prop info needed, 10' tunnel hull

[rev.ronnie]

I had my tunnel out today ( the Catch 10 I bought from VW freak) and I need more prop. It's a 10' boat with a stock XD25 Merc. I've got the motor up to where the prop shaft is about an inch below the tunnel. I have a stock 13p merc prop on it now and it is a bit hard to get on plane when trimmed up (It really cavitates till you get rolling) and is really spun out at top speed. The whole rig is around 500# with driver. The boat is essentially the same as a Mini GT rig, but I want to run a stainless prop if I can find one. If I do race it, it will be with a alum. prop.

I would guess the thing to run about 40 now, with ease, like there is no load on the motor. It just doesn't pick up enough speed to air out. It actually runs faster into the wind, in chop.

Any help or info on reputable prop suppliers would help. I sell Mich. and Ballistic, but that's it. I would really like a race type prop.

Thanks, Ron

I'll try to put up a pic, all I have is one I got from Scott, who I bought the boat from. You get the idea what it looks like.

[vwfreak]

Good to hear you had it out! I'm sure you'll have a lot of fun with it. I sure did!
I'm still working on getting the Mirage together, but hope to get it in the water very soon. (need an OMC race type trim system still & that's all)
Wow, do I ever miss that little tunnel hull. I'm sure that will lessen once the new tunnel is together.
You can see now why I wanted to put a 40hp on it. It wants to go faster. :D
I have tons of pics, here's a few of the hull in closer detail.

vwfreak,

[vwfreak]

Get used to getting pointed at, and waving back to everyone.
Small price to pay for a toy as cool as this one. ;)
Here's a few more pics for you.

vwfreak,

[rev.ronnie]

Yeah, I did get a lot of that!! Especially people in pontoons, and kids in fishing boats!

[150aintenuff]

mercury makes a chopper that fits the 25 and that is what you need to make thaT run good...

[rev.ronnie]

Cool, I'll look into it. Thats really what I want for bow lift too. Thanks

[1BadAction]

ron, I had one of those little choppers, the smallest they make is an 18 pitch. with that style hull, you should be able to spin it 6000. the flat bottom aluminum boat that I put it on was downright scary at anything more than 3/4 throttle. :eek:

[rev.ronnie]

...... boat that I put it on was downright scary at anything more than 3/4 throttle. :eek:

Thats the prop I'm looking for!! :D :D

[LikwidCourage]

That seems like a lot of prop for a 25HP. I ran one on a Voodoo with a 50 Yammy, I guess it depends on gearing and hull weight. That would be scary fun, if it makes plane, especially with no trim.

[rev.ronnie]

I had it out again today with a 14 1/2 pitch Michigan prop. It's hard to get on plane at full trim, but it's picking up speed and starting to actually load the motor. I put a whoopin' on a Checkmate with a 115 :D

I'm going to have a friend who owns a prop shop dump all the pitch and cup into it he can.

[vwfreak]

[QUOTE=rev.ronnie]I had it out again today with a 14 1/2 pitch Michigan I put a whoopin' on a Checkmate with a 115 :D QUOTE]

Nice!
I really glad to see that you're enjoying my old hull, and more importantly.
You're making her faster! ;)

All going well, I should be getting the Mirage in the water this weekend!
*There's a few guys on my lake that I'll be looking to give a little pay back, this year too* ;)

vwfreak,

NO PICS YET?

[FrenchPhil]

Send an email to Ole terjesen, in Norway in the eighties he'd run in the 80's (kph) 50 mph + in a similar setup :

[email protected]

[LakeRaider]

Hard to find for small motors. I just got a Ballistic 10-1/8 x 15 for my 35 merc on my 10 ft centurian tunnel. Got it from Gary at www.deltaprop.com Going to try it Tuesday. About $270 with tax. LakeRaider

[David]

Advertise in ABPA propeller or find some racers or ex racers

I got this advice years ago and it worked for me.

[YELLOWSS]

ron makes all kind of props.
all race he has a ton of molds for little props
look on ebay under ron hill or mercury racing you will find all kind of little props
i have seen like 10 pitch in four blade chopper style.
some of his big chopper are not all that great but his little stuff rocks from what i have heard.
roy

[rev.ronnie]

ron makes all kind of props.
all race he has a ton of molds for little props
look on ebay under ron hill or mercury racing you will find all kind of little props
i have seen like 10 pitch in four blade chopper style.
some of his big chopper are not all that great but his little stuff rocks from what i have heard.
roy

I emailed Ron Hill a couple of weeks ago through ebay. I was real specific about what I had, and wanted. All I got back from him was " I am introducing new things all the time, check back with my ebay auctions"

I don't even think he even read my email, and just sent me a "form reply"

[vwfreak]

Ron,

Try looking up T.O.R.C (Toronto Outboard Racing Club). You can get to them through a link on the Fralick Boats site (also based in Toronto).

These guys race anything from the 15A Evinrudes, up to the beautiful MERC 44XS on the larger hulls. (I want one of those!) :cool:
Check them out. If you find somthing local to me, I'd be happy to help you out. Shipping, etc... ;)

vwfreak,

[vwfreak]

Have you taken any pics of the Catch10 in action yet?
I'd love to see some. :D

vwfreak,

*Here's a few pictures of my Mirage. It's still in the set up stages, but into the low 60's now, and still tinkering* ;)

[Fast Fred]

Looks like that Stinger needs to be jacked up, a bunch :cool: :eek:

[vwfreak]

Looks like that Stinger needs to be jacked up, a bunch :cool: :eek:

Already taken care of ;) .
These are a few pics from my first set up attempt. (motor was way too low!)
It's back at the height it's supposed to be now, and the speeds reflect that too. :cool:

vwfreak,

[Fast Fred]

hows it go? when you get at the right hight, she mite start to pull air in the top two holes of the L/U, you can close them off, keep an eye on it. :cool: :eek:

[vwfreak]

hows it go? when you get at the right hight, she mite start to pull air in the top two holes of the L/U, you can close them off, keep an eye on it. :cool: :eek:


I did that first, well before the boat or motor ever saw the water, just to be on the safe side. ;)
I miss my old little toy, but this new hull has helped to ease the pain. :D
It packs air nicely now at the new engine height. I need a slightly smaller diameter prop, to get up to speed faster, but once it gets rolling. wow! :eek:
I have some more recent pics, but have to resize them.

vwfreak,

[vwfreak]

Hi Ron,

How's the Catch 10's modfications been comming along?
Still waiting for some pictures of it at its new home. Please post a few when you get a chance.

Thanks,

vwfreak,

[hsbob]

as said earlier there is a 17-19" ss merc prop for that motor. it was about $350 in the late 80s. i had a glen-l tunnel with the 25hd and the motor really screamed with the 13 al but only got 40mph.

[rock]

Nice boats. I am new to these small rigs and I need some advice. I have a 10' Convincer that I have mounted an old 3 cyl. Merc 70 on. The boat has a jackplate with about 6" backset. I know how to set up a pad boat and a mod vp style bottom but a true tunnel is new to me. I have the prop shaft about even with the sponsons. How many holes can I block off and still get sufficient water supply? Is the motor too high? Thanks
Rock

[Fast Fred]

top two, top two only, :eek: :cool: or top 1/2 :eek: