|Oct 04, 2001, 05:15 PM|
Finished my ELMH.....here's some photos
I finished building my ELMH and I thought I'd post some photos. Thanks to all for the good suggestions in help choosing which heli to start with.
After it was built I realized I really didn't want to have to pull the canopy off to change batteries, so today I sat down and created a large hole under the canopy (see pic) that enables me to swap batteries without messing with the canopy.
Since I used micro servos and a light AA size nimh battery pack it came out pretty light, although I haven't weighed it yet.
I used the "wire wrapped around a straw" antenna setup, and considering how close in I'll be flying, it should be ok.
This is my first heli, hence the training gear.
After working a few hours on my Aerochopper simulator I was able to make some short hops and do some low altitude hovering without sustaining any damage.
|Oct 04, 2001, 05:49 PM|
San Jose, CA
Joined Mar 2000
Nice heli you got there. I have some suggestions though:
1. That tangle of wire on the right side of the crutch might cause you some trouble. Shorten them if you can (save you a few grams here and there)
2. Remove the case of the gyro if you can and cover it with heat shrink tubing. Save you a few grams also.
3. Change the Deans Pin into Deans Ultra Plug.
4. Don't wrap the antena (or let it near) around the tailboom.
|Oct 04, 2001, 07:37 PM|
Tony, Thanks for the suggestions. The on the right side of the crutch is held on by that Velcro strap and seems to be out of the way of moving parts, but I'll keep an eye on it.
As far as the antenna goes, the "straw" seems to be working fine for close in flying. I can see where the metal tail boom would block transmission. I guess I would be better off using a shortened antenna and keep it away from the boom, or of course, just get a whip antenna.
I haven't measured the amp draw yet with the brushless, but the 3-pin Deans have been working fine for my Speed 400/480 fixed wing models. No problem at all. That's amazing considered at 10 to 12 amps they're being overworked, since they're rated at 5 amps I believe. I have a load of planes, and a load of batteries with these connectors on them so I can't change. What I might eventually do is have batteries dedicated for use on the ELMH, then it wouldn't be a problem to switch to a heavy duty connector.
I really need to do more flying to see if it really needs to be lightened up. I know there are a few places I can shave off some weight. It'll be nice to shed the training gear....hopefully soon.
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