Engine thrust angle etc for Hobbico Avistar
12-02-2002 | 06:19 PM
#1
Thread Starter
Senior Member
Joined: Nov 2002
Posts: 175
Likes: 0
Received 0 Likes
on
0 Posts
From: abcde,
Engine thrust angle etc for Hobbico Avistar
I am putting together a Hobbico Avistar for club use, and I am wondering about some questions, as none of these are addressed in the ARF's instructions
1. What right thrust angle I should install the engine? Is the right
thrust angle already built into the firewall? .
2. The ARF comes with two metal bars to bolt the engine down.
How reliable is the setup? Does engine shift in flight. Should I
just chuck these and drill the engine mount and bolt the
engine directly to the mount?
3. Where should the CG be on this plane?
4. The engine I am putting in is a new/old stock Royal 40 BB ABC,
which is suppose to be a clone of the OS 40 BB ABC
engine. Does anyone know the power output of this engine?
1. What right thrust angle I should install the engine? Is the right
thrust angle already built into the firewall? .
2. The ARF comes with two metal bars to bolt the engine down.
How reliable is the setup? Does engine shift in flight. Should I
just chuck these and drill the engine mount and bolt the
engine directly to the mount?
3. Where should the CG be on this plane?
4. The engine I am putting in is a new/old stock Royal 40 BB ABC,
which is suppose to be a clone of the OS 40 BB ABC
engine. Does anyone know the power output of this engine?
12-02-2002 | 06:42 PM
#2
Senior Member
Joined: May 2002
Posts: 151
Likes: 0
Received 0 Likes
on
0 Posts
From: Houston, TX
Engine thrust angle etc for Hobbico Avistar
Hi!
1. We left ours just as it came ... no thrust angles added (I think the firewall doesn't have it built in)
2. Several Hobbico planes come with that setup. I don't know of anybody that has ever had problems with it... just make sure you tighten well all the screws. It's OK for the metal-bars to "bend" a little ...
3. We used an OS 46 FX-H in ours and the plane came out pretty nose-heavy ... We didn't really care though, since the plane was a trainer!
...As you can see, we didn't do much except for putting it all together ... the plane flew pretty well and if I had to build another one, I would still avoid things like balancing (as long as the plane is a little nose-heavy) and right-thrust!
1. We left ours just as it came ... no thrust angles added (I think the firewall doesn't have it built in)
2. Several Hobbico planes come with that setup. I don't know of anybody that has ever had problems with it... just make sure you tighten well all the screws. It's OK for the metal-bars to "bend" a little ...
3. We used an OS 46 FX-H in ours and the plane came out pretty nose-heavy ... We didn't really care though, since the plane was a trainer!
...As you can see, we didn't do much except for putting it all together ... the plane flew pretty well and if I had to build another one, I would still avoid things like balancing (as long as the plane is a little nose-heavy) and right-thrust!
12-02-2002 | 10:30 PM
#3
Member
My Feedback: (2)
Joined: Feb 2002
Posts: 47
Likes: 0
Received 0 Likes
on
0 Posts
From: Fremont, CA
Clamp Motor Mount
I have dealt with both the superstar and avistar's clamp motor mount. It's fine, but I recommend you swap out the phillips head screws for some hex head screws. I stripped the heads on the phillips in no time. One nice thing about this mount is the ability to adjust the CG somewhat by moving the engine forward or backwards.
B.t.w, I cannot say enough good things about the Avistar. I put about 35 flights on my over the weekend, and never bored of it. I liked it much better than the superstar that preceeded it!
B.t.w, I cannot say enough good things about the Avistar. I put about 35 flights on my over the weekend, and never bored of it. I liked it much better than the superstar that preceeded it!
