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About Millstone10

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    Fast Driver!

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  1. The vote that is most necessary is in Northern island (NI) to decide whether there is a consensus to leave the UK and join Ireland. If they (NI) vote to leave this solves many problems for NI and everyone remaining in the UK as the levers don't have this to hide behind (their no deal desires) and the arrangements in Mays deal for a customs union are null and void and need to be renegotiated properly. The Belfast/Good Friday agreement signed by Blair gave devolvement and the constitutional right to the residents of NI, If I have it correctly, by a simple majority. Protestants are now in a minority there (including agnostics and atheists to the "other side"). Many Protestants will vote for Ireland as well I think. The UK effectively does not have sovereignty over NI now, its up to them. Give NI the vote now. A bit simplistic I know, but this is the leading issue necessary to solve and come up with a deal that a house majority can agree with. Do NI want to be in the EU or the UK. Ask them to vote ASAP.
  2. I reckon this would be good, may need to borrow a maggiebase though A bit expensive to hire for only a few holes. https://www.ebay.co.uk/itm/ALFRA-ROTABROACH-TYPE-ANNULAR-MAG-DRILL-CUTTER-SHORT-LONG-BROACH/171376827777?hash=item27e6dadd81:m:mttiQBdl3jrDbzQXNx7-L1w He who dies with the most tools wins...
  3. Hi Tim Yes, Were heading for Toronto. but not sure exactly in the golden horseshoe we'll be based yet as the company have sent me back to Europe for a few months. Now the car is back in storage on the other side of the world! It would be great to catch up sometime. Cheers Nigel
  4. Yep were moving to Canada. I have an understanding better half - allows me to keep the toys.
  5. The saga continues of long term Triumph ownership... After 2 years in a storage unit in Brissy - Its off to foreign climates.. The guy said its the smallest car he's every had on his transporter . Probably one of the best looking though. Looking good though after being locked up for so long... Even started on second starter push with a recharged battery. Off to the container port... Toronto bound.
  6. Hi Ian This is an Odyssey PC680 fitted to a GT6. Plenty of cold cranking power for the 6 cylinder. CCA is 170A on these but the short term peak 5 seconds is over 500A. I almost frighted myself the first time I cranked the engine with this battery. You can see how much smaller than the standard battery + you can mount it flat if that fits better. I have it fitted witha Ctec battery conditioner/charger socket. Very happy with it. Cheers Nigel
  7. I had a go at similar stuff using linear pots - worked partially using a techedge logging unit but allot of lag and not very repeatable. Lost interest but could have got there with an oil bath maybe... It was a bit of fun though... Carbs have central TPS and vacuum log on each. http://sideways-technologies.co.uk/forums/index.php/topic/6165-twin-su-lambda-readings/page-2 Maybe of interest...
  8. +1 for Penrite 20:60 Especially for the Queensland climate. All round improvement in pressures but then again winter is 10 to 15 degrees, summer Temps unheard of in the country of the gt6's birth.
  9. Ummm. But where is the lowest pressure... Past the bell mouth or created by the engine in the bell mouth ... Have a think about that one.
  10. I think it was a volvo site bit its one of the multiple picture I aimlessly copy into my reference collection
  11. A lot of these argument focus around the final couple of percent performance around WOT (wide open throttle). Which is a bit much for a fast road/track day/hill climb car. (I'm sure most here think of their motors in this category A better focus is tractability, removing known problems with plenum type induction (including both single TB and carbs) and simplicity of fabrication so CNC and cast manifolds are out (maybe CNC though...). This is a good article; http://www.performancebyie.com/blog/the-right-bellmouth/ The raised and properly shaped bell mouth has a couple of functions that may be counterintuitive to "what looks bright is right" arguments. My experience of this was working with a mine ventilation consultant designing a fan installation with a 2.4m diameter intake and evase. That was all about cost benefit of fabrication cost V power cost trade off - the equivalent here (of making your own manifold) would be driving style V complexity V available tools etc. The main issues for a single TB/carb plenum is that the air has to turn 90 degrees and potentially with sequential intakes in series. The solution here is reducing the cross section to each intake. For the bell mouth it is the best compromise for 90 degree air feed and the minimisation of standing waves that potentially will cause flat spots at certain rev's. The solution is the raised large radius bell mouth. Setting up simple rules for this type of design is the way to go... IMHO I would start with: Runner diameter at equivalent circular area of inlet duct of head/valve. Runners as long as will fit under the bonnet to get the potential benefit as low down the rev range as possible Plenum volume of 1 to 1.5x of engine capacity. Plenum reduces volume to furthest intake at between 12 and 15 degrees. Raised bell mouths with diameter of lip at approx' 10mm or follow the previously posted full design. Please discuss John - I think that you have a good design there. The only thing I would look at is an increase in bell mouth curvature. p.s. From my mine ventilation experience air should not ever be made to turn through more than 90 degrees in a confined space/duct. MASSIVE increase in resistance and very unpredictable follow-on effects of pressure and resistance changes at different flow rates. All ducts must have the same angle to any manifold. p.p.s A manifold doesn't need to be clingy to conform to these "rules". See attached picture. The only thing I would change to this design is the angle of delivery to the air to the first intake, much to steep here and easy to fix. I can't find where I copied this from - sorry.
  12. I think that you need to address the issue of changing static pressure above the intakes. Ideally they should be equal over each hence the reducing cross section . That Jenvy box may be OK for a carb setup but for a single throttle body would give a very uneven intake pressure above each intake and therefore uneven charge per cylinder. As each bell mouth should really have at last a 180deg semicircle. No need to reinvent the wheel... copy the attached best as possible... no reason the TB mount should not be rotated 90 deg to fit better. This could be done with a simple sheet fabrication to approximate very well, no need to be cast and I haven't heard anyone talk of supercharging yet... A couple of notes attached. IMHO of course.... N Ideal ram pipe.xls
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