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RE: Central NEW YORK boaters - 5/4/2012 7:02 PM

engineman351

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I finished the deck/sponson repair on my Gas Sport Hydro this morning. I plan on reassembling tomorrow and testing on Sunday. Will anyone else be at Stony Pond on Sunday?? Roger

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RE: Central NEW YORK boaters - 5/4/2012 7:29 PM

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quote:

ORIGINAL: engineman351

I finished the deck/sponson repair on my Gas Sport Hydro this morning. I plan on reassembling tomorrow and testing on Sunday. Will anyone else be at Stony Pond on Sunday?? Roger

I'll be home on Sunday if you need someone to throw you in. I might run on Sunday also, but I do have chores to do around the house....

_____________________________

Craig Mapstone, IMPBA #20305S, Stony Pond Model Boat Club
2012 D1 20 Hydro Champion

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RE: Central NEW YORK boaters - 5/4/2012 8:07 PM

engineman351

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Craig, thanks. I may bring Dale with the Circus-Circus along to let him drive a small tunnel or mono to give him some wheel time (he has zero at this point). I have his hydro on my workbench to replace the driveline...but when I flipped the boat over I saw something that did not make sense. The sponson ride pads are angled up towards the inside center of the hull instead of being relatively 'flat' to the surface of the water. I do not think the boat will run with the sponsons like that. I am arranging for HydroJunkie to take a look at the pics as he has been involved in building one of these Dumas kits. I have also asked Dale if he still has the plans so I can review the pictures. Knowing Dumas...the plan lists seven numbered steps to build the boat...each with 20 substeps that you have to assume from the pictures. Roger

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RE: Central NEW YORK boaters - 5/4/2012 8:15 PM

Billk44

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quote:

ORIGINAL: engineman351

Craig, thanks. I may bring Dale with the Circus-Circus along to let him drive a small tunnel or mono to give him some wheel time (he has zero at this point). I have his hydro on my workbench to replace the driveline...but when I flipped the boat over I saw something that did not make sense. The sponson ride pads are angled up towards the inside center of the hull instead of being relatively 'flat' to the surface of the water. I do not think the boat will run with the sponsons like that. I am arranging for HydroJunkie to take a look at the pics as he has been involved in building one of these Dumas kits. I have also asked Dale if he still has the plans so I can review the pictures. Knowing Dumas...the plan lists seven numbered steps to build the boat...each with 20 substeps that you have to assume from the pictures. Roger

Roger,
Ride pads either flat or slightly lower on the inboard edges. My riggers all have them flat. Almost sounds like it may make it have a tendency to hook.
Bill

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RE: Central NEW YORK boaters - 5/4/2012 10:04 PM

engineman351

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Maybe this pic will show...maybe not!!! RC

http://www.rcuniverse.com/gallery/galleryItem.cfm?itemID=231368&dummy=2602.6712143969444&opener=/community/profile.cfm%3Fsection%3Dgallery%26memid%3D439560

This seems to work if you click on it!!!

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RE: Central NEW YORK boaters - 5/5/2012 12:02 AM

gassertom

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We expect to be at Stoney Pond tomorrow around 10..ish - hoping to beat the wind. If need be, we may show up again on Sunday. Bringing the 20 and 60 Monos and maybe the JAE 21.
t&c

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Tom Driver
IMPBA #6425

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RE: Central NEW YORK boaters - 5/5/2012 1:50 AM

Blackout

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quote:

ORIGINAL: engineman351

Maybe this pic will show...maybe not!!! RC

http://www.rcuniverse.com/gallery/galleryItem.cfm?itemID=231368&dummy=2602.6712143969444&opener=/community/profile.cfm%3Fsection%3Dgallery%26memid%3D439560

This seems to work if you click on it!!!

Yes, that is odd. Seems like it would not work well.

_____________________________

Craig Mapstone, IMPBA #20305S, Stony Pond Model Boat Club
2012 D1 20 Hydro Champion

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RE: Central NEW YORK boaters - 5/5/2012 3:19 AM

Hydro Junkie

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Please tell me that's not from the Circus you asked me about. If it is, it's totally wrong as the pad should have some dihedral, not anhedral and definately not that much.

