The HF 2.5hp engine, jack shaft and gas tank has been installed and I finally got to take it for a spin. I used what sprockets I had in my box when I built the jack shaft and it's a geared a bit too high. At the moment it's geared for a 38 mph top speed (rather unrealistic there) but I will be changing that for a 25 mph top speed. Even as it is currently setup it will still do over 20 mph with about 1/2 throttle. Any more gas than that and it chokes off at the moment. Once I get it geared down where it belongs it should have plenty of 'get up and go' and trailer pulling capability.
I need to change the smaller gear on the jack shaft as it currently has a 20t and it needs about a 12-13t gear. I finally found one I can get at
www.Stanton-Inc.com They are the only place I can find a 12 tooth gear for #41 chain that fits on a 5/8" shaft and I looked on the net for a couple of hours. That place carries a lot of useful stuff for adapting engines to bikes and trikes and they have fast shipping too. I like dealing with them.
I finally got some batteries for the camera and took a couple of pictures of the new 2.5 hp install on the trike. I know the exhaust pipe looks a little weird at the moment with that sharp angle but I will be fixing that when I can get the right tubing. I just wanted to get it all together and be able to ride it! After 2 months of hassling with the regular bike engine I was trying out this thing is going to be a nice change. It pull starts very easily and is much quieter than either the regular bike type engine or the pocket bike engine. It does NOT sound like a chainsaw!
http://www.packratworkshop.com/pics/2-5-left.jpg
(link for larger pic)
http://www.packratworkshop.com/pics/2-5-right.jpg
(link for larger pic)
Lee B