ORIGINAL: kruzin55
Because I'm impatient, I had him send me a new DL50. This time I'm using dual batteries on a Smart-Fly PowerExpander with voltage regulator to a JR R921 receiver with four antennas. Talk about redundency!
Unfortunately, I just now found that my new Vess 22B prop won't fit because the the stock prop bolts are not long enough to fit through the thicker Vess prop.
Two questions. Does anyone know what size these four prop bolts are? They appear to be metric because none of my standard cap head bolts match. Also, I plan on running the engine tomorrow, but I have a gallon of 32:1 gas already mixed with Ryobi 4-stroke oil that I use on my Quadra 52 in my Giant Aeromaster. That gas/oil mixture seems to work fine on the Quadra. I do have some Lawnboy smokeless, but didn't want to (nor know where to) dispose of the gas I have already mixed. Do you think it will be a problem to use the Ryobi for the first gallon of break-in on the DL50.
Keep one thing in mind: the more parts and electronics, the higher the chance of failure. The Smart-Fly is overkill for a < 33% scale plane. The installation of the R921 and its remote is much more critical. You're best of getting a 24" extension for the remote Rx and install them both away from metal parts, carbon and batteries, in locations where they can be 'seen' by the Tx in any position.
http://electrodynam.com/rc/ultraswitch/index.shtml Ultraswitch II HD is rated 10A which is good for up to 33%.
As for the Vess 22B you want 5mm x .8 x 50mm. These are hard to get. I got mine from boltdepot.com "Metric socket head screws, Steel grade 12.9, 5mm x .8 x 50mm"
And definitely use the Lawnboy Ashless 32:1 3 gallons. Do the environment a favor plz and dump the 4-stroke mixture in your car or get a cheapo gas can at your local gas station.