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  1. D

    Any Aussie here?

    Ah ha, SAAA the elephant in the room.
  2. D

    Kitplanes--a changed magazine

    Gee wiz - Kitplanes is the only aviation magazine I don't trash.
  3. D

    RV4 exhaust

    Swing over to Vansairforce forums - someone is looking for one there.
  4. D

    Fuel Pressure Issue

    Hey Kyle, It certainly sounds like an electrical problem to me. Please note I have not gone through all the suggestions here and at VAF so I may be duplicating. I have the same EIS4000 on a Carbed O-320. Same aircraft too! I recall the f/p sender uses the 4.8V output from the EIS and requires...
  5. D

    O-320-A3B

    Take a look how it has been stored and with an inspection camera or just eye balling through the opposite sparkplug hole (if it was stored upright then through the lower) look at the upper surface cylinder bores for corrosion. This surface would be the most likely to have had the oil drain...
  6. D

    Single seat regret

    My children were my biggest supporters during the build, it would have been unthinkable to build an aircraft that they could not have shared with me. My son helped me rivet the main spars over a weekend when he was about 14 years old, these are 3/16th rivets and took considerable patience and...
  7. D

    Dimpling on a 90 degree bend?

    You don't know how lucky you are!
  8. D

    Dimpling on a 90 degree bend?

    Bob Avery sells dies with the side already ground off.
  9. D

    Magneto Coil uTesting with Ohmmeter

    The contacts (or points) actually short the condenser (or capacitor) as the magnetic field induces a current into the inductor (the primary winding). When the points open the primary inductor and the capacitor form a parallel RC oscillator, this oscillation in the primary is translated into the...
  10. D

    Magneto Coil uTesting with Ohmmeter

    I would be interested to see the circuit for the magneto. I believe however that the common connection between the primary and the secondary should also be connected to ground - ie the engine block. Loosing this ground would stop the sparks.
  11. D

    Permatex Versus Polysulfide

    Unless the Permatex is a poly-sulphide I wouldn't trust it. Poly-sulphide is a miracle product in terms of its resistance to hydrocarbons and to water. Very few products achieve this, plus the poly-sulphide remains flexible so does not become brittle and crack.
  12. D

    Rotec engines.

    I think it is true to say that none of the Lycoming clone engines have 'performance charts' like the charts that come in the operators manual for each genuine production Lycoming engine. Does this mean that the non genuine Lycoming are less of an engine? I am certain each of these...
  13. D

    Reverse Engineering an Existing Commercial Design

    In my opinion: very unrealistic. See Topaz response... How do you suppose you would identify and replicate the layup, foam type and thickness, cloth types, direction and matrix without having access to the design documentation? It might look simple enough and appear to be easily reproducible...
  14. D

    Anyone made a 1/2 VW with both cyls on one side?

    In this country there was a common range of air compressors found in hire shops for road breaking jack-hammers that used a VW engine with two cylinders on one side running as an engine and the other side cylinder pair used as the air compressor. The compressor side used a special cylinder head...
  15. D

    rotec 2800

    Remember we are a the best part if a day ahead of you. I'm sure they will come back with pricing.
  16. D

    First attempt at solid riveting. Can these be saved?

    Tough decision to remove them or not. I would have (and did) remove rivets like these. You can try but be very careful not to damage the parts. I suspect the assembly is quite thick so makes driving them out almost impossible without drilling close to the shank diameter, again this is very...
  17. D

    First attempt at solid riveting. Can these be saved?

    Before you get a bigger rivet gun, what air pressure did you use? Higher pressure => bigger hit. I'd be using a minimun of 90psi with my 3x gun for this job. The longer rivets are more difficult to set - immobilise the stack of parts by clamping them together. I think you have demonstrated...
  18. D

    Decidied to buy the rivet gun.....

    Yes, riveting is easy - with practice, and since you have the rivet gun why not consider substituting solids. A good friend of mine built a Onex with solids - flush AN426 to boot. It looks good. Visit your local A&P and tell him your story - they will usually give you some scrap Al. and a...
  19. D

    Decidied to buy the rivet gun.....

    Firstly, longer rivets take more energy to set. I think this is because the shank of the rivet must swell to fill the slim void between it and the hole. It is noticeable and you might compensate with higher pressure rather than more hits. More hits will tend to work harden the rivet and make...
  20. D

    Decidied to buy the rivet gun.....

    What size rivets are you planning to set on your main spar? My build (RV-6) I only used a 3x gun, a lightweight hand squeezer and a C frame tool for all the AN3 and AN4 rivets. The mainspars had (have!) AN6 (3/16") rivets that seemed too big for the x3 gun. I used a large rivet gun I got from...
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