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Search: Posts Made By: MarkPrima
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Forum: RC Airboats
03-07-2017, 03:21 AM
Replies: 8
Views: 1,468
Posted By MarkPrima

Yes here are my build photos. It is shaped out of...

Yes here are my build photos. It is shaped out of pink insulation and then sheeted with oak veneer.


http://www.rcuniverse.com/forum/attachment.php?attachmentid=2204285...
Forum: RC Airboats
03-06-2017, 01:01 PM
Replies: 8
Views: 1,468
Posted By MarkPrima

Thanks, I may redesign my next air boat and have...

Thanks, I may redesign my next air boat and have the fuel tank behind the motor as you mentioned. But I do like the looks of having the fuel tank below.
Forum: RC Airboats
03-06-2017, 06:57 AM
Replies: 8
Views: 1,468
Posted By MarkPrima

Question Gas tank position - below motor??

Hello,

I'm really confused with this issue. I just built a small airboat with a OS MAX 25FP and I mounted the gas tank (6oz.) below the motor but I am having trouble with the fuel siphoning and...
Forum: RC Airboats
05-15-2016, 10:36 AM
Replies: 50
Views: 5,051
Posted By MarkPrima

NEW222 - Sorry to hear about your computer - I am...

NEW222 - Sorry to hear about your computer - I am looking forward to your updates.
Forum: RC Airboats
03-31-2016, 10:09 AM
Replies: 9
Views: 4,883
Posted By MarkPrima

Cool Cajun Gator Airboat Plans

I updated the Cajun Gator Airboat Plans with a center line on ribs (1-3). I've seen these plans in other posts so I took the image files of the plans and did some work with them in Corel Draw.
The...
Forum: RC Airboats
03-31-2016, 09:51 AM
Replies: 9
Views: 4,883
Posted By MarkPrima

For the plans above what motor size is being...

For the plans above what motor size is being used?
Thanks :)
Forum: RC Airboats
03-31-2016, 05:34 AM
Replies: 50
Views: 5,051
Posted By MarkPrima

Great work!! I'll follow your build.

Great work!! I'll follow your build.
Forum: RC Airboats
01-21-2016, 04:26 AM
Replies: 38
Views: 4,073
Posted By MarkPrima

Thanks arcdude for the info about the switch, I...

Thanks arcdude for the info about the switch, I just made an order but I'll put that on the list for my second order. Clever about the tampon, we use something similar in the lab when making...
Forum: RC Airboats
01-20-2016, 10:19 AM
Replies: 38
Views: 4,073
Posted By MarkPrima

I had the same problem when I had to laminate...

I had the same problem when I had to laminate balsa to make the fuselage for the Telemaster.

How do you guys with airboats do RX switches? On the planes I use a simple switch to turn off RX.
OR...
Forum: RC Airboats
01-18-2016, 03:32 AM
Replies: 38
Views: 4,073
Posted By MarkPrima

Wink Airboat build

Thanks for that update - I was wondering what that was.

Here are a few shots on what I did this weekend.
I lined the interior of the RX opening in 1/16" ply - I made a hole for the RX battery to...
Forum: RC Airboats
01-17-2016, 06:42 AM
Replies: 38
Views: 4,073
Posted By MarkPrima

Very good! Here is the start of hull...

Very good!

Here is the start of hull shaping, I recessed the stern area for the motor mount. I am thinking my motor mount is over-kill and too big, I'll post a pic after the paint dries on it.
...
Forum: RC Airboats
01-17-2016, 02:35 AM
Replies: 38
Views: 4,073
Posted By MarkPrima

arcdude - thanks for the advice on the glue - I...

arcdude - thanks for the advice on the glue - I worked at it last night. I'll post some photos today.

Very slick design on your motor mount!!
Forum: RC Airboats
01-17-2016, 02:33 AM
Replies: 38
Views: 4,073
Posted By MarkPrima

1QwkSport2.5r - wow your airboat runs well on...

