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Mike Rolls

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Everything posted by Mike Rolls

  1. Me too - got to the field and unloaded 4 fuselages but only 3 wings. Mike
  2. I missed the bit about 3/4 channels - I was thinking of the Junior 60 rather than the Super 60, but you are right - the latter is probably better suited to what Tom is looking to achieve. Mike
  3. In view of what you say, I would second the Junior 60 as a 'first build' choice - excellent aeroplane and enough of a 'learning curve' to stand youin good stead with future projects, of which i hope there will be many. Mike
  4. Do I understand this correctly? You pay £20 for digital subscription and can only read on line, not download for future brwosing? If so, that is just plain ridiculous. Mike
  5. PS - didn't read all the way through your second post- the very poor reproduction of the plan on the BB site is of the Mk I - hopefully so is what arrives Mike
  6. Ady The Mk i was designed around the radially mounted Frog 175 petrol motor - and when they came along it would accept the radially mounted 100 and 180 diesels and the 160 glow. The Mk II was redrawn at the front to accept beam mounts for the frog 150 diesel (by the time it came out the radila mounted motors were very definitely old hat). I haven't been able to find a clear enough plan of the Mk I to be able to see if there were any other chanes, I am afraid. HTH Mike
  7. Scooby Doo The original engine test for the Amco PB 3.5 (Aeromodeller, 1950) gave the checked weight as 3.75 ounces for the version with the short shaft extension or 4.12 with the long extension. Can't tell which yours is from the photo, but looks rather like the long version as near as I can tell. Mike @import url(http://www.modelflying.co.uk/CuteEditor_Files/Style/SyntaxHighlighter.css);@import url(/CuteEditor_Files/public_forums.css);
  8. Posted by Trots on 18/11/2011 06:46:02: Yes what a lovely smell! I too used to mix my own diesel fuel , the local chemist would sell me ether in I think a two litre bottle and because he knew me well he would also sell me a small bottle of Amyl Nitrite , you had to be careful with this stuff as I think medically it was used as a heart stimulant ! Try buying this stuff from your local chemist now! So true. Back then I didn't realise that AmylNitrate could probably have been bought from the chemists so didn't try. Mike @import url(http://www.modelflying.co.uk/CuteEditor_Files/Style/SyntaxHighlighter.css);@import url(/CuteEditor_Files/public_forums.css);
  9. I used Nitrex 15 and it was a different tine to Simon's. This was for Cox 049s in about the early 80s. I remember the Frog, KK and Mercury fuels from the 50s but as an impecunious schoolboy I mixed my own -25:25:50 ether:Castrol XXL;paraffin. Paraffin from the corner hardware shop at about 2d a pint. ether from the chemist - about a shilling for four ounces or so, and the oil from thelocal garage - can't remember how much that cost. but a pint of my fuel was much cheaper than any of the commercial offerings and - to my mind - went just as well in a mix of ED Bee, Elfin 149 and 249, AM 10, 15, 25 and 35. For 1/2 team racers with the AM15s I added nitrobenzine to extend the range - it worked, but made the settings very critical - awfully easy to end up with a moaning, semi-seized engine! I also stopped using nitrobenzine under the impression it was carcinogenic - it isn't, but is a very nasty substance attacking the blood stream. MIke @import url(http://www.modelflying.co.uk/CuteEditor_Files/Style/SyntaxHighlighter.css);@import url(/CuteEditor_Files/public_forums.css);
  10. One passenger survived the Staines crash, but only briefly - can't remember if he died in hospital or before he could be got there. I worked for the Surrey County Council health department back then - one of my colleagues was the chief ambulance officer who was really upset at how difficult it was for his crews to get to the scene. Mike
