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Q-500 Racing Discuss AMA 428, AMA 424, and any other variants of Quickie 500 racing

Losing alt. in turns

Old 07-01-2006, 03:45 PM
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BUDMAN27
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Default Losing alt. in turns

I have a LR-1 with a Super Tigar 40, And it keeps losing alt. in the turns. Dinnis C. use to help me with this prob. on my Q-500s but I haven,t seen or herd from him lately ,so I would appreciate some help.
Old 07-01-2006, 05:49 PM
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Super Splatter
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Default RE: Losing alt. in turns

So I assume it wants to roll into a sharp left turn? you need to add tip weight tho RH outer wing panel or adujust the tail feather travel. Less on the RH side.

Is the wing straight? try adding a little right rudder trim. Or just don't turn that hard. It might have that good a trim to begin with
Old 07-01-2006, 05:53 PM
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Default RE: Losing alt. in turns

Try differntial.
Old 07-01-2006, 06:44 PM
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Default RE: Losing alt. in turns

I,l try to add weight to the right wing first (per Super Splatter) If that don,t work I,l give your differential a try Reno. I rely thank you for your help.
Old 07-01-2006, 08:15 PM
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Default RE: Losing alt. in turns

Budman,

If you try the differential, only adjust the downward turning aileron. Leave the upward moving aileron alone. Try 1/2 mm increments at a time. You will start seeing your plane turning much straighter. Don't go too far because you will see the plane starting to lift out of the turns.

Hope that helps.


Ps. you are going to take movement out of the downward aileron.
Old 07-02-2006, 11:38 AM
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Default RE: Losing alt. in turns


ORIGINAL: ***Reno***

Try differntial.
Differential can help make the roll going into a turn more axial but won't help at all during the turn. Ailerons are neutral there! Differential can help if the airplane is diving or climbing as you roll into the turn. Like Splatter said, maybe you are just turning too hard? If the turn radius is good, the airplane isn't rolling during the turn and is just dropping its nose some, try some right rudder trim .. a little goes a long way here. CG hasn't been mentioned yet. A nose heavy airplane will tend to drop its nose in a turn, tail heavy will want to climb and be extremely sensitive to elevator inputs. Try moving the CG back a bit at a time. Lateral wing balance can help also like Splatter suggested. If the plane tends to roll out of a turn, add weight to the left wing panel. It it tends to roll into a turn (tuck and make your you know what pucker) add weight to the right wing panel. Just a few suggestions.

What LR-1 are you flying Budman?

Roger S.
Old 07-02-2006, 12:44 PM
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Default RE: Losing alt. in turns

Truckracer. I am flying the HairWild LR-1. You are wright I need to move some weight to the aft of the airplane. You see the H.W. LR-1 is made for a .30 size engine. But being the power hungry racer I am I went with the S.T. .40 with a Nelson pipe. She is fast in level flight ,but as soon as you put her on her side she wants to dive in to the ground. I did have 1 oz. of weight in the left wing to balance her lat. ,but after what SuperSplater told me. I took it out. have not had good weather down here to test it yet.
Old 07-02-2006, 07:30 PM
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Default RE: Losing alt. in turns

That Wild Hare LR-1 is a small airplane very similar in size to an old 15 sized QM. It has a little less than 300 sq. in of wing area! I suspect weight and wing area are your main problems. Do anything you can to put that thing on a diet and move things around rather than adding any additional weight if the CG needs to be moved. If you could find a good Nelson 15 QM motor, I bet you would be happier with that in the nose than the 40 now in there and I bet you would go just as fast or faster.

Good luck and have fun!

Roger S.
Old 07-02-2006, 07:42 PM
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Default RE: Losing alt. in turns

Believe it or not Roger there are guys running a Jett 50 in these things... Talk about a handful...
Old 07-02-2006, 08:39 PM
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Default RE: Losing alt. in turns

Well if they can keep the overall weight down I guess that would be OK. But with that small wing I would think their turning ability would be limited.

