Member Contributer SirDoh Posted June 15, 2021 Member Contributer Share Posted June 15, 2021 Assumption:- the Styling department of Honda probably has a bigger budget than the Aerodynamics department. I made a video test last year, using tufts of wool to show air flow around the outside of the radiators. At low speed the air follows around the front fairing and drops into the slit in front of the radiator. It breaks up, gets confused and ends up flowing forwards, into the fairing - Very odd! As the speed increases above 40mph. The air stops being able to hug the contours. I think the air pressure out side the radiators is lowered and that allows the high pressure air being rammed in from the front to push outwards through the radiator. Has anyone from the warmer areas experimented with low pressure aerodynamics to draw air out of the radiators? Link to comment Share on other sites More sharing options...
Magneto Posted June 16, 2021 Share Posted June 16, 2021 What you ought to be looking at is design of cowling of Focke-Wulf FW-190. Two stage cooling, radial engine and still better aerodynamic than Spitfire. Link to comment Share on other sites More sharing options...
Member Contributer Terry Posted June 16, 2021 Member Contributer Share Posted June 16, 2021 If you remove the wool tufts, the airflow will probably improve. We routinely shear the local sheep to prevent them overheating around here. Link to comment Share on other sites More sharing options...
Member Contributer SirDoh Posted June 16, 2021 Author Member Contributer Share Posted June 16, 2021 17 hours ago, Terry said: If you remove the wool tufts, the airflow will probably improve. We routinely shear the local sheep to prevent them overheating around here. Yeah. I hear yah. Has anyone tried fitting the sheep with Gurney flaps? Link to comment Share on other sites More sharing options...
Magneto Posted June 17, 2021 Share Posted June 17, 2021 Focke-Wolf? 🤣 Link to comment Share on other sites More sharing options...
Member Contributer Dutchy Posted June 17, 2021 Member Contributer Share Posted June 17, 2021 The wolf focks up sheep. Nothing focks the wolf Link to comment Share on other sites More sharing options...
Member Contributer Mohawk Posted September 16, 2021 Member Contributer Share Posted September 16, 2021 If you reduce the gaps around the radiator it reduces the bypass flow. Like everything it always takes the path of least resistance, so at low speed the air bypasses if it can. At higher speeds the pressure differential is bigger & the volume of air greater so it passes through the rad core. When I was having cooling issues a few years back I added additional deflectors in front of the rad vents on the fairing to create a bigger pressure differential sooner. It worked but then I discovered my rads were furred up inside. Do a good clean & all back to normal 👍 Link to comment Share on other sites More sharing options...
Mikus11 Posted September 16, 2021 Share Posted September 16, 2021 On 6/15/2021 at 8:35 PM, Magneto said: What you ought to be looking at is design of cowling of Focke-Wulf FW-190. Two stage cooling, radial engine and still better aerodynamic than Spitfire. That design belongs to BMW LOL Link to comment Share on other sites More sharing options...
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