Keeping Spree Elite Aero 50cc and Gyro Alive!
http://www.hondaspree.net/phpBB3/
Wheelman-111 wrote:Greetings:
Camera?! Tish-tosh, you can get the information you seek with a Sharpie Marker!
Draw a Mercedes logo on each pulley face the next time you pull the belt cover. Erasure tells the tale.
sharpie tells the tale. 
new tire size enteredWheelman-111 wrote:Greetings:
This is great, Dawgs! Some Empiric observations:
The 90/90 has a nominal height of 3.18". Multiply by 2 and add the 10" rim and you get 16.36. Times pi and you're right at 51" inches circumference, give or take. The 3.50s calculate to 53" circumference.
I actually measured one - can't recall which - with a drop of paint and got 52", so maybe 49" is close for 3.00s but too pessimistic for the bigger skins?
How did it work out for you? Any pictures of how you mounted it to keep it rigid? I still need to device a way to do this for my af05 that has a one piece cover.evilone wrote:I did that. Only it wasn't in the cover, i had the rear half of the af16 cover off.
Yes, they started that in the late teens or early twenties, I don't remember the exact year. It is one of the reasons they started gas standards.Petrock's 1984 Spree wrote:I remember seeing somewhere on youtube that some guys actually put a high speed camera in the jug of a 4 stroke engine. Then they ran it and you could see the different strokes and the valves move, combustion, etc. It was really cool. Ovbiously it wouldnt be that extreme but same concept
That will tell me the max travel but I am interested in certain points at load and coasting. Then with different springs to calculate ratio changes caused by the face.Wheelman-111 wrote:Greetings:
Camera?! Tish-tosh, you can get the information you seek with a Sharpie Marker!
Draw a Mercedes logo on each pulley face the next time you pull the belt cover. Erasure tells the tale.
Neglecting belt slippage, given 2 tachs (front/rear pulley), this could be manually calculated. Anyone seen commercial products which gather the data, calculate and display the result? Adding the rear sensor to an existing tach/speedo computer would make a useful gauge.eliteguy50 wrote:That will tell me the max travel but I am interested in certain points at load and coasting. Then with different springs to calculate ratio changes caused by the face.
An excellent idea Mouse. I even have the tachs for that from doing industrial belt drive work in the past (insert headslap here for not remembering this). Thanks.mousewheels wrote:...Neglecting belt slippage, given 2 tachs (front/rear pulley), this could be manually calculated. Anyone seen commercial products which gather the data, calculate and display the result? Adding the rear sensor to an existing tach/speedo computer would make a useful gauge.
StrokedSr wrote:Guys,what's the ratio on af05e gears, and will they swap in a 16e? Also what speeds can be reached with them
There are also the less common 10.2:1 gears and then the aftermarket 7.83:1 gears, assuming you are talking about the variated af05e. I don't remember the ratio of all the spree and E gears.StrokedSr wrote:Guys,what's the ratio on af05e gears, and will they swap in a 16e? Also what speeds can be reached with them
Combined gear and variator ratios are on the wiki at this linkGuys,what's the ratio on af05e gears, and will they swap in a 16e? Also what speeds can be reached with them
link to video below. I mounted a piece of metal to the trans oil plug and the camera mounted to the piece of metal. I'd have to find the metal if you still want a pic. Works great for tuning.eliteguy50 wrote:How did it work out for you? Any pictures of how you mounted it to keep it rigid? I still need to device a way to do this for my af05 that has a one piece cover.evilone wrote:I did that. Only it wasn't in the cover, i had the rear half of the af16 cover off.