Roger S.
Old 07-02-2006, 09:46 PM
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Default RE: Losing alt. in turns

I rely didn,t put this bird together to race. Just wanted to have a good time with something different. If I can get the CG wright I believe it will turn good. If I can,t then I,l be in the market for a 300 dollar Jett .30 or equivalent.
Old 07-29-2006, 03:50 AM
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Default RE: Losing alt. in turns

Well I finely got a chance to fly her again. She is much better in the turns now. What I did to solve this prob. was to move the battery as far back as I could. and to loose the one ounce of lead in the left wing. I don,t know if this has ever happen to anyone ells but just be for she was going to set down on the runway a gust of wind hit her on her side and caused her to cart wheel. Boy I,m begin to think this plane is curs. Oh well she is back to gether now and on Sunday I,l give her another go.
Old 08-09-2006, 02:32 PM
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Default RE: Losing alt. in turns

Hey Buddy, try flying a right hand pattern and see if it climbs in the turns.


Just kidding.
DD
Old 08-10-2006, 02:57 AM
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Default RE: Losing alt. in turns

glowpug50 Are you someone I know? Did you race with us back in the 4-Star-40 days ?
Old 08-10-2006, 08:30 AM
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Default RE: Losing alt. in turns

Hey Buddy, your good.
Tis me
Dick D

How are you?
Old 08-10-2006, 01:18 PM
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Default RE: Losing alt. in turns

Something told me I was talking to someone I knew. I am fine so is my new four year old son. We still live in Galveston. Lately I have been getting into R/C boats. but I still love race planes. Any thing going on in your life ?
Old 08-10-2006, 04:52 PM
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Default RE: Losing alt. in turns

Not a lot going on here. I just got part of my left knee replaced and am trying to get it back into working shape I sold my last Nelson to Neon a few months back. I know I was never any good at 428 but I sure do miss it and my buddy Richard. I have been looking at the Wild Hare LR 1 for a while now. What do you thimk? It sure is pretty.
Dick
Old 08-10-2006, 07:14 PM
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Default RE: Losing alt. in turns

It,s a little hairy (pun intended) to land ,but then again that is my fault because i put a Super Tiger 40 in it. Its only a 30 size airplane. After a few bad landings I have the hole center of the wing covered in cabin fiber. I just got a blue anodized True Turn spinner. It looks good on the plane. Some were I have a pic. of it and my son. I guess Ricard can keep my first son company in Heaven now. I am sure there will be a day when we will meat again.
Old 08-10-2006, 07:19 PM
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Default RE: Losing alt. in turns

Here they are.
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Old 08-10-2006, 08:28 PM
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Default RE: Losing alt. in turns

Good lookin boy. The plane looks like fun too. Yea, they're not to far away.
Dick
Old 08-11-2006, 07:25 AM
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Default RE: Losing alt. in turns

It lands bad, because the landing gear are WAY too far forward. Not your fault... bad kit design.

rb
Old 08-11-2006, 10:28 AM
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Default RE: Losing alt. in turns

Thank you for the info.m I think i can fix it.
Old 08-11-2006, 11:07 AM
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Default RE: Losing alt. in turns

Can the gear be just flipped 180 degrees so they are raked backwards instead of frontwards?
Old 08-11-2006, 03:20 PM
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Default RE: Losing alt. in turns

I,l have to wait till i get home to answer that davin.
Old 08-12-2006, 09:10 AM
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Default RE: Losing alt. in turns

Sorry it took me so long to answer your question Davin . My four year old and I was at the ball game last night watching the Stros beating the Padres 4 to 2. My son got a kick out of the fire works show after the game. Anyway I looked at the landing gear closely and i don,t think it would make a difference witch way I put it. It would still be the same. Maybe if I use another set of landing gear might fix that . I.m not sure if that is the prob.

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