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bendmeroundthehedge

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Everything posted by bendmeroundthehedge

  1. Paramotors are overpriced as it is IMO. Then they want you to buy an upgrade kit to preplace the poor quality parts they supplied. Get your money back, the product supplied is not fit for purpose.
  2. Can’t believe it was 4 years ago Dave. Hope you are well.
  3. Sounds a good idea, but how is a tilt switch set up on a paramotor so that it will only function on the ground and not when you are flying? I can easily see a lot of times when your paramotor is at steep angles in flight. It was just an idea. Would work well in a school environment. In flight, when centrifugal force comes into play, a mercury switch might work ok. I personally would not want anything attached to one finger.
  4. When things start going tits up you can have as many safety devices as you like, but in the heat of the moment nobody will use them. What’s needed is something you don’t have to think about. A simple cheap as chips TILT SWITCH connected to ground out the coil. Can be set at any angle and only cost a couple of quid.
  5. One of the best sounding 2 strokes I’ve heard is the Kobra Rocco
  6. Never bother checking fuel level. The old gal holds 4 gallon!
  7. Just a quick heads up. The component often overlooked when trying to sort out an engine problem is the CDI, usually because the engine still runs, so the CDI must be OK? What can and does go wrong is the inbuilt advance/retard. It will fail either of two ways. If the CDI fails fully retarded, you’re lucky, but you could end up thinking fuel or wiring problem. Or if it fails fully advanced, it will eat pistons for breakfast. If you cannot 100% find the cause of a blown piston check the CDI. Substitution is the quickest and safest way, failing that use timing light. Fortunately a lot of units share the same CDI so they are readily available. Parajet is a local source. Failure is not a regular occurrence, but worth putting on the engine problem checklist.
  8. http://dtpropellers.com/ . Good quality and price. Works as well as the original.
  9. Just put a search in for bobbin mounts. You may be lucky to find some in your area. Be careful to get the correct Shore rating (hardness of the rubber). Best to take your old one along.
  10. Good to see you down the field Sunday Carl. Thanks for the link. I was looking for an original prop and have since found one. Shipped from USA and still saved £80.00. Good old rip-off UK! Am seeing a guy tomorrow about the cage (titanium). Am in Cambridge next Sunday but weather permitting should see you soon at the field. Kev
  11. Does anyone know where I can get my prop duplicated?
  12. Have you tried Marston airfield just outside the town of Market Harborough. Don’t know anything about them, maybe worth a call. Another good one. Flying fish paramotors in notts. Great guy, and you won’t get ripped off.
  13. Bright spark.should have gone to spec-savers.
  14. You can get higher capacity batteries BL-5C for the Contour up to 2430mah on eBay.
  15. Is the throttle lever adjusted so when the engine is at max rpm, the lever is pulled back as far as it will go, so that there is no strain on butterfly pivot? If not, adjustment may put the lever in a position for better feel/control. This may not be your problem, but simple stuff first !
  16. Has it always struggled to turn over, or has the problem developed.
  17. >Posted this a while back. > > "People believe that the oil just rushes right through a two-stroke > along with the fuel, but that just isn't > > so. The engine is lubricated by the residual oil that builds up in > the crankcase. All the oil in the fuel does is replenish this oil. It > can take an hour or more for the oil migration through a two-stroke to > result in complete oil exchange. > > What happens to the oil in your fuel when it goes into the engine? > While the oil is still suspended in the liquid petrol, it cannot > lubricate anything. It has about as much lubricity at that point as > straight petrol. When the petrol enters the engine, it evaporates, > dropping the oil out of suspension. Now that the oil is free, it can > lubricate the engine. > > The best way to determine if you are running enough oil is to check > the level of the residual oil in the crankcase. When you are using a > sufficient amount of oil in your mix to thoroughly coat and lubricate > all of the moving parts, then after the engine is shut down and sits, > enough oil will drain down into the crankcase to form a small puddle of > residual oil at the bottom. After a major stripdown rebuilders > > pour oil into the crankcase. > > The oil eventually makes it into the combustion chamber, where it is > either burned, or passes out the exhaust. If the combustion chamber > temps are too low, such as in an engine that is jetted too rich, the oil > doesn't burn completely. Instead, some of it hardens into deposits in > the combustion chamber. The rest becomes the dreaded "spooge". The key > to all of this working in harmony is to jet lean enough to achieve a > high enough combustion chamber temperature to burn the oil, but also > still be able to supply enough oil to protect the engine." > > None of the above process begins until the engine is at working temperature, Until then oil flows straight out with the petrol. Also the amount of oil each engine uses varies. A small engine or one that is thrashed will use more. A Large engine used with mechanical sympathy will use less. The Manufacture gives oil % for worst case scenario. Most of the oil will settle in the piston in an inverted but not all, hence your oily plug.
  18. Install the circlips with the opening facing straight up or down, that way inertia will hold it tight into the clip groove.
  19. Primary use is for taking video footage. I had a problem with vibration at different rpm ranges. The ebay body mount looks interesting and is certainly cheap enough to give it a go. Thanks for the input.
  20. Thanks for the info Simon. A few pictures to give me some ideas would be nice. I was thinking of a body mount to isolate the vibration.
  21. Anyone fly using a larger camera? I am looking for an alternative to the stupid money body mounts available and wondered if anyone has any home brew ideas?
  22. Ouch! Without stating the obvious regarding lean running, from your pictures, the grey ring of death running round the perimeter of the piston shows it has been running VERY lean. Maybe a bit more than a few bubbles in the fuel line?
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