O&RBike 47 #26 Posted August 27, 2015 Started roughing out a chain guard for the pto side: Down on two wheels .... Right side spring loaded brake handle serves as throttle: 1 Vinnetrow reacted to this Share this post Link to post Share on other sites
O&RBike 47 #27 Posted August 27, 2015 Ready for a test run.... 5 S1g, nigel, Alan and 2 others reacted to this Share this post Link to post Share on other sites
O&RBike 47 #28 Posted August 27, 2015 Break in run....(video) 4 Wallfish, Stormin, the showman and 1 other reacted to this Share this post Link to post Share on other sites
Stormin 4,458 #29 Posted August 27, 2015 That's a very nice job you've done. Share this post Link to post Share on other sites
Wallfish 698 #30 Posted August 29, 2015 Very Nice, looks great! Engine sounds good too. Throttle control engines can be difficult to get the carb adjustment dialed in. There's a fine line between idling correctly and starting easy. Some are more difficult than others and some dial right in. Where's the video of driving it? Share this post Link to post Share on other sites
O&RBike 47 #31 Posted August 29, 2015 Where's the video of driving it? Thanks guys... I do have a video of my son riding it...we been holding off posting it because we are still trying different sprocket ratios and have a new clutch on order and we think we can get it better than it is. It goes forward when you hit the gas but it's not going to break any land speed records lol. Actually it's pretty much what we had expected...something just under 20 mph, maybe 16 or 17 mph. That's not bad considering most O&R Tom Thumbs only run about 10 mph. Might be able to find another couple mile an hour by tweaking the ratios...but 1HP is still 1HP and there's just so much your going to get out of that engine. It also doesn't help that he's 6'3" and 180 lbs. If you put an 80 lb kid on this thing I think it would easily run 20 mph. We only had time for one quick test ride and he had to hop a flight back to school. I'll send the bike out to him and he can fool around with it some more in his spare time. Overall I would call it a success and we had some fun working on it. He's already planning a scratch built bike with more HP for the next project. I will post an update with the new clutch and sprocket ratios installed. 3 Stormin, Wallfish and Alan reacted to this Share this post Link to post Share on other sites
