Karsten - Seagrave

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About Karsten - Seagrave

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  • Birthday 09/17/1960

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  • Gender:
  • Location:
    Queretaro MX
  • Interests:
    Classic cars previous 1930 , photography

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  1. April 2020, time goes and improvements fill the records. Up to today I have rebuilt the speedster and will to running tests in the next weeks. It has been a wonderful job with lots of exiting adventures. Here some pics
  2. Time is short nowdays and trying to invest every free minute in the speedster. Wheels will be cast aluminum and hope they will run. Engine will be ready for kickstart in february,
  3. About repositioning the engine and steering shaft.
  4. August 2019... The project becomes more and more reality, dozens of parts remanufactured and repaired. Now it comes to reposition the engine and control gear. I could lower the steering shaft down to the angle I find best by moving the engine about 15 cm back. steering gearbox and carburetor had a space conflict, so I turned the carb 180 deg. Seat, steering wheel and gear shafts repositioned. After looking for more than one year for rims it turns out that we will remanufacture the rims in aluminum cast. Wood molds are being made at the moment. This is a major improvement as I prioritize of using the original wood wheels. I dismantled the engines carter and found a beautiful cathedral of cylinders and pistons in an outstanding condition. The art of casting the aluminum block is surprisingly perfect. The Seagrave engineers were amazing in r&d. Taking notice that this F6 T head was designed 1910 it surprises with advanced technology for those days. This journey into the past of our automobile history is mindblowing.
  5. Wow! What a good advice! This is a dream of a solution!! Thank you!!
  6. It has been some time but I start to see some small improvement in the speedsters shape. Here some recent pics.
  7. Hi there, my Seagrave gearbox is leaking oil from the shifting shafts. I did not recognize this when I overhauled it and now am not able to take the shaft junctions appart to adapt a seal... How can I seal it now? I appreciate a hint.
  8. Thank you for sharing your story. Stay on, time is not relevant but health and life is. Love to hear about your project, as mine is getting ito a decisive stage. There is still some work to do on the body design like moving the radiator back over the front axle.... but the project is so much fun and pleasure, so I enjoy and let it be a neverending story.
  9. Hello Marc, doyou have some actual pics? You should have some improvements after 1,5 years Id love to see. karsten
  10. Thank you Terry! Fantastic explanation and work you have done here.
  11. Starting to do maintenence on the F6 engine I discovered that some valve guides are burned. One valve has a 3 mm long fracture on the shaft. Does somebody have information about the valve guide material and if the fracture is to be considered to become a valve failure, breaking appart?
  12. The bigger sprocket is a new part manufactured and hardened on the older ones basis. No weldings as it is a security part that transmits the brake power from the drums installed on the same drive shaft.
  13. I also changed the sprocket size increasing two more teeth as I had chain to compensate the length. The beautiful shifting mechanism runs smooth and is ready to go. I have to reconsider some shifting rod position and the pedals, but this should not be too difficult.
  14. The gearbox was a complete mess. The gears grinded and a pound of metal pieces sedimented. I could tell the day I opened it in El Paso 's yard that there was nothing left there. It happened to be wrong g. As one of the main tasks I started to dismantle the transmission and was truely exited about the engineering behind it. A two floor transmission. The upper half the shifting gears, the lower the differential with separetad lubrication system. Beautifully manufactured and well thought. The differential was about mint. A heavy oil, more grease protected the conical gears from rusting. The bearings top. So I had to focus only on the bearings and grinderd gears. In total 3 that had to be made. In Mexico we may have a lack of high tech skilled machine operators, but we have a surprising good fundus of artisians knowing how to mill a gear with their 80 year old machines. Even the cutter for the gear modul was in a dusty forgotten wood box from the shops grandfathers time. These guys made a terrific job. The parts matched 1:1 immediately and testing was successul. The bearings were brought together from several shops arround the country, as they are also rare and discontinued. So, despite leaking oil through some unaccessible joints, the gearbox has become a proud piece of prewar engineering, designed and build when Titanic was on the drawing board. Same as the engine. The F6 T Head was designed 1910. Up to now I have only one major problem unsolved; The wheels, the metal rim is totally corroded. To make new ones cost over 1000 US a piece. I have to figure out what to do here and maybe someone has an old Seagrave truck and wants to sell the wheels. Anyhow. In a few month I will have this issue on my time frame.. Meanwhile I will prepare to change the engine from the 1929 Seagrave truck to the 1919 Speedster chassis. I am very exited about this step.