1QwkSport2.5r - wow your airboat runs well on grass! The 4-stroke has such a nice sound to it. Was there any major scuffs on the underside from running on grass?
Forum: RC Airboats
01-16-2016, 11:42 AM
Replies: 38
Views: 4,073
Posted By MarkPrima

Well, I haven't tried the yellow Monokote one...

Well, I haven't tried the yellow Monokote one yet, still looking for props - not a fan of prop-saver motors.
For the foam one that I am now making I think I'll use the couple coats of epoxy or 1-2...
Forum: RC Airboats
01-16-2016, 03:41 AM
Replies: 38
Views: 4,073
Posted By MarkPrima

For some reason it posted my Reply Twice?

For some reason it posted my Reply Twice?
Forum: RC Airboats
01-16-2016, 03:28 AM
Replies: 38
Views: 4,073
Posted By MarkPrima

Thanks arcdude, yes you are right the bow tends...

Thanks arcdude, yes you are right the bow tends to plow into the water at mid throttle but planes out at high throttle, but does well quite well in the snow. I would have to say the rudder is not...
Forum: RC Airboats
01-15-2016, 11:20 AM
Replies: 38
Views: 4,073
Posted By MarkPrima

Great points!!!!! Now going to digest this...

Great points!!!!!

Now going to digest this info...

I wanted to share this with you guys:

Here is my first prototype that I linked to in the above link at the start of this thread - runs...
Forum: RC Airboats
01-15-2016, 07:27 AM
Replies: 38
Views: 4,073
Posted By MarkPrima

Good day 1QwkSport2.5r and arcdude, Wow,...

Good day 1QwkSport2.5r and arcdude,

Wow, what great information and thanks :cool:
I'm just posting a quick reply until I fully read the thread links you sent.

As a starting point for my OS .25...
Forum: RC Airboats
01-14-2016, 03:14 AM
Replies: 38
Views: 4,073
Posted By MarkPrima

Thanks guys for the reply. No worries arcdude, I...

Thanks guys for the reply. No worries arcdude, I understand. Oh Ottawa, I did a 9 month contract in Ottawa many years ago for NRCan (Booth St.), it was great fun being in Ottawa. I lived in the Glebe...
Forum: RC Airboats
01-13-2016, 01:30 PM
Replies: 38
Views: 4,073
Posted By MarkPrima

Hi arcdude, thanks for the feedbac/posting! Snow...

Hi arcdude, thanks for the feedbac/posting! Snow is a way of life up here, but can be fun.

My first prototype (snow-water-bug-prototype-and-plans...
Forum: RC Airboats
01-13-2016, 08:41 AM
Replies: 38
Views: 4,073
Posted By MarkPrima

Oh OK, sounds good. :)

Oh OK, sounds good.

:)
Forum: RC Airboats
01-13-2016, 07:43 AM
Replies: 38
Views: 4,073
Posted By MarkPrima

Thumbs up Definately willing to build, planning this to be...

Definately willing to build, planning this to be my winter build project.

Thanks for the link to the specific thread, helped alot and now starting to feel that things are falling into place. ...
Forum: RC Airboats
01-13-2016, 06:25 AM
Replies: 38
Views: 4,073
Posted By MarkPrima

Hi 1QwkSport2.5r, I'd prefer flat bottom so...

Hi 1QwkSport2.5r,

I'd prefer flat bottom so that I can use it on snow, our winters are very long up here and need something to use in the snow :) but a hydrofoil design sounds interesting.

My...
Forum: RC Airboats
01-13-2016, 05:04 AM
Replies: 38
Views: 4,073
Posted By MarkPrima

Question Need help with dimensions for OS .25 glow engine

Hello everyone,
This is my first post on RCU. I have been searching this section of RCU for built plans and need some help coming up with dimensions for an airboat I would like to build. I plan on...
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