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RE: Central NEW YORK boaters - 5/5/2012 6:21 AM

engineman351

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HydroJunkie, Yep...Those sponsons are what I was talking about. I will have to discuss with the owner and get him to re-do the ride pads. He really put a lot of time in the build and it seems fairly light. The OPS 80 should push it pretty well. Since it going to be apart for a while to fix the sponsons I might as well figure out how to get a 1/4 flex shaft in it too. What prop would you run?? Thanks, Roger

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RE: Central NEW YORK boaters - 5/5/2012 8:27 AM

c.k.y.

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quote:

ORIGINAL: Billk44

quote:

ORIGINAL: c.k.y.

quote:

ORIGINAL: gassertom

c.k.y.
thanks for the cool video. Very interesting to see racing in other parts of the world. We were surprised that you were able to race that close to the builiding in the background. What is the building used for? Here in U.S. we have alot or problems with noise from the boats and neighbors not wanting us to run boats due to that noise.
t&c

Hi gassertom

It is Chinese continent university city center (Science and technology is central)
In one year, hold three race
Our exhaust pipe will control , is in 80db
However crowd Like to burn the sound of cannon....Ha-Ha

CKY

Nice looking SGX. What are the pipes made of in the first picture?

Hi Billk44

First photograph is I gang helps the part that friend maintenance damages ! ( I use 03-04 thickness s/steel does )

I use copper system in 1976 ' to do (Photograph shows )

CKY

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RE: Central NEW YORK boaters - 5/5/2012 8:49 AM

c.k.y.

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quote:

ORIGINAL: engineman351

c.k.y., Great looking riggers!! The pipes look like 'Marles' style pipes. They look like they are steel...but very light gage metal. Man, 80db...thats less than a Mitsubishi Eclipse going down the freeway!! I think our rules are currently 92db at 50 feet. Our gasoline powered engines seems to be the loudest here...but usually on our meter they are at about 88db. At the pond where most of the guys on this thread race we have established a 'no engines' running rule before 10AM and after 6PM to help avoid local resident complaints. I think we are going on our 5th year at this location. So far so good!! Roger C.

Hi engineman351

What we use is European FSR rule regular 80db ,
In Hong Kong, we rent a big pond ,

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RE: Central NEW YORK boaters - 5/5/2012 12:52 PM

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For anyone who is driving a good distance and wants to pick the better day to run boats, Sunday would probably be the better day. We have some winds now, nothing major, but they are coming from the north and there is a good ripple on Stony Pond. The wind forecast for tomorrow is a little better. I'll still try to run my .12 today just because I need some more break-in. My cell is 585-350-9853 if anyone wants to call.

_____________________________

Craig Mapstone, IMPBA #20305S, Stony Pond Model Boat Club
2012 D1 20 Hydro Champion

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RE: Central NEW YORK boaters - 5/5/2012 6:31 PM

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We got Bob's 5 hp outboard on the row boat now. No more rowing! The .12 rigger still is finicky, but I have some ideas for tomorrow. Still very tight... I am tent camping tonight with my oldest son, so I may be late to the pond. I plan to be home by 10:00, but who knows... Feel free to show up as early as you guys like.

_____________________________

Craig Mapstone, IMPBA #20305S, Stony Pond Model Boat Club
2012 D1 20 Hydro Champion

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RE: Central NEW YORK boaters - 5/5/2012 7:46 PM

Billk44

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quote:

ORIGINAL: Blackout

We got Bob's 5 hp outboard on the row boat now. No more rowing! The .12 rigger still is finicky, but I have some ideas for tomorrow. Still very tight... I am tent camping tonight with my oldest son, so I may be late to the pond. I plan to be home by 10:00, but who knows... Feel free to show up as early as you guys like.

Is your pipe length OK? Not sure what you mean by finicky. I have to make at least one run up to your place.

