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  1. scruffmeister

    Prop Choice for IMAC - DA120/RE2 Pipes

    Hi All, For the last two IMAC seasons I've been running a DA120 on JMB TRA-40 canisters, turning a 25x12S Mejzlik 3-blade prop. It's been working great, but... I'm planning to put the engine on RE2 pipes for next season to give me a bit more power. Can anyone recommend a prop for IMAC with...
  2. scruffmeister

    DLE170

    I'm considering purchasing a new DLE170. I'd like to hear anything you like/don't like about this engine please? (I've read the testing data here).
  3. scruffmeister

    IMAC First Carden 124" Extra 300 Pro Build

    My Carden 124" Extra 300 Pro kit arrived yesterday. I've got a reasonable amount of building experience, but this will be my first time building a giant scale model. I'm not in a rush as I have a good IMAC frame already so I'll be taking my time in the hope of getting things right. Thanks...
  4. scruffmeister

    DA170 Pipe Recommendations

    Hi all, I'd appreciate some advice. Am getting ready to put together my first "40%-er". Plan is to use a DA170 on pipes, but the question is - which pipes? The ones I'm considering are really RE3 vs KS1090 although I'd happily hear other good options too. Can anyone share any experiences please?
  5. scruffmeister

    Carbon Propeller Repair

    Hi guys, I made an error when I was dragging my plane back from the pits and caught the tip of the carbon prop (a Mejzlik 24x10) on the concrete. It has taken a small chunk out of one prop tip. I'm looking for advice if this can be safely repaired and if so how? I am happy to throw it in the...
  6. scruffmeister

    Bowman Rings

    Emailed Frank Bowman today to obtain some more rings and was informed he had retired. His product was of exceptional quality and a good tune-up on a DLE engine. Does anyone know of anywhere else I can obtain rings of a similar tolerance / quality to upgrade the ones in a new DLE?
  7. scruffmeister

    DA120 idle

    Hi guys, My DA120 is well run in (5+ gallons). I'm having trouble getting it to idle below 1100rpm without cutting - I feel it should be able to go lower. I leaned the low end about 1/8 turn but it didn't have any real impact. When I ran with cowl off, I noticed that when I flipped choke off...
  8. scruffmeister

    Opinions please - Fixing Misaligned Manifold/Canister

    Before I take this job on, I thought I'd just ask for opinions... I have a bit of a problem between my canister and manifold. I'd like the canister to run straight down the fuselage due to its size (very tight fit), but this leaves an angled gap which you can see in photo. Anyone got any...
  9. scruffmeister

    Tips for Attaching Sensors to Engine Cooling Fins

    (I wasn't sure if this should go in telemetry forum, or engine forum - I settled on engines as it's really a question about how to attach things to engine cooling fins). I have a temperature sensor I would like to attach to the cooling fins on my DA120. It has a lasso loop (see pic), but I...
  10. scruffmeister

    Fuel proof sealant

    Can anyone recommend a fuel proof sealant that I can use to reseal the cap on a Fortitude tank once I have opened it up and replaced the cap?
  11. scruffmeister

    MTW canister - header length?

    I've got an MTW 110TD to use with my DA70. I'll be using it with a two-into-one manifold, but can anyone tell me if this canister is sensitive to manifold length? I'd like to adjust the length of the single pipe if possible to get the canister where I want it. (Unfortunately MTW are now closed...
  12. scruffmeister

    No Limitz Spinners

    Are these still made, if so what is the company website as the only like I can find (won't post it as won't help anyone!) doesn't work. I see PAU have the spinners, but surely there is an original source?
  13. scruffmeister

    Safe Workshop Humidity/Temperature For Planes?

    Wasn't really sure where to put this!! I've noticed that as Winter approaches the relative-humidity in my workshop is 75-90% with the internal temperature anywhere between 41-54F (my heater comes on at 41F so it shouldn't drop below that). Is there a risk that these conditions could, over a...
  14. scruffmeister

    Red Carbon Fibre Spinner?

    I'm struggling to find a 4.5" red carbon fibre spinner in the UK. I'm happy to import from US but I'm not really familiar with the shops in the US - can one of you guys who know point me in the right direction of which shops to buy from please? (Only other requirement apart from red is that is...
  15. scruffmeister

    PAU Distributor in UK/Europe?

    I'd like to obtain an Extra 300SP but am based in UK. Are there any PAU distributors in Europe? Thanks
  16. scruffmeister

    IMAC Incidence Meters

    Apologies for posting this in the "build threads" section, it seemed the most appropriate place to put a question about a build tool. I'd like to buy an incidence meter suitable for use with giant scale (up to 40% planes). I wanted to get the Hangar 9 AnglePro along with the extension bar, but...
  17. scruffmeister

    Show us your IMAC transmitter setups

    I thought it might be helpful to start a thread where people could post their IMAC transmitter setups. I'm a relative newcomer to IMAC and am just starting to develop a setup that works well for me - it would be great to hear as many different perspectives on this as possible. As an example my...
  18. scruffmeister

    Servo Arms for 100cc (2.6m) IMAC Airframe

    I'm building my first 100cc airframe to use exclusively for IMAC. There will be absolutely no 3D on this airframe - I have other airframes for that so minimum required travel/maximum resolution is what I'm after! Unfortunately I don't really know where to start with servo arm length t get what...
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