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About Wristpin
  • Rank
    Advanced Member
  • Birthday September 5
Profile Information
  • Gender Male
  • Location Romney Marsh, Kent
  • Interests Most things mechanical!
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  1. Rotaped Tracks

    They were quite common in the 50s, the hay days of grant aided land reclaimation and drainage, fitted to Howard trenchers and tile drain layers
  2. Reversing a Lucas SR1 magneto

    The following is quoted from a manual on overhauling and testing magnetos. " Before working on a magneto connect a spark plug to the HT lead with the body of the plug connected to the magneto body. If this is not done and the magneto turned beyond its "spark point" the high voltage generated will find the easiest path to earth. At best this could cause tracking across the bakalite cover, creating a permanent problem, at worst it could destroy a perfectly good - and expensive to replace - coil." It goes on to warn of the risk of destroying a digital multi-meter if the rotor is turned with the meter connected. You have been warned
  3. One of the first Westwood Gazelles

    You are correct that GH was a Scientologist but I've never heard that it extended to the tin bashing side of things!
  4. One of the first Westwood Gazelles

    Certainly similar to that Atco but without researching some catalogues and Parts lists I can’t remember the distinguishing features that separate the re- badged Dynamarks from the later UK made ones.
  5. One of the first Westwood Gazelles

    The early Westwood’s were in fact rebadged US Dynamarks ( as were the first Atco tractors) . One of the distinguishing features was the rounded, pressed deck, whereas the first Westwood made decks were the angular, fabricated “threepenny “ bit ones. But , before that is used to date Westwood production , I’m reliably informed that early home built Westwood tractors used the rounded Dynamark decks.
  6. Aspera/Tecumseh query

    My workshop manual only shows side by side ports but does show both methods of valve retention, referring to the pin system as “early”. Not sure whether this helps or hinders! Edit 8/11/17 Just realised that in the Dropbox scans that I posted earlier , the Lauson H30 has the "90 degree ports" and the Aspera one the parallel ports. https://www.dropbox.com/s/k783cnjt6i95mx2/Lauson H30%2C Aspera H300001.pdf?dl=0
  7. Aspera/Tecumseh query

    Specs and torque settings. https://www.dropbox.com/s/y87xhox3a0mhqpb/Aspera specs and torque settings.0001.pdf?dl=0
  8. Aspera/Tecumseh query

    Sounds like progress. UNC into alloy castings is normal even for the Italian manufactured ones but the pattern of the recoil unit suggests a fairly early unit , so it could be of US mfg. Images may give a clue as to exactly what you have so the more the better. Move the thread if you wish but don’t split it . Split threads about the same machine are a pain - imo!! Meanwhile, assuming it to be an H30 I’ll sort out some clearance and torque figures.
  9. Aspera/Tecumseh query

    Its possible that your engine is an H30, not a BH but I will have a look at some books in the morning. Also wondering whether the blower housing / cowling that the starter mounts on is the correct one for the block - looks a bit of an uncomfortable fit. The images of the carbs are for vertical crank engines on rotary mower applications and not relevant to your problem. Edit I've not been able to match your numbers to any reference material that I have but here's a couple of scans of H30 models, one of the original Lauson version and one of the Italian made "clone". They both feature the stepped inlet manifold. https://www.dropbox.com/s/k783cnjt6i95mx2/Lauson H30%2C Aspera H300001.pdf?dl=0
  10. Adding images to posts

    There’s a thought, chance to get rid of one of the old paper ones from under the mattress!
  11. Adding images to posts

    Spot on! Never realised that there was a limit. Know that "rules is rules" but seems a bit hard as nearly all my attachments have been to help others!
  12. Adding images to posts

    In the past I've never had a problem adding images to my posts, but on the last two occasions they have been blocked by the forum software. Not doing anything different and resizing down to the smallest option. Tried both the drag and drop and "choose files" options. Any ideas? Got around the immediate problem by using Imgur but have never had an issue with using directly from my own photo library before.
  13. Not exactly old but, it seems, as rare as hens' teeth! In 2007 Mowbots were distributed by Henton and Chattell in Nottingham but as too often seems to happen in the garden machinery world the manufacturer was not satisfied with Henton's efforts and gave the agency to a company based in Southern Ireland. Let's just say that from then on things went downhill and spares become a problem and now either non existent or eye wateringly expensive. We sold several, two of which survived until now: one with a former customer has just died (the bot, not the customer!) and one, another former customer's machine, with me which is on borrowed time with worn traction motors. These motors are still available at over £220 + vat each - not a good proposition for a 10 year old machine. So, if anyone knows the whereabouts of a "spares or repairs" L300 Mowbot , I would love to know about it. https://imgur.com/a/JNuWN
  14. UK Onan Parts supplier?

    Is there there a good UK source for Onan Parts ? If not, a recommendation for a US supplier would be welcome. Thanks
  15. Who did that ?

    I second that.My retirement contribution to village life is to mow the churchyard and the B's are wreaking havoc. (should be an image here but keep getting "upload failed" message)!
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