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RE: Central NEW YORK boaters - 5/5/2012 9:17 PM

Hydro Junkie

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Roger, I'd start with an 457 or 457/3 as that size and pitch normally is a good starting point. If it appears to be dragging the transom, then the 1457 or 1457/3 would be my next step. I'll post a picture or two later from the kit literature on how the ride pads were designed so you have something to compare to as the pads should be almost rectangular in shape when looking at them from the back

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RE: Central NEW YORK boaters - 5/6/2012 1:52 AM

engineman351

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Hydro Junkie, Thanks for the input. The owner is bringing the plans to me tomorrow so we can see what Dumas actually called for on the build. I think he just plain missed the 'risers' that are used on the inside edge of the ridepads. It will probably take us a couple of weeks to rebuild the sponsons. Do you think it is necessary to use a 1/4 inch flex shaft with an OPS.80 or will the 3/16 work? Thanks, Roger C.

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RE: Central NEW YORK boaters - 5/6/2012 2:51 AM

Hydro Junkie

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I'd go 1/4 with a 1/4-3/16 step down ferrule in front of the strut with a 3/16 stub or a 1/4 flex with a step down stub shaft. I know the 3/16 shaft is heavy enough for some props but not for the larger sizes he will need for the oversized engine he's using. One other thing is with that .80, you will need to increase the prop size to a 60 or 62 mm diameter to load the engine properly

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RE: Central NEW YORK boaters - 5/6/2012 2:04 PM

Blackout

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quote:

ORIGINAL: Billk44

quote:

ORIGINAL: Blackout

We got Bob's 5 hp outboard on the row boat now. No more rowing! The .12 rigger still is finicky, but I have some ideas for tomorrow. Still very tight... I am tent camping tonight with my oldest son, so I may be late to the pond. I plan to be home by 10:00, but who knows... Feel free to show up as early as you guys like.

Is your pipe length OK? Not sure what you mean by finicky. I have to make at least one run up to your place.

Pipe length is at 7.5". Some times it will do 2 laps and some times it will only do a 1/2 lap. It runs great and then dies. It usually dies in the turns, but gets up on plane easy. The engine responds well to needle changes, so I don't think there are any air leaks. It's a brand new engine and is very tight at TDC. When clearing the engine with wd-40 at the end of the day, the piston always gets stuck at the top and I have to use a wrench to get it past TDC. This is with the plug out. I'm going to try a smaller prop today.

_____________________________

Craig Mapstone, IMPBA #20305S, Stony Pond Model Boat Club
2012 D1 20 Hydro Champion

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RE: Central NEW YORK boaters - 5/6/2012 2:13 PM

advanced builder

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I can come today I'm fished out.

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Stoney Pond Model Boat Club, Canandaigua, NY
International racer

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RE: Central NEW YORK boaters - 5/6/2012 3:00 PM

Billk44

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quote:

ORIGINAL: Blackout

quote:

ORIGINAL: Billk44

quote:

ORIGINAL: Blackout

We got Bob's 5 hp outboard on the row boat now. No more rowing! The .12 rigger still is finicky, but I have some ideas for tomorrow. Still very tight... I am tent camping tonight with my oldest son, so I may be late to the pond. I plan to be home by 10:00, but who knows... Feel free to show up as early as you guys like.

Is your pipe length OK? Not sure what you mean by finicky. I have to make at least one run up to your place.

Pipe length is at 7.5''. Some times it will do 2 laps and some times it will only do a 1/2 lap. It runs great and then dies. It usually dies in the turns, but gets up on plane easy. The engine responds well to needle changes, so I don't think there are any air leaks. It's a brand new engine and is very tight at TDC. When clearing the engine with wd-40 at the end of the day, the piston always gets stuck at the top and I have to use a wrench to get it past TDC. This is with the plug out. I'm going to try a smaller prop today.

The pipe sounds correct. Try the smaller prop to see if it stops falling off in the turns (the tail dragging does it). Smaller props at higher RPM means more speed and you will probably have to shorten the pipe. Have you checked the engine temp immediately after a run? Should be 180-200* with higher nitro loads. Nitro needs heat. Good luck - gotta luv the riggers.

