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-   -   Bi-plane (https://www.rcuniverse.com/forum/beginners-85/5589334-bi-plane.html)

brooke 03-20-2007 08:40 AM

Bi-plane
 
I am looking to get another bi-plane, but do not know which one will suit me the best. I want something that will land easy, if you can really say that. I want one that will take a 91, or just smaller, four stroke.

I did have a Tiger Moth 60, but I just did not like it for some reason and I think it really was because I had it underpowered. I had a O.S.61 fx two stroke on it. I could fly the Tiger Moth just fine and landing was very easy for me, but it just did not do much else and I really felt it would fly the same as my cub does.

I would like something like my 4* 60, in the way they fly, if their are any bi-planes that can match them. I am not wanting full 3-d or anything, but something easy and fun to fly.

koden 03-20-2007 08:52 AM

RE: Bi-plane
 
I went from a Nexstar to a 4*40 to a Sig Hog Bipe. It runs very well on a 91 four stroke, and I found it to fly much better than my 4*. I'd highly recommend it.

RCKen 03-20-2007 09:52 AM

RE: Bi-plane
 
IMHO the best bipe out there for general all around flying, and for being an easy bipe to start out on, is the Sig Hog Bipe. I've had 3 Sig Pigs and I love them. They are a lot more forgiving than most other bipes, but still fly like a bipe. They look great. And they are an easy building plane. This plane seems like it was made for a 91 4-stroke engine. You won't be worry here for getting one.

Hope this helps

Ken

brooke 03-20-2007 10:41 AM

RE: Bi-plane
 
Well I guess I will be going with a Sig Hog Bipe. And if it is as much fun to fly as a 4*, or more, it will be a great plane. Thanks guys.

ag4ever 03-20-2007 10:46 AM

RE: Bi-plane
 
I hope it is, as I am nearing completion on mine. From what I have seen, most people are throwing a saito 100 in there. An OS 91 should pull it along very nicely though.

RCKen 03-20-2007 11:52 AM

RE: Bi-plane
 
I have the OS 91 4-stroke in mine and it's plenty of engine for it. The Saito 100 should be a nice fit as well.

Ken

RCKen 03-20-2007 11:56 AM

RE: Bi-plane
 
1 Attachment(s)
The picture that I use for my avatar is my current Hog Bipe. Here's a couple of pics of it.

Ken

bruce88123 03-20-2007 12:07 PM

RE: Bi-plane
 
Here's a nice build thread for the Sig Hog Bipe
http://www.rcuniverse.com/forum/m_25..._1/key_/tm.htm

fadi 03-20-2007 12:10 PM

RE: Bi-plane
 
Believe it or not, my GP Super Skybolt ARF can get real slow on landing, and at the same time is very aerobatic and takes a .91 4-strokes very easily.

RCKen 03-20-2007 12:14 PM

RE: Bi-plane
 


ORIGINAL: fadi81

Believe it or not, my GP Super Skybolt ARF can get real slow on landing, and at the same time is very aerobatic and takes a .91 4-strokes very easily.
That's true. And now that they have the ARF version it's a real option. Up until they ARF came out the the Skybolt wasn't an option for beginner because it's not the easiest kit to build and shouldn't be something a first time builder should tackle.

Ken

Stevel182 03-20-2007 12:43 PM

RE: Bi-plane
 
Hey Ken,

I want one of those "if I wanted to Hover..." decals. Where'd you get it?

Stevel

RCKen 03-20-2007 01:06 PM

RE: Bi-plane
 
I've got to cut some for a couple of other guys now too. PM me your address.

Ken

brooke 03-20-2007 01:22 PM

RE: Bi-plane
 
Well maybe I will go with the super skybolt since it is in an arf. I have not done a kit yet, but I am trying to find a good to do. I was really thinking of doing the slow poke sport as my first kit, but if the sig hog bipe is a good first kit I will just do it first. What do you guys think?