  11. I rely on checking the voltage in the pack. Got a table a while back when Li-pos first came into use and seems to be reliable. For 3s packs (others can be pro-rata) 12.6V 100% 12.45V 90% 12.3V 80% 12.0V 70% 11.7V 40% 11.4V 20% 11.1V >10% Note the rapid fall-off once below 12V HTH Mike @import url(http://www.modelflying.co.uk/CuteEditor_Files/Style/SyntaxHighlighter.css);@import url(/CuteEditor_Files/public_forums.css);
  12. Many thanks for the link - fascinating! MIke @import url(/CuteEditor_Files/public_forums.css);@import url(http://www.modelflying.co.uk/CuteEditor_Files/Style/SyntaxHighlighter.css);@import url(/CuteEditor_Files/public_forums.css);
  13. Wow! Mike @import url(http://www.modelflying.co.uk/CuteEditor_Files/Style/SyntaxHighlighter.css);@import url(/CuteEditor_Files/public_forums.css);
  14. A 7x4 is going to place a bigger load on your set up, so the amps will rise - do you have enough in hand in the spec of you ESC etc? Really need to test such a set up with a Watt meter or similar. Mike @import url(http://www.modelflying.co.uk/CuteEditor_Files/Style/SyntaxHighlighter.css);@import url(/CuteEditor_Files/public_forums.css);
  15. I'm another satisfied customer of GC Mike @import url(http://www.modelflying.co.uk/CuteEditor_Files/Style/SyntaxHighlighter.css);@import url(/CuteEditor_Files/public_forums.css);
  16. It depends on the sort of performance you are after - but for adequate aerobatic performance in the 30-60 size range, which covers an enormous number of models, and assuming normal sports motors, one pound AUW (less fuel) per 0.1 cu.in of motor aize is a rough, but very effective, yardstick, HTH Mike @import url(http://www.modelflying.co.uk/CuteEditor_Files/Style/SyntaxHighlighter.css);@import url(/CuteEditor_Files/public_forums.css);
  17. Just remember - getting old is a lot better than NOT getting old! MIke @import url(http://www.modelflying.co.uk/CuteEditor_Files/Style/SyntaxHighlighter.css);@import url(/CuteEditor_Files/public_forums.css);
  18. I'm another believer in emulsion, which is what I used on my Zero Mike  @import url(/CuteEditor_Files/public_forums.css);
  19. BEB That first one isn't a CG calculator - it's a CG locator for when you already know where you want to place the CG in terms of % of MAC Mike  @import url(/CuteEditor_Files/public_forums.css);@import url(http://www.modelflying.co.uk/CuteEditor_Files/Style/SyntaxHighlighter.css);@import url(/CuteEditor_Files/public_forums.css);
  20. Doug No way - castor oil was one of the lubricants we used. Banana oil is effectively a varnish in the same way that clear dope is, but is non-shrinking. Mike  @import url(http://www.modelflying.co.uk/CuteEditor_Files/Style/SyntaxHighlighter.css);@import url(/CuteEditor_Files/public_forums.css);
  21. Not banana oil - not because it doesn't work, but because he needs to have a non-pongy solution. Mike  @import url(http://www.modelflying.co.uk/CuteEditor_Files/Style/SyntaxHighlighter.css);@import url(/CuteEditor_Files/public_forums.css);
  22. I have heard of (but never tried it myself, so no guarantee) folk using Polycell or similar wallpaper ahesive used thinner than normal to reduce the weight. Mike  @import url(http://www.modelflying.co.uk/CuteEditor_Files/Style/SyntaxHighlighter.css);@import url(/CuteEditor_Files/public_forums.css);
  23. Augusto Really brings back the memories of Mick Marshall's (my flying buddy bsck then) version. No idea what his weighed, but probably in the 20-25 ounces region to be towed around by a Mills 75. Compared to yours, his motor only weighed 1.75 ounces and no radio, so I reckon you are doing pretty well. Mike  @import url(http://www.modelflying.co.uk/CuteEditor_Files/Style/SyntaxHighlighter.css);@import url(/CuteEditor_Files/public_forums.css);
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