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Type: Posts; User: MJD

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  1. Thread: Just an idea..

    by MJD
    Replies
    3
    Views
    142

    Just an idea..

    This forum seems to be pretty dormant these days, A few little things happening here and there, but maybe it needs some new kind of activity to rouse the lurkers and wake things up. I had an idea...
  2. Thread: 1/2A Boomerang

    by MJD
    Replies
    31
    Views
    1,278

    Winter is pushing itself through the door here by...

    Winter is pushing itself through the door here by force, last few days have not been good RC days, I put up an EF-1 Shoestring on Saturday, but that was in 15-20mph winds and -3C temps, and it slices...
  3. Thread: 1/2A Boomerang

    by MJD
    Replies
    31
    Views
    1,278

    Yeah, long drive to listen to someone *****ing...

    Yeah, long drive to listen to someone *****ing about the cold..
  4. Thread: Teeny tiny servos

    by MJD
    Replies
    7
    Views
    214

    Much as I love .010's I can't see the combo being...

    Much as I love .010's I can't see the combo being ideal.

    What are you going to use for a prop?
  5. Thread: 1/2A Boomerang

    by MJD
    Replies
    31
    Views
    1,278

    Oh yuck. I think we could get one more thaw and...

    Oh yuck. I think we could get one more thaw and temporary respite, but I'm not counting on much more than that.


    Saturday, 15 Novemberhttps://weather.gc.ca/weathericons/16.gifCloudy with 60...
  6. Thread: 1/2A Boomerang

    by MJD
    Replies
    31
    Views
    1,278

    20-25cc is what I'd target also, The real...

    20-25cc is what I'd target also, The real question was related to the convenience of needle access. I'll solder a brass slot screw head to the needle stub I think, or if enough material, sleeve it...
  7. Thread: 1/2A Boomerang

    by MJD
    Replies
    31
    Views
    1,278

    The bladders I've made generally have lots of...

    The bladders I've made generally have lots of unexpanded tubing between the filled part and the nipple where it attaches. So I think as long as I see a few diameters of free tubing either side it...
  8. Replies
    200
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    11,471

    Nice job Speedy. Everything I've seen you post...

    Nice job Speedy. Everything I've seen you post looks really well done.
  9. Thread: 1/2A Boomerang

    by MJD
    Replies
    31
    Views
    1,278

    Hey here's a question for the combat flier(s) in...

    Hey here's a question for the combat flier(s) in the crowd - how much does the needle setting vary between subsequent fills and runs on the same bladder?
  10. Thread: 1/2A Boomerang

    by MJD
    Replies
    31
    Views
    1,278

    Our new hangar/shop is a large shed next to 100...

    Our new hangar/shop is a large shed next to 100 acres of flat cultivated fields with two runways. 20 minute drive away. So for starters I'll put in10cc of fuel and burn off 5cc walking to the edge of...
  11. Replies
    173
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    4,102

    Popped out for test glides today at lunch. Cold...

    Popped out for test glides today at lunch. Cold and windy, but the model handled it fine. CG seems good, control is solid. Ready for powered flight.. just add fuel bladder.
  12. Thread: 1/2A Boomerang

    by MJD
    Replies
    31
    Views
    1,278

    Temperature is 33F, winds gusty 10-15. So,...

    Temperature is 33F, winds gusty 10-15. So, logically, at lunch I took the Boomerang out back for some test glides. All is well - CG feels good, slightly nose heavy relative to race trim. Fast flat...
  13. Replies
    173
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    4,102

    Hooray, life has finally settled down enough to...

    Hooray, life has finally settled down enough to make some progress this week. Radio install complete, wing mounting done. Just need to install the bladder and saw off the NV and ready for maiden...
  14. Thread: 1/2A Boomerang

    by MJD
    Replies
    31
    Views
    1,278

    Progress - really. Last two evenings completed...

    Progress - really. Last two evenings completed the radio install and am very happy with the fit and balance etc. The aircraft is all ready to go except for two details:

    - fitting the bladder tank...
  15. It is rated at 60 - 70N = 13.5 - 15.7lbf.

    It is rated at 60 - 70N = 13.5 - 15.7lbf.
  16. Yes it is - PM on the way. It is an ER-90 from...

    Yes it is - PM on the way. It is an ER-90 from Hubert Leubner: http://www.pulsotriebwerk.de/
  17. Thread: The 24 year itch

    by MJD
    Replies
    56
    Views
    1,892

    I have a couple of end-of-rolls of carbon tow...

    I have a couple of end-of-rolls of carbon tow that work nicely for this. On that lekkie Simple 400 I was flying around 4-5 years ago (stupid tree..), I sanded a groove top and bottom, then just laid...
  18. Sure did! Got back Thursday evening from a week...

    Sure did! Got back Thursday evening from a week of trade shows and meetings, all done, back to more important matters, Went in yesterday to shoot the charcoal underside but (a) forgot the A side and...
  19. Replies
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    3,372

    One day I'll finish the 22" .010 Tomboy, but I...

    One day I'll finish the 22" .010 Tomboy, but I wonder if I should have gone a hair bigger.
  20. Replies
    32
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    3,372

    I've had very good luck with the Lemon Rx...

    I've had very good luck with the Lemon Rx receivers in small stuff so far. I bought them due to good reports and amazing price. I bought a couple of the pinless versions with the intent of making a...
  21. Replies
    173
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    4,102

    I am truly a loser.. totally guilty of doing...

    I am truly a loser.. totally guilty of doing little snippets of work on several things instead of lots of work on one thing. What can I say. But I did finish the fuel system and access to it for...
  22. Replies
    21
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    814

    What about it? That model uses two pulsejets that...

    What about it? That model uses two pulsejets that fit within the AMA rules.

    The bladder tanks may be another issue, might have a problem with this one: Flexible plastic bags will not be allowed...
  23. Replies
    32
    Views
    3,372

    Nicely done. How is that K&B for power..? I...

    Nicely done. How is that K&B for power..? I assume the M-none is lighter than the original, not sure it is possible to be heavier.
  24. https://www.youtube.com/watch?v=4tIJE3dm0ys As...

    https://www.youtube.com/watch?v=4tIJE3dm0ys

    As the paint cures.. may as well fool around with the engine. Here I get it started in 1:14, I'll go for 30 seconds next time.. :p
  25. Replies
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    257,141

    Sticky: Hey Speedy! Things are good with me. Spent a lot...

    Hey Speedy! Things are good with me. Spent a lot of the flying season racking up time in the Tiger Moth, including a kick-ass trip down to the Geneseo (NY) Air Show, and a fair amount of fiddly work...
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