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Helicopters
Building the JR Vibe NEX E8 - Slow Build
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<blockquote data-quote="stokke" data-source="post: 24516" data-attributes="member: 639"><p>Like Gaba suggested, I checked the kit for Thread Locker - no luck <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f641.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":(" title="Frown :(" data-smilie="3"data-shortname=":(" /></p><p></p><p>I've ordered a bunch of stuff now, blue thread lock included.</p><p>I have decided to go with Loctite 641 as an answer for JR's suggested "green TL".</p><p></p><p>The 641 does exactly what JR says the green TL should; </p><p>Retains bearings on cylindrical metal shafts/objects/etc.</p><p>Medium viscosity.</p><p>High strength, but made in such a fashion that it's not permanent for life <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f609.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=";)" title="Wink ;)" data-smilie="2"data-shortname=";)" /></p><p>High temp tolerance (but not so high I'm not able to use heat for loosening).</p><p></p><p>I found the 641 on the web, but I think I'm gonna try find it in town.</p><p>I also found that Silicone grease (not spray), can be purchased on a hardware store in town.</p><p></p><p>After doing some reading about WHY one would use silicone grease on the gears; I found it's because it reduces friction and wear, and lengthens the life of the gears.</p><p></p><p>_____</p><p></p><p>Motor.</p><p>This has been a very hard decision, but I think I have made up my mind. I will go for the Turnigy SK3 Competition 560KV which I posted earlier. I had to choose between 480KV and 560KV. I've found that if I were to use the 480KV, I would've end up with a maximum head speed of ~2100. The JR manual suggests 2200~2400 RPM HS under flight/3D, and 1800~1900 for hovering. If am to use 35C batteries in combination with the Castle ESC Governor, I can get a minimum HS of ~2100, and a maximum HS of CRAZY <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f600.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":D" title="Big Grin :D" data-smilie="8"data-shortname=":D" /></p><p></p><p>Summing it up.</p><p>The 480KV will allow nice hovering, but will have to work overtime to maintain HS:2100 RPM. And motors working overtime combined with governor functions is NOT recommended.</p><p></p><p>The 560KV will allow the recommended HS:2200 RPM, but will not permit a nice hover. If I were to slow down the motor (to reach HS:1900 RPM), I would have to go below the GOV's recommended limits - which of course is NOT recommended.</p><p></p><p>This comes down to some sort of a compromise; I will sacrifice "steady&easy" to get "agile&crazy". I will of course try to tame down the 560KV as much as the tech permits, so I can learn to fly the thing. This combined with some friendly set up pitch, I believe will be manageable enough for me to fly on (but probably scary as crap <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f600.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":D" title="Big Grin :D" data-smilie="8"data-shortname=":D" /> ).</p><p></p><p>There will also be the option to put in some 65C packs when I REALLY want this thing to fly, this would give a minimum HS:2300 RPM. LOL</p><p></p><p>____</p><p></p><p>I still have some "feelers" on some other forums, and if I don't get any warnings about this set-up, I will go ahead and order the motor over the weekend.</p></blockquote><p></p>
[QUOTE="stokke, post: 24516, member: 639"] Like Gaba suggested, I checked the kit for Thread Locker - no luck :( I've ordered a bunch of stuff now, blue thread lock included. I have decided to go with Loctite 641 as an answer for JR's suggested "green TL". The 641 does exactly what JR says the green TL should; Retains bearings on cylindrical metal shafts/objects/etc. Medium viscosity. High strength, but made in such a fashion that it's not permanent for life ;) High temp tolerance (but not so high I'm not able to use heat for loosening). I found the 641 on the web, but I think I'm gonna try find it in town. I also found that Silicone grease (not spray), can be purchased on a hardware store in town. After doing some reading about WHY one would use silicone grease on the gears; I found it's because it reduces friction and wear, and lengthens the life of the gears. _____ Motor. This has been a very hard decision, but I think I have made up my mind. I will go for the Turnigy SK3 Competition 560KV which I posted earlier. I had to choose between 480KV and 560KV. I've found that if I were to use the 480KV, I would've end up with a maximum head speed of ~2100. The JR manual suggests 2200~2400 RPM HS under flight/3D, and 1800~1900 for hovering. If am to use 35C batteries in combination with the Castle ESC Governor, I can get a minimum HS of ~2100, and a maximum HS of CRAZY :D Summing it up. The 480KV will allow nice hovering, but will have to work overtime to maintain HS:2100 RPM. And motors working overtime combined with governor functions is NOT recommended. The 560KV will allow the recommended HS:2200 RPM, but will not permit a nice hover. If I were to slow down the motor (to reach HS:1900 RPM), I would have to go below the GOV's recommended limits - which of course is NOT recommended. This comes down to some sort of a compromise; I will sacrifice "steady&easy" to get "agile&crazy". I will of course try to tame down the 560KV as much as the tech permits, so I can learn to fly the thing. This combined with some friendly set up pitch, I believe will be manageable enough for me to fly on (but probably scary as crap :D ). There will also be the option to put in some 65C packs when I REALLY want this thing to fly, this would give a minimum HS:2300 RPM. LOL ____ I still have some "feelers" on some other forums, and if I don't get any warnings about this set-up, I will go ahead and order the motor over the weekend. [/QUOTE]
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