The reason I am thinking an arf right now is because I work two jobs, and the second job of mine is just getting ready to get going. I own my own lawn care service and it is about time to get started. (I know boo who, but it pays for my rc stuff.) I do have one good reply about the skybolt, what do the rest of you think, go for the skybolt arf now and build a hog bipe also? Or just go with the hog bipe even if it will be my first kit?

Insanemoondoggie 03-20-2007 03:46 PM

RE: Bi-plane
 
I`m a builder by nature, but I order this thru Tower $274.98 [link=http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LC1040&P=1]Skybolt[/link] I used a coupon and I cannot build it this cheap. I`m in the middle of 3 builds, one is a GP Ultimate 40 and it is taking me forever to get it done. I`m o.k. with one ARF in my fleet.
As far as building a bipe, the Sig kits are the easiest to build.

brooke 03-20-2007 04:06 PM

RE: Bi-plane
 
Well, I am stuck in the middle. I really want to build my own from a kit, but I know it will take me some time to do. The building part does not bother me, but the covering part is where I think I am going to have some problems. At least to make it look as good as evryones else.

Anyway, I am going to build one and then pray I am able to get it in the air and return it to the ground in one piece. Thats what it's all about isn't it.

koden 03-20-2007 06:13 PM

RE: Bi-plane
 
Every time I fly I'm praying it gets up and down in one piece. And the maiden flight on something you worked on for two or three months is the worst.. :D

My maiden on the Hog Bipe was easy as pie though. It flew very easily and predictably.

fadi 03-21-2007 01:30 AM

RE: Bi-plane
 


ORIGINAL: brooke

Well maybe I will go with the super skybolt since it is in an arf. I have not done a kit yet, but I am trying to find a good to do. I was really thinking of doing the slow poke sport as my first kit, but if the sig hog bipe is a good first kit I will just do it first. What do you guys think?

The reason I am thinking an arf right now is because I work two jobs, and the second job of mine is just getting ready to get going. I own my own lawn care service and it is about time to get started. (I know boo who, but it pays for my rc stuff.) I do have one good reply about the skybolt, what do the rest of you think, go for the skybolt arf now and build a hog bipe also? Or just go with the hog bipe even if it will be my first kit?
TRUST ME!!!!!!!!!!!!!!!!!!!!!!! The GP Super Skybolt is AMAZING!!
install the OS .91 surpass on it with a topflight 15x6 and you will see...

venom290 03-21-2007 08:30 AM

RE: Bi-plane
 
Jeeze Ken,you don't like heli's??? Here I am stayin' away from the pick on ken threads and now I see this!!!!!!!!!!!:D Thanks for all your previous advice and I was wondering could you help me set up my new elec. heli??
venom

mcdanman2003 03-21-2007 10:39 AM

RE: Bi-plane
 
Nice Bipe. I especially like"If I wanted to hover, I'd buy a helicopter!

koden 03-21-2007 11:58 AM

RE: Bi-plane
 
1 Attachment(s)
brooke, If you go with a Hog Bipe (and you should), may I suggest building a balsa cowl for it. I think it cleans up the looks from the "stock" front end.

Here's mine with a 91 OS 4-stroke. I need to move the CG back a bit this season to make it more spirited. As it is it will do a constant knife-edge no problem, but I want to be able to get it to flat spin. The 91 four stroke isn't unlimited but it's a great match for the plane. It'll "just" hover at about 95% throttle. It's not meant to be a hovering plane, but that gives you an idea of the power.

RCKen 03-21-2007 02:59 PM

RE: Bi-plane
 


ORIGINAL: venom290

Jeeze Ken,you don't like heli's??
Actually, I have nothing against heli's!! That graphic was just some kidding around between myself and one of the heli guys at our field. We are always ribbing each other about it planes vs. heli's. But in the end we really don't mean it!!! well, mostly!! :D

Ken

AIRDEL 03-21-2007 03:32 PM

RE: Bi-plane
 
1 Attachment(s)
As far as covering goes, I was just as nervous. I didn't do anything fancy with mine but I wouldn't be afraid to try more on my next plane.

This was a scratch built from plans. I'm just learning to fly and not sure when I will maiden it.