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RE: Central NEW YORK boaters - 5/6/2012 3:19 PM

Canadian LoCo

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Hello all, has some of you know the D1 Championship Race will be upon us soon,
with just over a month to go, Has your D1 Director I wish to Invite you all to
this great event since the new format this race is only one time per year
this is the only time for you go get your braging rights has D1 Champion.
this years host club is Southern Tier NY Model Boat Club (Elmira NY)

I would like for you to be able to support this Great Event and all the other
regular event's in our District.

link to info
http://www.impba.net/attachments/146_ST%20NY%20D1.pdf

Regards
Luc W.
IMPBA D1 Director

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IMPBA D1 Director 2012/2013/2014

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RE: Central NEW YORK boaters - 5/7/2012 2:24 AM

Blackout

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We had a great turnout at Stony Pond today; 8 drivers! Fun time!!

My .12 rigger had one good run in the morning, it kept running until I shut it down myself. A couple times it ran a full lap and quit running right in front of the launch dock.

In the afternoon, it ran to bouy 3 and died most of the time.

I still think heat is an issue and needs to run more rich. When I was running it on the bench to get the last fuel out, I was able to richen the needle a full half turn more if I just let the engine run on the stand and build heat. So the next time I run, I will start lean on the bench, build heat and slowly richen and then throw in. These little engines are allot of work!

Zippkit riggers are tough boats. I ran it on shore with no damage, just a kicked back rudder. (The reciever battery got turned off.) Engine stayed running too.

No engine damage, but that engine loves to run on shore. I think the engine thinks it's a car motor.

_____________________________

Craig Mapstone, IMPBA #20305S, Stony Pond Model Boat Club
2012 D1 20 Hydro Champion

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RE: Central NEW YORK boaters - 5/7/2012 3:11 AM

advanced builder

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She is trouble ,like my .21 cat 1/2 a lap and stall. CK to see that the head button is laying flat. I has the casting not cut back all the way the head button wasn't sealing. A hole in my gas bag kept the gas rigger benched. 8 drivers is a record. I seen my .21 rigger do a trick ,360 and keep on going. kinda like a Frisbee throw. My rudder throw was way too much. You seen it here first!!!

_____________________________

Stoney Pond Model Boat Club, Canandaigua, NY
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RE: Central NEW YORK boaters - 5/7/2012 5:01 AM

engineman351

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Yep...pretty good day at Stony Pond. I brought six boats, ran 'em all and they all went back into the truck in one piece!! The Cobra 2 looked very stable, handled very well, and had excellent speed considering that is a legal IMPBA Sport engine. My repaired Gas Sport Hydro was very fast, but on the ragged edge as usual. Since I have the strut as low as it will go without notching the mount hole...I think I'll try rotating the turn fin back a bit more to see if I can pull the front down. It looked like it was planing on the turn fin as the boat accelerated out of the corners. The JAE.12 (OS TZ.12) was pretty fast but was very difficult to get the needle dialed in. My son Tom thinks it's the K&B carb. I have an OS carb from an OS18 that I will give a try. Roger

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RE: Central NEW YORK boaters - 5/7/2012 1:32 PM

Billk44

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quote:

ORIGINAL: engineman351

Yep...pretty good day at Stony Pond. I brought six boats, ran 'em all and they all went back into the truck in one piece!! The Cobra 2 looked very stable, handled very well, and had excellent speed considering that is a legal IMPBA Sport engine. My repaired Gas Sport Hydro was very fast, but on the ragged edge as usual. Since I have the strut as low as it will go without notching the mount hole...I think I'll try rotating the turn fin back a bit more to see if I can pull the front down. It looked like it was planing on the turn fin as the boat accelerated out of the corners. The JAE.12 (OS TZ.12) was pretty fast but was very difficult to get the needle dialed in. My son Tom thinks it's the K&B carb. I have an OS carb from an OS18 that I will give a try. Roger

If the hydro was planning on the fin and it was not very windy, rotate the fin back a smidge (technical term....) until it tightens up. Otherwise it will be back on the bench for the same reasons. Make sure the fin is very sharp or the same thing can happen. Ask me how I know.

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