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RV Jet videos, Comments,Tips, Flight data,FPV gear build, RV NIGHTJET updates often!
The build went smooth the only deviation from design was to run the battery wires up and around rather then in the tunnel. I preferred to avoid the CF tube and stay further from the OSD location. But thats personal pref. and I was suggested to hot glue wires down in channel and still be able to pull them out if necessary.I changed and ran through channel provided.
Nice digital metal gear servos included! I assume they have been tested for RF noise. Warning..Do not drive PnT servos past movement range of PnT or they will strip. Watch end range especially with a HT Check prop eachflight. I put 8oz of weight in the nose to balance at fin/wing point using 1 4400Mah 3s. Hot glued nuts and bolts. first weight test was a roll of quarters. Balances fine with 2-4400 and tracker but...... I realized that my 5000 Mah batts are 2.5oz heavier, total 5oz and won't balance at current placement. I think the only answer is to put OSD in front compartment and batts over CG. Ideally that should be the design, If batts are on cg then their wieght doesn't matter. Glued extensions, Taping wing together for now. East to launch tried both Power off throw and pull.Edit: staying with the pull! Fun to fly! Loops tight but rolls very slow. I'll try more Aileron throw. Right now it's light 4lb. Climbs vertical easily. Haven't tested stalls yet. Tracks well. As any wing and glider a small cg change can make a huge difference recommended CG seems right on! As a fpv platform I'm a little concerned as I have to stay on the sticks more than my SW but that might just be me. Got to get more flight time before I judge that. RVOSD and FPV gear added. It would be nice if ESC had a arming switch but one can be made for about $2 see photos below. Power consumption results.Conservative throttle mgmt. Usually glide from altitude to home. 2 Zippy 4400Mah 26 minute flight 2600Mah consumed 9 mi traveled 11.5V 17 minutes 1900Mah 6 11.86 38 4300Mah 15 11.24V 36 3600Mah 16 11.24V 62 5734Mah 23 11.00V Grabbed a few thermals! Need to make a prop stop to keep blades from over folding, Right now it doesn't fold in air because brake isn't enabled but if it over folded it could destroy the plane if you tried to throttle up without knowing. ESC Instructions= http://www.rangevideo.com/downloads/...ing_manual.pdf Prop stop- http://www.fpvmanuals.com/prop-stop/ First flights
Harrier landing
Front cam and rear cam
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RVjet ESC
Tip: the RVESC didn't work till I trimmed throttle down or raised throttle low end point.
I thought Motor or esc was bad at first cause other ESC/Motor worked. Need ESC programing instructions to enable brake ![]() See post #1 Be sure to calibrate throttle range or you might think it's defective. Manual http://www.rangevideo.com/downloads/...ing_manual.pdf |
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RV JET Take off and Landing
Hold leading edge of wing, fingers on top, I have extensions so I grab at the outward curve. With arm straight out to side, nose pointed vertical throttle up with other hand till jet has a slight positive push, around 3/4 throttle. Pull forward and let go! Point about a 35deg. angle don't try to whip or pull to hard or to steep. It will fly out and dip a little so be ready to pull up a bit. The hardest part is getting you hand back on th Tx properly to grab the elev. Practice the motion a few times to get use to getting your hand correct. and Don't over compensate!
You can put a little turn when you pull it but don't spin or run, not necessary. For landings I think I like full elevator nose up so far ![]()
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United States, FL, Palm Beach
Joined Jan 2011
841 Posts
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