Ken, that is a awsome looking bipe. I would love to build one but the trueness of the wings worries me enough not to attempt it yet. Maybe as a third build. Those decals are awsome, please let me know where you got them.

Del

RCKen 03-21-2007 04:11 PM

RE: Bi-plane
 


ORIGINAL: Delbert Pierce

Those decals are awsome, please let me know where you got them.

Del
I do them myself. PM me on this and I'll give you more info

Ken

chashint 03-21-2007 04:48 PM

RE: Bi-plane
 
Ken, why is there fuel tube wrapped around the muffler on your Hog Bipe ?
Or is the picture just misleading ?

RCKen 03-21-2007 06:46 PM

RE: Bi-plane
 


ORIGINAL: chashint

Ken, why is there fuel tube wrapped around the muffler on your Hog Bipe ?
Or is the picture just misleading ?
Nope, that picture isn't misleading. I was having a problem with this engine in this position, the muffler kept coming loose in flight. I tried evertyhing I could think of to get it tight enough, but it always came loose. So I came up with this. I use some steel wire rope to wrap around the muffler to hold it in place. The wire rope is inside of fuel tubing to prevent metal to metal contact. This has worked great. Tons of flights and it never comes loose any more.

Ken

somegeek 03-21-2007 11:04 PM

RE: Bi-plane
 


ORIGINAL: RCKen

IMHO the best bipe out there for general all around flying, and for being an easy bipe to start out on, is the Sig Hog Bipe. I've had 3 Sig Pigs and I love them. They are a lot more forgiving than most other bipes, but still fly like a bipe.
How do bi-plane flight characteristics differ from single low wing plane? I have a Sig Hog on my wish list for my next build. :D

somegeek

RCKen 03-22-2007 06:37 AM

RE: Bi-plane
 
Somegeek,
First off I just love the way a bipe looks in the air. Something about two wings just looks cool. Also, when you do a shallow dive without any power you can hear the wind whistling through those wings!!!!!!! Way cool.

But flying characteristics.... They vary from bipe to bipe, just like single wing planes do. But a couple of the biggest differences between bipes and single wing planes are landing and slow flying. Most everybody when learning to fly learns to line up on the runway, chop the throttle, and let the plane settle to the runway. If you do that with a bipe you're more than likely going to be picking up a broken pieces of your plane because it's going to stall. With a bipe you need to learn to fly the plane down to the ground. As I just mentioned, stalling. Bipes do not stall gracefully. They don't stall, but rather just quit flying. And they usually quit flying in an ugly way. You have to learn how to recognize when you bipe is going to quit flying, and learn how to recover a stalled bipe.

Ken

ag4ever 03-22-2007 08:38 AM

RE: Bi-plane
 


ORIGINAL: RCKen


Most everybody when learning to fly learns to line up on the runway, chop the throttle, and let the plane settle to the runway.

Ken
This is not how my instructor taught me to land. He had me line up with the runway, then cut throttly and "dive" the plane towards chest level. Once the plane is at chest level right in front of you, you keep going down until your are inces above the runway, and then start to flair a bit. keep adding up elevator until it stalls on the gear. A good landing is one where it stalls at the same time the gear is touching the runway.

He never wanted me to float the plane in for a landing.

His favorite thing to say, "keep the nose down and keep it coming at you."

somegeek 03-22-2007 09:23 AM

RE: Bi-plane
 


ORIGINAL: RCKen

Somegeek,
First off I just love the way a bipe looks in the air. Something about two wings just looks cool. Also, when you do a shallow dive without any power you can hear the wind whistling through those wings!!!!!!! Way cool.

But flying characteristics.... They vary from bipe to bipe, just like single wing planes do. But a couple of the biggest differences between bipes and single wing planes are landing and slow flying. Most everybody when learning to fly learns to line up on the runway, chop the throttle, and let the plane settle to the runway. If you do that with a bipe you're more than likely going to be picking up a broken pieces of your plane because it's going to stall. With a bipe you need to learn to fly the plane down to the ground. As I just mentioned, stalling. Bipes do not stall gracefully. They don't stall, but rather just quit flying. And they usually quit flying in an ugly way. You have to learn how to recognize when you bipe is going to quit flying, and learn how to recover a stalled bipe.

