Area verses STA results
#2stroke
#twostroke
#enginetuning
#tuning
#speed #moped