yikes, a pressure test for sure, that does look likes its been pitted, either from sitting, or from the backside in the water jacket. let us know the results!

https://i.ibb.co/mrxpmjC2/20260910-140654.jpg https://i.ibb.co/7dZnMW8T/20260910-140642.jpg https://i.ibb.co/Y7SSK348/20260910-140638.jpg https://i.ibb.co/SXMqFV57/20260910-140634....

These photos are of the bores of the cylinders, should we be concerned I plan to pressurise the water jacket (15psi) and spray soapy water over these marks etc, to see if any are ...

A formal flier for MCG has been created here and added to the forum calendar. Click for details.

TESTING THE 720-12R WESTACH ROTOR SHAFT HALL EFFECT SENDER UNIT. This sender can be simply yet accurately tested either in situ in the helicopter or as a “bench test”.  If in ...

Amen Homer.      In particular, I wonder how many people fall victim to purchasing partially complete kits and assuming that the work previously done was done properly?  I fall...

Mine is in the same place.  Works great.

https://i.ibb.co/WvLJhg5x/20260910-115530.jpg https://i.ibb.co/mrCm3yK1/20260910-115547.jpg https://i.ibb.co/fzLqy5cV/20260910-115556.jpg

This is what I do, quick release on door hinge hardware https://i.ibb.co/rGkWG5HC/20260910-115518.jpg https://i.ibb.co/pvvT0FY9/20251027-081221.jpg https://i.ibb.co/tpr0BzfH/202510...

https://i.ibb.co/XrsjYXGn/20260910-114717.jpg https://i.ibb.co/FLzWWJ6P/20260910-114723.jpg https://i.ibb.co/Jj0RvDp7/20260910-114727.jpg https://i.ibb.co/WNqd8jPY/20260910-114824....

As some of you know, I bought what was left of the wreck from Jim’s last year. Wentworth stripped a lot of stuff off it before I got. While taking the controls off the frame , I ...

Thanks Homer.

It’s just a U shaped block that keeps the thing in the disengaged position while you’re installing it. It’s 1 to 1 1/8” long

Jon, the number on the case is , 22060503. Will send that out USPO, unless you think I should use something else. Hard for me to ship UPS as I am several miles from one of their of...

Thanks Orv!!! The document on this site that appears to be from Rotorway has the opposite information.

Collective up/down pressure is controlled by bending pockets 2-7 equally on both blades.  In Flight blade tracking is controlled by panels 8-16

I’m working on track and balancing and two manuals have two completely different ways of doing it. The documentation on this site says panels 2-7 from the tip are for controlling...

If anyone hasn't been to Jim's fly-in yet, I'd highly recommend it! Some of the most fun you can have in a helicopter.

Our first event was  2019! getting to be a habit! I hear a lot are coming but only 8 have registered.  Planning really needs as close an approx as possible! https://hardy-field.c...

Thanks Geno.  This will help. Sam