Ken
So comparing to an LT-40, the Hog stalls at a little higher speed and does so quickly. Good to know. Man - I wanna build a Hog, but I still need to maiden my SSE. Hard to get my wife to buy off on my need for a new plane when that's sitting. Flying season ended short for me last year when I messed up my knee. This year I'll definitely get more flying in. K - I'll quit hijacking this thread. :D

Thanks, Ken.

somegeek

RCKen 03-22-2007 10:53 AM

RE: Bi-plane
 
Somegeek,
Tell you need to start on it early because has 2 wings and will take extra time to build!!!!!!

Ken

somegeek 03-22-2007 11:20 AM

RE: Bi-plane
 


ORIGINAL: RCKen

Somegeek,
Tell you need to start on it early because has 2 wings and will take extra time to build!!!!!!

Ken
LOL!

"Baby - it's got two wings. It's like building two planes... I should really get started on this."

somegeek

RCKen 03-22-2007 11:25 AM

RE: Bi-plane
 
That's not too far from the truth. I tell everybody that the good thing about flying a bipe is that it's got two wings. The bad thing about building a bipe is that it's got two wings!!! [X(] [>:] :D:D

Ken

opjose 03-22-2007 12:22 PM

RE: Bi-plane
 
But the good thing about flying a Bipe is that it has two wings... :D

Otherwise it's just not right!

Lawdawg131 03-22-2007 02:02 PM

RE: Bi-plane
 
Anyone have any experince with the Christian Eagle...I have always thought that was a beautiful plane.

RCKen 03-22-2007 02:29 PM

RE: Bi-plane
 


ORIGINAL: Lawdawg131

Anyone have any experince with the Christian Eagle...I have always thought that was a beautiful plane.
It is a beautiful bird, but it's definitely not a first bipe plane. The Christian Eagle is basically a Pitts Special with a fancy paint job. It's a high performance airplane designed for neck breaking aerobatics. I know that Bruce has flown a full scale Pitts so hopefully he'll add his comments here on this. But if you're looking to get into a bipe this isn't the one to start on.

Ken

MikeL 03-22-2007 03:22 PM

RE: Bi-plane
 
It's Christen, not Christian. :)

RCKen 03-22-2007 03:24 PM

RE: Bi-plane
 


ORIGINAL: MikeL

It's Christen, not Christian. :)
Mike,
You are absolutely correct, and my fingers made the same mistake too!!! :eek:

Ken

Lawdawg131 03-22-2007 06:26 PM

RE: Bi-plane
 
WOW I have been calling the wrong thing for years ha ha...it is beautiful.

ChuckW 03-22-2007 10:18 PM

RE: Bi-plane
 
1 Attachment(s)
I just got my first biplane. It's a World Models Ultimate .40 ARF. I usually prefer to build and I really didn't need another plane but I had some discounts I needed to use at the LHS and I came home with it. I've heard mixed opinions of this plane. Some say it is a handful and others say it's easy to fly. I'll find out for myself on Sunday. The .46-AX has a couple tanks of fuel through it and it's ready to go. I figure that if I can fly my Cap-232 and my old Sukhoi, I'll hopefully be OK with this one.

opjose 03-23-2007 11:26 AM

RE: Bi-plane
 
RE: WM 40S

Most of the people who have posted here that it's a "handful" to fly seem to be using the wrong prop.

In other words the plane is brought in and flown too slowly, and tends to stall out on them.

Use an 11x6 on your .46 and you'll have no problems, although it will seem to approach a bit faster than what you may be used to.

That's ok, just keep it under a bit of power on landing.

Keep your throws to the suggested initially until you get used to how it handles.

For an Ultimate of such small size it flies very well and is fairly docile if not flown too slowly....

Stall it out on approach however and ....






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