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Board Trackers and Vintage Motorized Bicycles Vintage enthusiasts share your board trackers and other vintage motorized bicycles ideas, builds and replicas here

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  #21  
Old 01-21-2015, 09:48 PM
butchl butchl is offline
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Join Date: Sep 2008
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Default Re: Flyer Production

Are your head tube lugs larger than a regular bike frame head and thicker wall??
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  #22  
Old 01-22-2015, 07:28 AM
curtisfox curtisfox is offline
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Default Re: Flyer Production

Do you sell the lugs seperate?............Curt
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  #23  
Old 01-31-2015, 11:58 PM
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sportscarpat sportscarpat is offline
Bonneville Bomber the Salt Flat record breaker
 
Join Date: Jun 2009
Location: california
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Default Re: Flyer Production

Here is another gas tank I have been messing around with. Similar to the vintage Indian gas tanks. Stainless steel and all tig welded construction. These take a bit longer to make than a flat side tank as there is more forming and welding involved. I pressure tanks up to check for leaks then turn off the air. Four hours later it hadn't lost any pressure so this tank will not leak. No sealer was used.

Sportsman Gas Tanks by Sportsman Flyer, on Flickr

Sportsman Gas Tanks by Sportsman Flyer, on Flickr
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  #24  
Old 02-01-2015, 12:13 AM
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sportscarpat sportscarpat is offline
Bonneville Bomber the Salt Flat record breaker
 
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Location: california
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Default Re: Flyer Production

This machine was put through it paces out on the open road today. It has an electric starter as it's only means of starting. No back up system so it has to be reliable. Started every time! We've been working on a pedal start feature for the centrifugal clutch, too, but that is still in development. This drop loop frame design has been great to work with as there is lot's of room for different engine configurations. Getting the starter to fit comfortably was still a challenge. The engine has been moved back and up in the frame, which required a redesign of the mounts. I have also made plenty of updates to the reduction drive system.

Bonneville #6 by Sportsman Flyer, on Flickr

You can see the key start on the tool box in this picture and I finally got around to figuring out a simple clutch guard.

Bonneville #6 by Sportsman Flyer, on Flickr

Here is a simpler design boardie seat. No bells and whistles, just a simple and effective design.

Lower Cost BTR Seat by Sportsman Flyer, on Flickr
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  #25  
Old 02-01-2015, 12:39 AM
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Intrepid Wheelwoman Intrepid Wheelwoman is offline
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Location: Hauraki District, New Zealand
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Default Re: Flyer Production

Beautiful Pat, absolutely beautiful
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  #26  
Old 02-01-2015, 02:41 AM
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silverbear silverbear is offline
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Location: northeastern Minnesota
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Default Re: Flyer Production

I concur...
SB
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  #27  
Old 02-01-2015, 05:02 AM
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hsvmick hsvmick is offline
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Join Date: Mar 2011
Location: hobart tasmania australia
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Default Re: Flyer Production

Wow that tank has all the curve's and the bonneville 6 what a beautiful machine
will the tank fit the sportsman 200 frame's? Just thinking and the lower cost btr seats do they come raw leather so i could carve a design in and then seal a colour into it great work pat
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  #28  
Old 02-07-2015, 11:32 PM
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sportscarpat sportscarpat is offline
Bonneville Bomber the Salt Flat record breaker
 
Join Date: Jun 2009
Location: california
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Default Re: Flyer Production

Honda GC160 engine mounts for the Sportsman Pedal Bike frame. Should be a big performance increase over the HF79cc and HF99cc engines. Complete bolt-in installation.

Sportsman 160 by Sportsman Flyer, on Flickr

Sportsman 160 by Sportsman Flyer, on Flickr

Sportsman 160 by Sportsman Flyer, on Flickr
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  #29  
Old 02-07-2015, 11:38 PM
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sportscarpat sportscarpat is offline
Bonneville Bomber the Salt Flat record breaker
 
Join Date: Jun 2009
Location: california
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Default Re: Flyer Production

Here is something else I am working on. I have a few sets of standard Worksman INB forks kicking around the shop so thought I would dress them up with some simple truss rods. Still working on the lower mounts but you get the idea.

Truss Rod Forks by Sportsman Flyer, on Flickr

Truss Rod Forks by Sportsman Flyer, on Flickr
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  #30  
Old 02-07-2015, 11:44 PM
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sportscarpat sportscarpat is offline
Bonneville Bomber the Salt Flat record breaker
 
Join Date: Jun 2009
Location: california
Posts: 1,699
Default Re: Flyer Production

Round Indian style tank finished and mounted to my Keystone Flyer. I'll be changing out the forks pretty soon on this bike to a new internal spring design.

Sportsman Gas Tanks by Sportsman Flyer, on Flickr

Sportsman Gas Tanks by Sportsman Flyer, on Flickr
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