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  1. Cass256

    Ridge Runner 3 restoration - "Project Whiskey" - KBTV

    To start, we're going back in time to September 2019. I had just gotten my PPL & was starting my IFR training. I realized the required hours for IR & CPL would cost a lot renting at 180$/hr in the school's 172s (and the 130$/hr Cherokee had just been taken down for maintenance), so I set off on...
  2. Cass256

    Using a sprag/overrun clutch between the propeller & mounting flange

    I searched both Google & the forum to see if anyone had talked about this, but I couldn't find anything except discussions on electric starters. As far as I understand from reading the manuals & forums, all aircraft 2 strokes can't be pulled to idle in steep descents, making them not ideal (&...
  3. Cass256

    Arduino/ strobe controller + engine monitor

    I'll start this post with a disclaimer: I am not an expert on electronics. I do have a basic understanding of most things, and I'll try to make as much sense as I can, but please correct me if I'm wrong. I'm going to build my own LED assemblies for the nav, strobes, and tail beacon on my Ridge...
  4. Cass256

    Anyone have measurements or diagrams for a Ridge Runner/Sky Raider elevator belcrank?

    This is the belcrank, installed - it's a leveraging & pivoting bracket, attached to both elevator pushrods. I screwed up. During the 3 times I moved while working on this project, I misplaced this pivoting bracket, referred to as the belcrank by the manual. Does anyone have a diagram or...
  5. Cass256

    Positioning a 503 exhaust

    I'm getting to the point where I can start running the engine, however when I bought it there was no exhaust system. I've been looking over the available exhausts from Leading Edge Airfoils, and I can't figure out which one will fit properly. The cowling has a hole cut in the bottom from the...
  6. Cass256

    Reducing fuel consumption, PS200 Thermal coating

    I like rotary engines, and when I heard about the fabled "Rotapower" engine I had to do some digging. One of the marketing claims of the Rotapower is an efficient coating that reduces fuel consumption - Quite a claim, so I went a little deeper and found the NASA Contractor Report (#195445, which...
  7. Cass256

    Ridge Runner/SkyRaider bungee gear

    Today is a good day. I'm finally about to pick up the last of the re-coated metal parts for the RR3, and it's time to throw it back on its wheels for a while. I talked to a fellow RR3 builder who put a recovery chute in their plane, and he said the original bungees sagged on the ramp under the...
  8. Cass256

    Rotax 850 E-TEC Turbo on a plane?

    I was talking with some friends about putting turbochargers on a two stroke, and I came across a snowmobile released this year powered by this - The Rotax 850 E-TEC Turbo. Now this looks like an awesome option for some high DA airstrips, being able to keep 160+hp at 6000ft is pretty impressive...
  9. Cass256

    Is wearing a personal chute with a bail-out system acceptably safe compared to an airframe chute?

    A lot of people advocate for BRS or similar airframe-attached parachutes on E-ABs for phase one testing especially, but I'm not sure it's feasible on my plane due to its design. I've been thinking about making an emergency release for the door+window & wearing a personal chute (I'll get...
  10. Cass256

    Bourke engine viability?

    If you're not familiar with this type of engine, here's an article and here's everything else you could want to know. What are your guys thoughts on this type of engine? I think the idea of using detonation for power is genius, and if the claimed performance specs are anywhere near true...
  11. Cass256

    Using KitFox PVC fairings on a Ridge Runner?

    Anyone have experience with these fairing kits? My RR3’s wings are built around a tube spar as the leading edge (like most KFs iirc), and I was reading about a leading edge “cuff” that KF offers, supposedly improving low-speed handling. Would this fit & work on a Ridge Runner? Would it help...
  12. Cass256

    New member from VT, workin on a Ridge Runner 3

    Hi all, my name is Cassidy. I’m a 19 year old guy from VT training for my IR & CPL (currently am PPL TW, about 140ish hours last I remember), and currently I’m working on restoring a Ridge Runner model 3. I bought the plane in Washington & shipped it here. It had been sitting in a trailer...
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